diff --git a/CODEOWNERS b/CODEOWNERS
index 09ded23b9bb..e247e4e22e9 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -242,6 +242,8 @@ build.json @home-assistant/supervisor
 /tests/components/bosch_alarm/ @mag1024 @sanjay900
 /homeassistant/components/bosch_shc/ @tschamm
 /tests/components/bosch_shc/ @tschamm
+/homeassistant/components/brands/ @home-assistant/core
+/tests/components/brands/ @home-assistant/core
 /homeassistant/components/braviatv/ @bieniu @Drafteed
 /tests/components/braviatv/ @bieniu @Drafteed
 /homeassistant/components/bring/ @miaucl @tr4nt0r
diff --git a/homeassistant/bootstrap.py b/homeassistant/bootstrap.py
index c7347780b9e..6024af08493 100644
--- a/homeassistant/bootstrap.py
+++ b/homeassistant/bootstrap.py
@@ -210,6 +210,7 @@ DEFAULT_INTEGRATIONS = {
     "analytics",  # Needed for onboarding
     "application_credentials",
     "backup",
+    "brands",
     "frontend",
     "hardware",
     "labs",
diff --git a/homeassistant/components/brands/__init__.py b/homeassistant/components/brands/__init__.py
new file mode 100644
index 00000000000..0cfe254904f
--- /dev/null
+++ b/homeassistant/components/brands/__init__.py
@@ -0,0 +1,291 @@
+"""The Brands integration."""
+
+from __future__ import annotations
+
+from collections import deque
+from http import HTTPStatus
+import logging
+from pathlib import Path
+from random import SystemRandom
+import time
+from typing import Any, Final
+
+from aiohttp import ClientError, hdrs, web
+import voluptuous as vol
+
+from homeassistant.components import websocket_api
+from homeassistant.components.http import KEY_AUTHENTICATED, HomeAssistantView
+from homeassistant.core import HomeAssistant, callback, valid_domain
+from homeassistant.helpers import config_validation as cv
+from homeassistant.helpers.aiohttp_client import async_get_clientsession
+from homeassistant.helpers.event import async_track_time_interval
+from homeassistant.helpers.typing import ConfigType
+from homeassistant.loader import async_get_custom_components
+
+from .const import (
+    ALLOWED_IMAGES,
+    BRANDS_CDN_URL,
+    CACHE_TTL,
+    CATEGORY_RE,
+    CDN_TIMEOUT,
+    DOMAIN,
+    HARDWARE_IMAGE_RE,
+    IMAGE_FALLBACKS,
+    PLACEHOLDER,
+    TOKEN_CHANGE_INTERVAL,
+)
+
+_LOGGER = logging.getLogger(__name__)
+_RND: Final = SystemRandom()
+
+CONFIG_SCHEMA = cv.empty_config_schema(DOMAIN)
+
+
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
+    """Set up the Brands integration."""
+    access_tokens: deque[str] = deque([], 2)
+    access_tokens.append(hex(_RND.getrandbits(256))[2:])
+    hass.data[DOMAIN] = access_tokens
+
+    @callback
+    def _rotate_token(_now: Any) -> None:
+        """Rotate the access token."""
+        access_tokens.append(hex(_RND.getrandbits(256))[2:])
+
+    async_track_time_interval(hass, _rotate_token, TOKEN_CHANGE_INTERVAL)
+
+    hass.http.register_view(BrandsIntegrationView(hass))
+    hass.http.register_view(BrandsHardwareView(hass))
+    websocket_api.async_register_command(hass, ws_access_token)
+    return True
+
+
+@callback
+@websocket_api.websocket_command({vol.Required("type"): "brands/access_token"})
+def ws_access_token(
+    hass: HomeAssistant,
+    connection: websocket_api.ActiveConnection,
+    msg: dict[str, Any],
+) -> None:
+    """Return the current brands access token."""
+    access_tokens: deque[str] = hass.data[DOMAIN]
+    connection.send_result(msg["id"], {"token": access_tokens[-1]})
+
+
+def _read_cached_file_with_marker(
+    cache_path: Path,
+) -> tuple[bytes | None, float] | None:
+    """Read a cached file, distinguishing between content and 404 markers.
+
+    Returns (content, mtime) where content is None for 404 markers (empty files).
+    Returns None if the file does not exist at all.
+    """
+    if not cache_path.is_file():
+        return None
+    mtime = cache_path.stat().st_mtime
+    data = cache_path.read_bytes()
+    if not data:
+        # Empty file is a 404 marker
+        return (None, mtime)
+    return (data, mtime)
+
+
+def _write_cache_file(cache_path: Path, data: bytes) -> None:
+    """Write data to cache file, creating directories as needed."""
+    cache_path.parent.mkdir(parents=True, exist_ok=True)
+    cache_path.write_bytes(data)
+
+
+def _read_brand_file(brand_dir: Path, image: str) -> bytes | None:
+    """Read a brand image, trying fallbacks in a single I/O pass."""
+    for candidate in (image, *IMAGE_FALLBACKS.get(image, ())):
+        file_path = brand_dir / candidate
+        if file_path.is_file():
+            return file_path.read_bytes()
+    return None
+
+
+class _BrandsBaseView(HomeAssistantView):
+    """Base view for serving brand images."""
+
+    requires_auth = False
+
+    def __init__(self, hass: HomeAssistant) -> None:
+        """Initialize the view."""
+        self._hass = hass
+        self._cache_dir = Path(hass.config.cache_path(DOMAIN))
+
+    def _authenticate(self, request: web.Request) -> None:
+        """Authenticate the request using Bearer token or query token."""
+        access_tokens: deque[str] = self._hass.data[DOMAIN]
+        authenticated = (
+            request[KEY_AUTHENTICATED] or request.query.get("token") in access_tokens
+        )
+        if not authenticated:
+            if hdrs.AUTHORIZATION in request.headers:
+                raise web.HTTPUnauthorized
+            raise web.HTTPForbidden
+
+    async def _serve_from_custom_integration(
+        self,
+        domain: str,
+        image: str,
+    ) -> web.Response | None:
+        """Try to serve a brand image from a custom integration."""
+        custom_components = await async_get_custom_components(self._hass)
+        if (integration := custom_components.get(domain)) is None:
+            return None
+        if not integration.has_branding:
+            return None
+
+        brand_dir = Path(integration.file_path) / "brand"
+
+        data = await self._hass.async_add_executor_job(
+            _read_brand_file, brand_dir, image
+        )
+        if data is not None:
+            return self._build_response(data)
+
+        return None
+
+    async def _serve_from_cache_or_cdn(
+        self,
+        cdn_path: str,
+        cache_subpath: str,
+        *,
+        fallback_placeholder: bool = True,
+    ) -> web.Response:
+        """Serve from disk cache, fetching from CDN if needed."""
+        cache_path = self._cache_dir / cache_subpath
+        now = time.time()
+
+        # Try disk cache
+        result = await self._hass.async_add_executor_job(
+            _read_cached_file_with_marker, cache_path
+        )
+        if result is not None:
+            data, mtime = result
+            # Schedule background refresh if stale
+            if now - mtime > CACHE_TTL:
+                self._hass.async_create_background_task(
+                    self._fetch_and_cache(cdn_path, cache_path),
+                    f"brands_refresh_{cache_subpath}",
+                )
+        else:
+            # Cache miss - fetch from CDN
+            data = await self._fetch_and_cache(cdn_path, cache_path)
+
+        if data is None:
+            if fallback_placeholder:
+                return await self._serve_placeholder(
+                    image=cache_subpath.rsplit("/", 1)[-1]
+                )
+            return web.Response(status=HTTPStatus.NOT_FOUND)
+        return self._build_response(data)
+
+    async def _fetch_and_cache(
+        self,
+        cdn_path: str,
+        cache_path: Path,
+    ) -> bytes | None:
+        """Fetch from CDN and write to cache. Returns data or None on 404."""
+        url = f"{BRANDS_CDN_URL}/{cdn_path}"
+        session = async_get_clientsession(self._hass)
+        try:
+            resp = await session.get(url, timeout=CDN_TIMEOUT)
+        except ClientError, TimeoutError:
+            _LOGGER.debug("Failed to fetch brand from CDN: %s", cdn_path)
+            return None
+
+        if resp.status == HTTPStatus.NOT_FOUND:
+            # Cache the 404 as empty file
+            await self._hass.async_add_executor_job(_write_cache_file, cache_path, b"")
+            return None
+
+        if resp.status != HTTPStatus.OK:
+            _LOGGER.debug("Unexpected CDN response %s for %s", resp.status, cdn_path)
+            return None
+
+        data = await resp.read()
+        await self._hass.async_add_executor_job(_write_cache_file, cache_path, data)
+        return data
+
+    async def _serve_placeholder(self, image: str) -> web.Response:
+        """Serve a placeholder image."""
+        return await self._serve_from_cache_or_cdn(
+            cdn_path=f"_/{PLACEHOLDER}/{image}",
+            cache_subpath=f"integrations/{PLACEHOLDER}/{image}",
+            fallback_placeholder=False,
+        )
+
+    @staticmethod
+    def _build_response(data: bytes) -> web.Response:
+        """Build a response with proper headers."""
+        return web.Response(
+            body=data,
+            content_type="image/png",
+        )
+
+
+class BrandsIntegrationView(_BrandsBaseView):
+    """Serve integration brand images."""
+
+    name = "api:brands:integration"
+    url = "/api/brands/integration/{domain}/{image}"
+
+    async def get(
+        self,
+        request: web.Request,
+        domain: str,
+        image: str,
+    ) -> web.Response:
+        """Handle GET request for an integration brand image."""
+        self._authenticate(request)
+
+        if not valid_domain(domain) or image not in ALLOWED_IMAGES:
+            return web.Response(status=HTTPStatus.NOT_FOUND)
+
+        use_placeholder = request.query.get("placeholder") != "no"
+
+        # 1. Try custom integration local files
+        if (
+            response := await self._serve_from_custom_integration(domain, image)
+        ) is not None:
+            return response
+
+        # 2. Try cache / CDN (always use direct path for proper 404 caching)
+        return await self._serve_from_cache_or_cdn(
+            cdn_path=f"brands/{domain}/{image}",
+            cache_subpath=f"integrations/{domain}/{image}",
+            fallback_placeholder=use_placeholder,
+        )
+
+
+class BrandsHardwareView(_BrandsBaseView):
+    """Serve hardware brand images."""
+
+    name = "api:brands:hardware"
+    url = "/api/brands/hardware/{category}/{image:.+}"
+
+    async def get(
+        self,
+        request: web.Request,
+        category: str,
+        image: str,
+    ) -> web.Response:
+        """Handle GET request for a hardware brand image."""
+        self._authenticate(request)
+
+        if not CATEGORY_RE.match(category):
+            return web.Response(status=HTTPStatus.NOT_FOUND)
+        # Hardware images have dynamic names like "manufacturer_model.png"
+        # Validate it ends with .png and contains only safe characters
+        if not HARDWARE_IMAGE_RE.match(image):
+            return web.Response(status=HTTPStatus.NOT_FOUND)
+
+        cache_subpath = f"hardware/{category}/{image}"
+
+        return await self._serve_from_cache_or_cdn(
+            cdn_path=cache_subpath,
+            cache_subpath=cache_subpath,
+        )
diff --git a/homeassistant/components/brands/const.py b/homeassistant/components/brands/const.py
new file mode 100644
index 00000000000..fd2c9672a9e
--- /dev/null
+++ b/homeassistant/components/brands/const.py
@@ -0,0 +1,57 @@
+"""Constants for the Brands integration."""
+
+from __future__ import annotations
+
+from datetime import timedelta
+import re
+from typing import Final
+
+from aiohttp import ClientTimeout
+
+DOMAIN: Final = "brands"
+
+# CDN
+BRANDS_CDN_URL: Final = "https://brands.home-assistant.io"
+CDN_TIMEOUT: Final = ClientTimeout(total=10)
+PLACEHOLDER: Final = "_placeholder"
+
+# Caching
+CACHE_TTL: Final = 30 * 24 * 60 * 60  # 30 days in seconds
+
+# Access token
+TOKEN_CHANGE_INTERVAL: Final = timedelta(minutes=30)
+
+# Validation
+CATEGORY_RE: Final = re.compile(r"^[a-z0-9_]+$")
+HARDWARE_IMAGE_RE: Final = re.compile(r"^[a-z0-9_-]+\.png$")
+
+# Images and fallback chains
+ALLOWED_IMAGES: Final = frozenset(
+    {
+        "icon.png",
+        "logo.png",
+        "icon@2x.png",
+        "logo@2x.png",
+        "dark_icon.png",
+        "dark_logo.png",
+        "dark_icon@2x.png",
+        "dark_logo@2x.png",
+    }
+)
+
+# Fallback chains for image resolution, mirroring the brands CDN build logic.
+# When a requested image is not found, we try each fallback in order.
+IMAGE_FALLBACKS: Final[dict[str, list[str]]] = {
+    "logo.png": ["icon.png"],
+    "icon@2x.png": ["icon.png"],
+    "logo@2x.png": ["logo.png", "icon.png"],
+    "dark_icon.png": ["icon.png"],
+    "dark_logo.png": ["dark_icon.png", "logo.png", "icon.png"],
+    "dark_icon@2x.png": ["icon@2x.png", "icon.png"],
+    "dark_logo@2x.png": [
+        "dark_icon@2x.png",
+        "logo@2x.png",
+        "logo.png",
+        "icon.png",
+    ],
+}
diff --git a/homeassistant/components/brands/manifest.json b/homeassistant/components/brands/manifest.json
new file mode 100644
index 00000000000..ad3bbbf8da7
--- /dev/null
+++ b/homeassistant/components/brands/manifest.json
@@ -0,0 +1,10 @@
+{
+  "domain": "brands",
+  "name": "Brands",
+  "codeowners": ["@home-assistant/core"],
+  "config_flow": false,
+  "dependencies": ["http", "websocket_api"],
+  "documentation": "https://www.home-assistant.io/integrations/brands",
+  "integration_type": "system",
+  "quality_scale": "internal"
+}
diff --git a/homeassistant/components/cambridge_audio/media_browser.py b/homeassistant/components/cambridge_audio/media_browser.py
index efe55ee792e..a9fa28bd554 100644
--- a/homeassistant/components/cambridge_audio/media_browser.py
+++ b/homeassistant/components/cambridge_audio/media_browser.py
@@ -38,7 +38,7 @@ async def _root_payload(
                 media_class=MediaClass.DIRECTORY,
                 media_content_id="",
                 media_content_type="presets",
-                thumbnail="https://brands.home-assistant.io/_/cambridge_audio/logo.png",
+                thumbnail="/api/brands/integration/cambridge_audio/logo.png",
                 can_play=False,
                 can_expand=True,
             )
diff --git a/homeassistant/components/forked_daapd/browse_media.py b/homeassistant/components/forked_daapd/browse_media.py
index 35ad0ed49b0..e6918f9e5d6 100644
--- a/homeassistant/components/forked_daapd/browse_media.py
+++ b/homeassistant/components/forked_daapd/browse_media.py
@@ -304,7 +304,7 @@ def base_owntone_library() -> BrowseMedia:
         can_play=False,
         can_expand=True,
         children=children,
-        thumbnail="https://brands.home-assistant.io/_/forked_daapd/logo.png",
+        thumbnail="/api/brands/integration/forked_daapd/logo.png",
     )
 
 
@@ -321,7 +321,7 @@ def library(other: Sequence[BrowseMedia] | None) -> BrowseMedia:
             media_content_type=MediaType.APP,
             can_play=False,
             can_expand=True,
-            thumbnail="https://brands.home-assistant.io/_/forked_daapd/logo.png",
+            thumbnail="/api/brands/integration/forked_daapd/logo.png",
         )
     ]
     if other:
diff --git a/homeassistant/components/hassio/update.py b/homeassistant/components/hassio/update.py
index 8bf2ee988e7..5354f21e726 100644
--- a/homeassistant/components/hassio/update.py
+++ b/homeassistant/components/hassio/update.py
@@ -207,7 +207,7 @@ class SupervisorOSUpdateEntity(HassioOSEntity, UpdateEntity):
     @property
     def entity_picture(self) -> str | None:
         """Return the icon of the entity."""
-        return "https://brands.home-assistant.io/homeassistant/icon.png"
+        return "/api/brands/integration/homeassistant/icon.png?placeholder=no"
 
     @property
     def release_url(self) -> str | None:
@@ -258,7 +258,7 @@ class SupervisorSupervisorUpdateEntity(HassioSupervisorEntity, UpdateEntity):
     @property
     def entity_picture(self) -> str | None:
         """Return the icon of the entity."""
-        return "https://brands.home-assistant.io/hassio/icon.png"
+        return "/api/brands/integration/hassio/icon.png?placeholder=no"
 
     async def async_install(
         self, version: str | None, backup: bool, **kwargs: Any
@@ -296,7 +296,7 @@ class SupervisorCoreUpdateEntity(HassioCoreEntity, UpdateEntity):
     @property
     def entity_picture(self) -> str | None:
         """Return the icon of the entity."""
-        return "https://brands.home-assistant.io/homeassistant/icon.png"
+        return "/api/brands/integration/homeassistant/icon.png?placeholder=no"
 
     @property
     def release_url(self) -> str | None:
diff --git a/homeassistant/components/kodi/browse_media.py b/homeassistant/components/kodi/browse_media.py
index b62379aaa25..aa98ca7e8be 100644
--- a/homeassistant/components/kodi/browse_media.py
+++ b/homeassistant/components/kodi/browse_media.py
@@ -219,7 +219,7 @@ async def library_payload(hass):
     )
 
     for child in library_info.children:
-        child.thumbnail = "https://brands.home-assistant.io/_/kodi/logo.png"
+        child.thumbnail = "/api/brands/integration/kodi/logo.png"
 
     with contextlib.suppress(BrowseError):
         item = await media_source.async_browse_media(
diff --git a/homeassistant/components/lovelace/cast.py b/homeassistant/components/lovelace/cast.py
index 85c10e76cde..a0e6185b06f 100644
--- a/homeassistant/components/lovelace/cast.py
+++ b/homeassistant/components/lovelace/cast.py
@@ -42,7 +42,7 @@ async def async_get_media_browser_root_object(
             media_class=MediaClass.APP,
             media_content_id="",
             media_content_type=DOMAIN,
-            thumbnail="https://brands.home-assistant.io/_/lovelace/logo.png",
+            thumbnail="/api/brands/integration/lovelace/logo.png",
             can_play=False,
             can_expand=True,
         )
@@ -72,7 +72,7 @@ async def async_browse_media(
                 media_class=MediaClass.APP,
                 media_content_id=DEFAULT_DASHBOARD,
                 media_content_type=DOMAIN,
-                thumbnail="https://brands.home-assistant.io/_/lovelace/logo.png",
+                thumbnail="/api/brands/integration/lovelace/logo.png",
                 can_play=True,
                 can_expand=False,
             )
@@ -104,7 +104,7 @@ async def async_browse_media(
                 media_class=MediaClass.APP,
                 media_content_id=f"{info['url_path']}/{view['path']}",
                 media_content_type=DOMAIN,
-                thumbnail="https://brands.home-assistant.io/_/lovelace/logo.png",
+                thumbnail="/api/brands/integration/lovelace/logo.png",
                 can_play=True,
                 can_expand=False,
             )
@@ -213,7 +213,7 @@ def _item_from_info(info: dict) -> BrowseMedia:
         media_class=MediaClass.APP,
         media_content_id=info["url_path"],
         media_content_type=DOMAIN,
-        thumbnail="https://brands.home-assistant.io/_/lovelace/logo.png",
+        thumbnail="/api/brands/integration/lovelace/logo.png",
         can_play=True,
         can_expand=len(info["views"]) > 1,
     )
diff --git a/homeassistant/components/media_source/models.py b/homeassistant/components/media_source/models.py
index ac633e8753d..3e43b6008b1 100644
--- a/homeassistant/components/media_source/models.py
+++ b/homeassistant/components/media_source/models.py
@@ -83,7 +83,7 @@ class MediaSourceItem:
                         identifier=None,
                         media_class=MediaClass.APP,
                         media_content_type=MediaType.APP,
-                        thumbnail=f"https://brands.home-assistant.io/_/{source.domain}/logo.png",
+                        thumbnail=f"/api/brands/integration/{source.domain}/logo.png",
                         title=source.name,
                         can_play=False,
                         can_expand=True,
diff --git a/homeassistant/components/plex/cast.py b/homeassistant/components/plex/cast.py
index bf68be20292..b95e836329a 100644
--- a/homeassistant/components/plex/cast.py
+++ b/homeassistant/components/plex/cast.py
@@ -23,7 +23,7 @@ async def async_get_media_browser_root_object(
             media_class=MediaClass.APP,
             media_content_id="",
             media_content_type="plex",
-            thumbnail="https://brands.home-assistant.io/_/plex/logo.png",
+            thumbnail="/api/brands/integration/plex/logo.png",
             can_play=False,
             can_expand=True,
         )
diff --git a/homeassistant/components/plex/media_browser.py b/homeassistant/components/plex/media_browser.py
index 87e9f47af66..74beee479f0 100644
--- a/homeassistant/components/plex/media_browser.py
+++ b/homeassistant/components/plex/media_browser.py
@@ -94,7 +94,7 @@ def browse_media(  # noqa: C901
             can_expand=True,
             children=[],
             children_media_class=MediaClass.DIRECTORY,
-            thumbnail="https://brands.home-assistant.io/_/plex/logo.png",
+            thumbnail="/api/brands/integration/plex/logo.png",
         )
         if platform != "sonos":
             server_info.children.append(
diff --git a/homeassistant/components/roku/browse_media.py b/homeassistant/components/roku/browse_media.py
index 5387963727d..80fcd0c8901 100644
--- a/homeassistant/components/roku/browse_media.py
+++ b/homeassistant/components/roku/browse_media.py
@@ -131,7 +131,7 @@ async def root_payload(
         )
 
     for child in children:
-        child.thumbnail = "https://brands.home-assistant.io/_/roku/logo.png"
+        child.thumbnail = "/api/brands/integration/roku/logo.png"
 
     try:
         browse_item = await media_source.async_browse_media(hass, None)
diff --git a/homeassistant/components/russound_rio/media_browser.py b/homeassistant/components/russound_rio/media_browser.py
index 7e5ca741f90..49cd8dae9c4 100644
--- a/homeassistant/components/russound_rio/media_browser.py
+++ b/homeassistant/components/russound_rio/media_browser.py
@@ -35,7 +35,7 @@ async def _root_payload(
                 media_class=MediaClass.DIRECTORY,
                 media_content_id="",
                 media_content_type="presets",
-                thumbnail="https://brands.home-assistant.io/_/russound_rio/logo.png",
+                thumbnail="/api/brands/integration/russound_rio/logo.png",
                 can_play=False,
                 can_expand=True,
             )
diff --git a/homeassistant/components/sonos/media_browser.py b/homeassistant/components/sonos/media_browser.py
index 17ed13b6eb1..768aaf529a1 100644
--- a/homeassistant/components/sonos/media_browser.py
+++ b/homeassistant/components/sonos/media_browser.py
@@ -330,7 +330,7 @@ async def root_payload(
                 media_class=MediaClass.DIRECTORY,
                 media_content_id="",
                 media_content_type="favorites",
-                thumbnail="https://brands.home-assistant.io/_/sonos/logo.png",
+                thumbnail="/api/brands/integration/sonos/logo.png",
                 can_play=False,
                 can_expand=True,
             )
@@ -345,7 +345,7 @@ async def root_payload(
                 media_class=MediaClass.DIRECTORY,
                 media_content_id="",
                 media_content_type="library",
-                thumbnail="https://brands.home-assistant.io/_/sonos/logo.png",
+                thumbnail="/api/brands/integration/sonos/logo.png",
                 can_play=False,
                 can_expand=True,
             )
@@ -358,7 +358,7 @@ async def root_payload(
                 media_class=MediaClass.APP,
                 media_content_id="",
                 media_content_type="plex",
-                thumbnail="https://brands.home-assistant.io/_/plex/logo.png",
+                thumbnail="/api/brands/integration/plex/logo.png",
                 can_play=False,
                 can_expand=True,
             )
diff --git a/homeassistant/components/spotify/browse_media.py b/homeassistant/components/spotify/browse_media.py
index 6ac8729765a..a93adfb37d7 100644
--- a/homeassistant/components/spotify/browse_media.py
+++ b/homeassistant/components/spotify/browse_media.py
@@ -212,7 +212,7 @@ async def async_browse_media(
                 media_class=MediaClass.APP,
                 media_content_id=f"{MEDIA_PLAYER_PREFIX}{config_entry.entry_id}",
                 media_content_type=f"{MEDIA_PLAYER_PREFIX}library",
-                thumbnail="https://brands.home-assistant.io/_/spotify/logo.png",
+                thumbnail="/api/brands/integration/spotify/logo.png",
                 can_play=False,
                 can_expand=True,
             )
@@ -223,7 +223,7 @@ async def async_browse_media(
             media_class=MediaClass.APP,
             media_content_id=MEDIA_PLAYER_PREFIX,
             media_content_type="spotify",
-            thumbnail="https://brands.home-assistant.io/_/spotify/logo.png",
+            thumbnail="/api/brands/integration/spotify/logo.png",
             can_play=False,
             can_expand=True,
             children=children,
diff --git a/homeassistant/components/template/update.py b/homeassistant/components/template/update.py
index 7b03d606aaf..b3231191a34 100644
--- a/homeassistant/components/template/update.py
+++ b/homeassistant/components/template/update.py
@@ -266,7 +266,7 @@ class StateUpdateEntity(TemplateEntity, AbstractTemplateUpdate):
             # The default picture for update entities would use `self.platform.platform_name` in
             # place of `template`.  This does not work when creating an entity preview because
             # the platform does not exist for that entity, therefore this is hardcoded as `template`.
-            return "https://brands.home-assistant.io/_/template/icon.png"
+            return "/api/brands/integration/template/icon.png"
         return self._attr_entity_picture
 
 
diff --git a/homeassistant/components/tts/media_source.py b/homeassistant/components/tts/media_source.py
index 4ff4f93d9cd..df336c5d76d 100644
--- a/homeassistant/components/tts/media_source.py
+++ b/homeassistant/components/tts/media_source.py
@@ -214,7 +214,7 @@ class TTSMediaSource(MediaSource):
             media_class=MediaClass.APP,
             media_content_type="provider",
             title=engine_instance.name,
-            thumbnail=f"https://brands.home-assistant.io/_/{engine_domain}/logo.png",
+            thumbnail=f"/api/brands/integration/{engine_domain}/logo.png",
             can_play=False,
             can_expand=True,
         )
diff --git a/homeassistant/components/update/__init__.py b/homeassistant/components/update/__init__.py
index 47cc5aa369b..2d9f13f02ad 100644
--- a/homeassistant/components/update/__init__.py
+++ b/homeassistant/components/update/__init__.py
@@ -290,9 +290,7 @@ class UpdateEntity(
         Update entities return the brand icon based on the integration
         domain by default.
         """
-        return (
-            f"https://brands.home-assistant.io/_/{self.platform.platform_name}/icon.png"
-        )
+        return f"/api/brands/integration/{self.platform.platform_name}/icon.png"
 
     @cached_property
     def in_progress(self) -> bool | None:
diff --git a/homeassistant/loader.py b/homeassistant/loader.py
index d7ef5588174..dcea8c45e14 100644
--- a/homeassistant/loader.py
+++ b/homeassistant/loader.py
@@ -882,6 +882,11 @@ class Integration:
         """Return if the integration has translations."""
         return "translations" in self._top_level_files
 
+    @cached_property
+    def has_branding(self) -> bool:
+        """Return if the integration has brand assets."""
+        return "brand" in self._top_level_files
+
     @cached_property
     def has_triggers(self) -> bool:
         """Return if the integration has triggers."""
diff --git a/script/hassfest/manifest.py b/script/hassfest/manifest.py
index de53164aed0..7bd660ef5e3 100644
--- a/script/hassfest/manifest.py
+++ b/script/hassfest/manifest.py
@@ -62,6 +62,7 @@ NO_IOT_CLASS = [
     "auth",
     "automation",
     "blueprint",
+    "brands",
     "color_extractor",
     "config",
     "configurator",
diff --git a/script/hassfest/quality_scale.py b/script/hassfest/quality_scale.py
index ec4e5170b4e..0235bc526c0 100644
--- a/script/hassfest/quality_scale.py
+++ b/script/hassfest/quality_scale.py
@@ -2106,6 +2106,7 @@ NO_QUALITY_SCALE = [
     "auth",
     "automation",
     "blueprint",
+    "brands",
     "config",
     "configurator",
     "counter",
diff --git a/tests/components/adguard/snapshots/test_update.ambr b/tests/components/adguard/snapshots/test_update.ambr
index e25ed5106aa..2f0dbbd45a9 100644
--- a/tests/components/adguard/snapshots/test_update.ambr
+++ b/tests/components/adguard/snapshots/test_update.ambr
@@ -40,7 +40,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/adguard/icon.png',
+      'entity_picture': '/api/brands/integration/adguard/icon.png',
       'friendly_name': 'AdGuard Home',
       'in_progress': False,
       'installed_version': 'v0.107.50',
diff --git a/tests/components/airgradient/snapshots/test_update.ambr b/tests/components/airgradient/snapshots/test_update.ambr
index 891ed4e25ac..a632b950174 100644
--- a/tests/components/airgradient/snapshots/test_update.ambr
+++ b/tests/components/airgradient/snapshots/test_update.ambr
@@ -41,7 +41,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/airgradient/icon.png',
+      'entity_picture': '/api/brands/integration/airgradient/icon.png',
       'friendly_name': 'Airgradient Firmware',
       'in_progress': False,
       'installed_version': '3.1.1',
diff --git a/tests/components/brands/__init__.py b/tests/components/brands/__init__.py
new file mode 100644
index 00000000000..8b3fc8dc11d
--- /dev/null
+++ b/tests/components/brands/__init__.py
@@ -0,0 +1 @@
+"""Tests for the Brands integration."""
diff --git a/tests/components/brands/conftest.py b/tests/components/brands/conftest.py
new file mode 100644
index 00000000000..2dc06c4b270
--- /dev/null
+++ b/tests/components/brands/conftest.py
@@ -0,0 +1,20 @@
+"""Test configuration for the Brands integration."""
+
+import pytest
+
+from tests.typing import ClientSessionGenerator
+
+
+@pytest.fixture
+def hass_config_dir(hass_tmp_config_dir: str) -> str:
+    """Use temporary config directory for brands tests."""
+    return hass_tmp_config_dir
+
+
+@pytest.fixture
+def aiohttp_client(
+    aiohttp_client: ClientSessionGenerator,
+    socket_enabled: None,
+) -> ClientSessionGenerator:
+    """Return aiohttp_client and allow opening sockets."""
+    return aiohttp_client
diff --git a/tests/components/brands/test_init.py b/tests/components/brands/test_init.py
new file mode 100644
index 00000000000..5e13a9bf909
--- /dev/null
+++ b/tests/components/brands/test_init.py
@@ -0,0 +1,903 @@
+"""Tests for the Brands integration."""
+
+from datetime import timedelta
+from http import HTTPStatus
+import os
+from pathlib import Path
+import time
+from unittest.mock import patch
+
+from aiohttp import ClientError
+from freezegun.api import FrozenDateTimeFactory
+import pytest
+
+from homeassistant.components.brands.const import (
+    BRANDS_CDN_URL,
+    CACHE_TTL,
+    DOMAIN,
+    TOKEN_CHANGE_INTERVAL,
+)
+from homeassistant.core import HomeAssistant
+from homeassistant.loader import Integration
+from homeassistant.setup import async_setup_component
+
+from tests.common import async_fire_time_changed
+from tests.test_util.aiohttp import AiohttpClientMocker
+from tests.typing import ClientSessionGenerator, WebSocketGenerator
+
+FAKE_PNG = b"\x89PNG\r\n\x1a\nfakeimagedata"
+
+
+@pytest.fixture(autouse=True)
+async def setup_brands(hass: HomeAssistant) -> None:
+    """Set up the brands integration for all tests."""
+    assert await async_setup_component(hass, "http", {"http": {}})
+    assert await async_setup_component(hass, DOMAIN, {})
+
+
+def _create_custom_integration(
+    hass: HomeAssistant,
+    domain: str,
+    *,
+    has_branding: bool = False,
+) -> Integration:
+    """Create a mock custom integration."""
+    top_level = {"__init__.py", "manifest.json"}
+    if has_branding:
+        top_level.add("brand")
+    return Integration(
+        hass,
+        f"custom_components.{domain}",
+        Path(hass.config.config_dir) / "custom_components" / domain,
+        {
+            "name": domain,
+            "domain": domain,
+            "config_flow": False,
+            "dependencies": [],
+            "requirements": [],
+            "version": "1.0.0",
+        },
+        top_level,
+    )
+
+
+# ------------------------------------------------------------------
+# Integration view: /api/brands/integration/{domain}/{image}
+# ------------------------------------------------------------------
+
+
+async def test_integration_view_serves_from_cdn(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test serving an integration brand image from the CDN."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/hue/icon.png",
+        content=FAKE_PNG,
+    )
+
+    client = await hass_client()
+    resp = await client.get("/api/brands/integration/hue/icon.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert resp.content_type == "image/png"
+    assert await resp.read() == FAKE_PNG
+
+
+async def test_integration_view_default_placeholder_fallback(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that CDN 404 serves placeholder by default."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/nonexistent/icon.png",
+        status=HTTPStatus.NOT_FOUND,
+    )
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/_/_placeholder/icon.png",
+        content=FAKE_PNG,
+    )
+
+    client = await hass_client()
+    resp = await client.get("/api/brands/integration/nonexistent/icon.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+
+
+async def test_integration_view_no_placeholder(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that CDN 404 returns 404 when placeholder=no is set."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/nonexistent/icon.png",
+        status=HTTPStatus.NOT_FOUND,
+    )
+
+    client = await hass_client()
+    resp = await client.get(
+        "/api/brands/integration/nonexistent/icon.png?placeholder=no"
+    )
+
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+
+async def test_integration_view_invalid_domain(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+) -> None:
+    """Test that invalid domain names return 404."""
+    client = await hass_client()
+
+    resp = await client.get("/api/brands/integration/INVALID/icon.png")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+    resp = await client.get("/api/brands/integration/../etc/icon.png")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+    resp = await client.get("/api/brands/integration/has spaces/icon.png")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+    resp = await client.get("/api/brands/integration/_leading/icon.png")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+    resp = await client.get("/api/brands/integration/trailing_/icon.png")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+    resp = await client.get("/api/brands/integration/double__under/icon.png")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+
+async def test_integration_view_invalid_image(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+) -> None:
+    """Test that invalid image filenames return 404."""
+    client = await hass_client()
+
+    resp = await client.get("/api/brands/integration/hue/malicious.jpg")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+    resp = await client.get("/api/brands/integration/hue/../../etc/passwd")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+    resp = await client.get("/api/brands/integration/hue/notallowed.png")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+
+async def test_integration_view_all_allowed_images(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that all allowed image filenames are accepted."""
+    allowed = [
+        "icon.png",
+        "logo.png",
+        "icon@2x.png",
+        "logo@2x.png",
+        "dark_icon.png",
+        "dark_logo.png",
+        "dark_icon@2x.png",
+        "dark_logo@2x.png",
+    ]
+    for image in allowed:
+        aioclient_mock.get(
+            f"{BRANDS_CDN_URL}/brands/hue/{image}",
+            content=FAKE_PNG,
+        )
+
+    client = await hass_client()
+    for image in allowed:
+        resp = await client.get(f"/api/brands/integration/hue/{image}")
+        assert resp.status == HTTPStatus.OK, f"Failed for {image}"
+
+
+async def test_integration_view_cdn_error_returns_none(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that CDN connection errors result in 404 with placeholder=no."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/broken/icon.png",
+        exc=ClientError(),
+    )
+
+    client = await hass_client()
+    resp = await client.get("/api/brands/integration/broken/icon.png?placeholder=no")
+
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+
+async def test_integration_view_cdn_unexpected_status(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that unexpected CDN status codes result in 404 with placeholder=no."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/broken/icon.png",
+        status=HTTPStatus.INTERNAL_SERVER_ERROR,
+    )
+
+    client = await hass_client()
+    resp = await client.get("/api/brands/integration/broken/icon.png?placeholder=no")
+
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+
+# ------------------------------------------------------------------
+# Disk caching
+# ------------------------------------------------------------------
+
+
+async def test_disk_cache_hit(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that a second request is served from disk cache."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/hue/icon.png",
+        content=FAKE_PNG,
+    )
+
+    client = await hass_client()
+
+    # First request: fetches from CDN
+    resp = await client.get("/api/brands/integration/hue/icon.png")
+    assert resp.status == HTTPStatus.OK
+    assert aioclient_mock.call_count == 1
+
+    # Second request: served from disk cache
+    resp = await client.get("/api/brands/integration/hue/icon.png")
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+    assert aioclient_mock.call_count == 1  # No additional CDN call
+
+
+async def test_disk_cache_404_marker(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that 404s are cached as empty files."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/nothing/icon.png",
+        status=HTTPStatus.NOT_FOUND,
+    )
+
+    client = await hass_client()
+
+    # First request: CDN returns 404, cached as empty file
+    resp = await client.get("/api/brands/integration/nothing/icon.png?placeholder=no")
+    assert resp.status == HTTPStatus.NOT_FOUND
+    assert aioclient_mock.call_count == 1
+
+    # Second request: served from cached 404 marker
+    resp = await client.get("/api/brands/integration/nothing/icon.png?placeholder=no")
+    assert resp.status == HTTPStatus.NOT_FOUND
+    assert aioclient_mock.call_count == 1  # No additional CDN call
+
+
+async def test_stale_cache_triggers_background_refresh(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that stale cache entries trigger background refresh."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/hue/icon.png",
+        content=FAKE_PNG,
+    )
+
+    client = await hass_client()
+
+    # Prime the cache
+    resp = await client.get("/api/brands/integration/hue/icon.png")
+    assert resp.status == HTTPStatus.OK
+    assert aioclient_mock.call_count == 1
+
+    # Make the cache stale by backdating the file mtime
+    cache_path = (
+        Path(hass.config.cache_path(DOMAIN)) / "integrations" / "hue" / "icon.png"
+    )
+    assert cache_path.is_file()
+    stale_time = time.time() - CACHE_TTL - 1
+    os.utime(cache_path, (stale_time, stale_time))
+
+    # Request with stale cache should still return cached data
+    # but trigger a background refresh
+    resp = await client.get("/api/brands/integration/hue/icon.png")
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+
+    # Wait for the background task to complete
+    await hass.async_block_till_done()
+
+    # Background refresh should have fetched from CDN again
+    assert aioclient_mock.call_count == 2
+
+
+async def test_stale_cache_404_marker_with_placeholder(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that stale cached 404 serves placeholder by default."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/gone/icon.png",
+        status=HTTPStatus.NOT_FOUND,
+    )
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/_/_placeholder/icon.png",
+        content=FAKE_PNG,
+    )
+
+    client = await hass_client()
+
+    # First request caches the 404 (with placeholder=no)
+    resp = await client.get("/api/brands/integration/gone/icon.png?placeholder=no")
+    assert resp.status == HTTPStatus.NOT_FOUND
+    assert aioclient_mock.call_count == 1
+
+    # Make the cache stale
+    cache_path = (
+        Path(hass.config.cache_path(DOMAIN)) / "integrations" / "gone" / "icon.png"
+    )
+    assert cache_path.is_file()
+    stale_time = time.time() - CACHE_TTL - 1
+    os.utime(cache_path, (stale_time, stale_time))
+
+    # Stale 404 with default placeholder serves the placeholder
+    resp = await client.get("/api/brands/integration/gone/icon.png")
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+
+
+async def test_stale_cache_404_marker_no_placeholder(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that stale cached 404 with placeholder=no returns 404."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/gone/icon.png",
+        status=HTTPStatus.NOT_FOUND,
+    )
+
+    client = await hass_client()
+
+    # First request caches the 404
+    resp = await client.get("/api/brands/integration/gone/icon.png?placeholder=no")
+    assert resp.status == HTTPStatus.NOT_FOUND
+    assert aioclient_mock.call_count == 1
+
+    # Make the cache stale
+    cache_path = (
+        Path(hass.config.cache_path(DOMAIN)) / "integrations" / "gone" / "icon.png"
+    )
+    assert cache_path.is_file()
+    stale_time = time.time() - CACHE_TTL - 1
+    os.utime(cache_path, (stale_time, stale_time))
+
+    # Stale 404 with placeholder=no still returns 404
+    resp = await client.get("/api/brands/integration/gone/icon.png?placeholder=no")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+    # Background refresh should have been triggered
+    await hass.async_block_till_done()
+    assert aioclient_mock.call_count == 2
+
+
+# ------------------------------------------------------------------
+# Custom integration brand files
+# ------------------------------------------------------------------
+
+
+async def test_custom_integration_brand_served(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that custom integration brand files are served."""
+    custom = _create_custom_integration(hass, "my_custom", has_branding=True)
+
+    # Create the brand file on disk
+    brand_dir = Path(custom.file_path) / "brand"
+    brand_dir.mkdir(parents=True, exist_ok=True)
+    (brand_dir / "icon.png").write_bytes(FAKE_PNG)
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        client = await hass_client()
+        resp = await client.get("/api/brands/integration/my_custom/icon.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+    # Should not have called CDN
+    assert aioclient_mock.call_count == 0
+
+
+async def test_custom_integration_no_brand_falls_through(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that custom integration without brand falls through to CDN."""
+    custom = _create_custom_integration(hass, "my_custom", has_branding=False)
+
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/my_custom/icon.png",
+        content=FAKE_PNG,
+    )
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        client = await hass_client()
+        resp = await client.get("/api/brands/integration/my_custom/icon.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert aioclient_mock.call_count == 1
+
+
+async def test_custom_integration_brand_missing_file_falls_through(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that custom integration with brand dir but missing file falls through."""
+    custom = _create_custom_integration(hass, "my_custom", has_branding=True)
+
+    # Create the brand directory but NOT the requested file
+    brand_dir = Path(custom.file_path) / "brand"
+    brand_dir.mkdir(parents=True, exist_ok=True)
+
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/my_custom/icon.png",
+        content=FAKE_PNG,
+    )
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        client = await hass_client()
+        resp = await client.get("/api/brands/integration/my_custom/icon.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert aioclient_mock.call_count == 1
+
+
+async def test_custom_integration_takes_priority_over_cache(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that custom integration brand takes priority over disk cache."""
+    custom_png = b"\x89PNGcustom"
+
+    # Prime the CDN cache first
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/my_custom/icon.png",
+        content=FAKE_PNG,
+    )
+
+    client = await hass_client()
+    resp = await client.get("/api/brands/integration/my_custom/icon.png")
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+
+    # Now create a custom integration with brand
+    custom = _create_custom_integration(hass, "my_custom", has_branding=True)
+    brand_dir = Path(custom.file_path) / "brand"
+    brand_dir.mkdir(parents=True, exist_ok=True)
+    (brand_dir / "icon.png").write_bytes(custom_png)
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        resp = await client.get("/api/brands/integration/my_custom/icon.png")
+
+    # Custom integration brand takes priority
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == custom_png
+
+
+# ------------------------------------------------------------------
+# Custom integration image fallback chains
+# ------------------------------------------------------------------
+
+
+async def test_custom_integration_logo_falls_back_to_icon(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that requesting logo.png falls back to icon.png for custom integrations."""
+    custom = _create_custom_integration(hass, "my_custom", has_branding=True)
+    brand_dir = Path(custom.file_path) / "brand"
+    brand_dir.mkdir(parents=True, exist_ok=True)
+    (brand_dir / "icon.png").write_bytes(FAKE_PNG)
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        client = await hass_client()
+        resp = await client.get("/api/brands/integration/my_custom/logo.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+    assert aioclient_mock.call_count == 0
+
+
+async def test_custom_integration_dark_icon_falls_back_to_icon(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that dark_icon.png falls back to icon.png for custom integrations."""
+    custom = _create_custom_integration(hass, "my_custom", has_branding=True)
+    brand_dir = Path(custom.file_path) / "brand"
+    brand_dir.mkdir(parents=True, exist_ok=True)
+    (brand_dir / "icon.png").write_bytes(FAKE_PNG)
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        client = await hass_client()
+        resp = await client.get("/api/brands/integration/my_custom/dark_icon.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+    assert aioclient_mock.call_count == 0
+
+
+async def test_custom_integration_dark_logo_falls_back_through_chain(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that dark_logo.png walks the full fallback chain."""
+    custom = _create_custom_integration(hass, "my_custom", has_branding=True)
+    brand_dir = Path(custom.file_path) / "brand"
+    brand_dir.mkdir(parents=True, exist_ok=True)
+    # Only icon.png exists; dark_logo → dark_icon → logo → icon
+    (brand_dir / "icon.png").write_bytes(FAKE_PNG)
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        client = await hass_client()
+        resp = await client.get("/api/brands/integration/my_custom/dark_logo.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+    assert aioclient_mock.call_count == 0
+
+
+async def test_custom_integration_dark_logo_prefers_dark_icon(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that dark_logo.png prefers dark_icon.png over icon.png."""
+    dark_icon_data = b"\x89PNGdarkicon"
+    custom = _create_custom_integration(hass, "my_custom", has_branding=True)
+    brand_dir = Path(custom.file_path) / "brand"
+    brand_dir.mkdir(parents=True, exist_ok=True)
+    (brand_dir / "icon.png").write_bytes(FAKE_PNG)
+    (brand_dir / "dark_icon.png").write_bytes(dark_icon_data)
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        client = await hass_client()
+        resp = await client.get("/api/brands/integration/my_custom/dark_logo.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == dark_icon_data
+
+
+async def test_custom_integration_icon2x_falls_back_to_icon(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that icon@2x.png falls back to icon.png."""
+    custom = _create_custom_integration(hass, "my_custom", has_branding=True)
+    brand_dir = Path(custom.file_path) / "brand"
+    brand_dir.mkdir(parents=True, exist_ok=True)
+    (brand_dir / "icon.png").write_bytes(FAKE_PNG)
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        client = await hass_client()
+        resp = await client.get("/api/brands/integration/my_custom/icon@2x.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+    assert aioclient_mock.call_count == 0
+
+
+async def test_custom_integration_logo2x_falls_back_to_logo_then_icon(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that logo@2x.png falls back to logo.png then icon.png."""
+    logo_data = b"\x89PNGlogodata"
+    custom = _create_custom_integration(hass, "my_custom", has_branding=True)
+    brand_dir = Path(custom.file_path) / "brand"
+    brand_dir.mkdir(parents=True, exist_ok=True)
+    (brand_dir / "icon.png").write_bytes(FAKE_PNG)
+    (brand_dir / "logo.png").write_bytes(logo_data)
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        client = await hass_client()
+        resp = await client.get("/api/brands/integration/my_custom/logo@2x.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == logo_data
+
+
+async def test_custom_integration_no_fallback_match_falls_through_to_cdn(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that if no fallback image exists locally, we fall through to CDN."""
+    custom = _create_custom_integration(hass, "my_custom", has_branding=True)
+    brand_dir = Path(custom.file_path) / "brand"
+    brand_dir.mkdir(parents=True, exist_ok=True)
+    # brand dir exists but is empty - no icon.png either
+
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/my_custom/icon.png",
+        content=FAKE_PNG,
+    )
+
+    with patch(
+        "homeassistant.components.brands.async_get_custom_components",
+        return_value={"my_custom": custom},
+    ):
+        client = await hass_client()
+        resp = await client.get("/api/brands/integration/my_custom/icon.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert aioclient_mock.call_count == 1
+
+
+# ------------------------------------------------------------------
+# Hardware view: /api/brands/hardware/{category}/{image:.+}
+# ------------------------------------------------------------------
+
+
+async def test_hardware_view_serves_from_cdn(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test serving a hardware brand image from CDN."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/hardware/boards/green.png",
+        content=FAKE_PNG,
+    )
+
+    client = await hass_client()
+    resp = await client.get("/api/brands/hardware/boards/green.png")
+
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+
+
+async def test_hardware_view_invalid_category(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+) -> None:
+    """Test that invalid category names return 404."""
+    client = await hass_client()
+
+    resp = await client.get("/api/brands/hardware/INVALID/board.png")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+
+async def test_hardware_view_invalid_image_extension(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+) -> None:
+    """Test that non-png image names return 404."""
+    client = await hass_client()
+
+    resp = await client.get("/api/brands/hardware/boards/image.jpg")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+
+async def test_hardware_view_invalid_image_characters(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+) -> None:
+    """Test that image names with invalid characters return 404."""
+    client = await hass_client()
+
+    resp = await client.get("/api/brands/hardware/boards/Bad-Name.png")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+    resp = await client.get("/api/brands/hardware/boards/../etc.png")
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+
+# ------------------------------------------------------------------
+# CDN timeout handling
+# ------------------------------------------------------------------
+
+
+async def test_cdn_timeout_returns_404(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that CDN timeout results in 404 with placeholder=no."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/slow/icon.png",
+        exc=TimeoutError(),
+    )
+
+    client = await hass_client()
+    resp = await client.get("/api/brands/integration/slow/icon.png?placeholder=no")
+
+    assert resp.status == HTTPStatus.NOT_FOUND
+
+
+# ------------------------------------------------------------------
+# Authentication
+# ------------------------------------------------------------------
+
+
+async def test_authenticated_request(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that authenticated requests succeed."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/hue/icon.png",
+        content=FAKE_PNG,
+    )
+
+    client = await hass_client()
+    resp = await client.get("/api/brands/integration/hue/icon.png")
+
+    assert resp.status == HTTPStatus.OK
+
+
+async def test_token_query_param_authentication(
+    hass: HomeAssistant,
+    hass_client_no_auth: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that a valid access token in query param authenticates."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/hue/icon.png",
+        content=FAKE_PNG,
+    )
+
+    token = hass.data[DOMAIN][-1]
+    client = await hass_client_no_auth()
+    resp = await client.get(f"/api/brands/integration/hue/icon.png?token={token}")
+
+    assert resp.status == HTTPStatus.OK
+    assert await resp.read() == FAKE_PNG
+
+
+async def test_unauthenticated_request_forbidden(
+    hass: HomeAssistant,
+    hass_client_no_auth: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+) -> None:
+    """Test that unauthenticated requests are forbidden."""
+    client = await hass_client_no_auth()
+
+    resp = await client.get("/api/brands/integration/hue/icon.png")
+    assert resp.status == HTTPStatus.FORBIDDEN
+
+    resp = await client.get("/api/brands/hardware/boards/green.png")
+    assert resp.status == HTTPStatus.FORBIDDEN
+
+
+async def test_invalid_token_forbidden(
+    hass: HomeAssistant,
+    hass_client_no_auth: ClientSessionGenerator,
+) -> None:
+    """Test that an invalid access token in query param is forbidden."""
+    client = await hass_client_no_auth()
+    resp = await client.get("/api/brands/integration/hue/icon.png?token=invalid_token")
+
+    assert resp.status == HTTPStatus.FORBIDDEN
+
+
+async def test_invalid_bearer_token_unauthorized(
+    hass: HomeAssistant,
+    hass_client_no_auth: ClientSessionGenerator,
+) -> None:
+    """Test that an invalid Bearer token returns unauthorized."""
+    client = await hass_client_no_auth()
+    resp = await client.get(
+        "/api/brands/integration/hue/icon.png",
+        headers={"Authorization": "Bearer invalid_token"},
+    )
+
+    assert resp.status == HTTPStatus.UNAUTHORIZED
+
+
+async def test_token_rotation(
+    hass: HomeAssistant,
+    hass_client_no_auth: ClientSessionGenerator,
+    aioclient_mock: AiohttpClientMocker,
+    freezer: FrozenDateTimeFactory,
+) -> None:
+    """Test that access tokens rotate over time."""
+    aioclient_mock.get(
+        f"{BRANDS_CDN_URL}/brands/hue/icon.png",
+        content=FAKE_PNG,
+    )
+
+    original_token = hass.data[DOMAIN][-1]
+    client = await hass_client_no_auth()
+
+    # Original token works
+    resp = await client.get(
+        f"/api/brands/integration/hue/icon.png?token={original_token}"
+    )
+    assert resp.status == HTTPStatus.OK
+
+    # Trigger token rotation
+    freezer.tick(TOKEN_CHANGE_INTERVAL + timedelta(seconds=1))
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    # Deque now contains a different newest token
+    new_token = hass.data[DOMAIN][-1]
+    assert new_token != original_token
+
+    # New token works
+    resp = await client.get(f"/api/brands/integration/hue/icon.png?token={new_token}")
+    assert resp.status == HTTPStatus.OK
+
+
+# ------------------------------------------------------------------
+# WebSocket API
+# ------------------------------------------------------------------
+
+
+async def test_ws_access_token(
+    hass: HomeAssistant,
+    hass_ws_client: WebSocketGenerator,
+) -> None:
+    """Test the brands/access_token WebSocket command."""
+    client = await hass_ws_client(hass)
+
+    await client.send_json({"id": 1, "type": "brands/access_token"})
+    resp = await client.receive_json()
+
+    assert resp["success"]
+    assert resp["result"]["token"] == hass.data[DOMAIN][-1]
diff --git a/tests/components/cambridge_audio/snapshots/test_media_browser.ambr b/tests/components/cambridge_audio/snapshots/test_media_browser.ambr
index 9f0fffdac49..1a6957c22aa 100644
--- a/tests/components/cambridge_audio/snapshots/test_media_browser.ambr
+++ b/tests/components/cambridge_audio/snapshots/test_media_browser.ambr
@@ -9,7 +9,7 @@
       'media_class': 'directory',
       'media_content_id': '',
       'media_content_type': 'presets',
-      'thumbnail': 'https://brands.home-assistant.io/_/cambridge_audio/logo.png',
+      'thumbnail': '/api/brands/integration/cambridge_audio/logo.png',
       'title': 'Presets',
     }),
   ])
diff --git a/tests/components/cast/test_media_player.py b/tests/components/cast/test_media_player.py
index 767a95dbe9a..8a7cf3fe56f 100644
--- a/tests/components/cast/test_media_player.py
+++ b/tests/components/cast/test_media_player.py
@@ -2167,7 +2167,7 @@ async def test_cast_platform_browse_media(
                     media_class=MediaClass.APP,
                     media_content_id="",
                     media_content_type="spotify",
-                    thumbnail="https://brands.home-assistant.io/_/spotify/logo.png",
+                    thumbnail="/api/brands/integration/spotify/logo.png",
                     can_play=False,
                     can_expand=True,
                 )
@@ -2219,7 +2219,7 @@ async def test_cast_platform_browse_media(
         "can_play": False,
         "can_expand": True,
         "can_search": False,
-        "thumbnail": "https://brands.home-assistant.io/_/spotify/logo.png",
+        "thumbnail": "/api/brands/integration/spotify/logo.png",
         "children_media_class": None,
     }
     assert expected_child in response["result"]["children"]
diff --git a/tests/components/demo/test_update.py b/tests/components/demo/test_update.py
index 93a9f272aeb..c734207df87 100644
--- a/tests/components/demo/test_update.py
+++ b/tests/components/demo/test_update.py
@@ -61,8 +61,7 @@ def test_setup_params(hass: HomeAssistant) -> None:
     )
     assert state.attributes[ATTR_RELEASE_URL] == "https://www.example.com/release/1.0.1"
     assert (
-        state.attributes[ATTR_ENTITY_PICTURE]
-        == "https://brands.home-assistant.io/_/demo/icon.png"
+        state.attributes[ATTR_ENTITY_PICTURE] == "/api/brands/integration/demo/icon.png"
     )
 
     state = hass.states.get("update.demo_no_update")
@@ -74,8 +73,7 @@ def test_setup_params(hass: HomeAssistant) -> None:
     assert state.attributes[ATTR_RELEASE_SUMMARY] is None
     assert state.attributes[ATTR_RELEASE_URL] is None
     assert (
-        state.attributes[ATTR_ENTITY_PICTURE]
-        == "https://brands.home-assistant.io/_/demo/icon.png"
+        state.attributes[ATTR_ENTITY_PICTURE] == "/api/brands/integration/demo/icon.png"
     )
 
     state = hass.states.get("update.demo_add_on")
@@ -89,8 +87,7 @@ def test_setup_params(hass: HomeAssistant) -> None:
     )
     assert state.attributes[ATTR_RELEASE_URL] == "https://www.example.com/release/1.0.1"
     assert (
-        state.attributes[ATTR_ENTITY_PICTURE]
-        == "https://brands.home-assistant.io/_/demo/icon.png"
+        state.attributes[ATTR_ENTITY_PICTURE] == "/api/brands/integration/demo/icon.png"
     )
 
     state = hass.states.get("update.demo_living_room_bulb_update")
@@ -105,8 +102,7 @@ def test_setup_params(hass: HomeAssistant) -> None:
     )
     assert state.attributes[ATTR_DEVICE_CLASS] == UpdateDeviceClass.FIRMWARE
     assert (
-        state.attributes[ATTR_ENTITY_PICTURE]
-        == "https://brands.home-assistant.io/_/demo/icon.png"
+        state.attributes[ATTR_ENTITY_PICTURE] == "/api/brands/integration/demo/icon.png"
     )
 
     state = hass.states.get("update.demo_update_with_progress")
@@ -121,8 +117,7 @@ def test_setup_params(hass: HomeAssistant) -> None:
     )
     assert state.attributes[ATTR_DEVICE_CLASS] == UpdateDeviceClass.FIRMWARE
     assert (
-        state.attributes[ATTR_ENTITY_PICTURE]
-        == "https://brands.home-assistant.io/_/demo/icon.png"
+        state.attributes[ATTR_ENTITY_PICTURE] == "/api/brands/integration/demo/icon.png"
     )
 
 
diff --git a/tests/components/devolo_home_network/snapshots/test_update.ambr b/tests/components/devolo_home_network/snapshots/test_update.ambr
index a1f32024d7c..d717a9d4b3d 100644
--- a/tests/components/devolo_home_network/snapshots/test_update.ambr
+++ b/tests/components/devolo_home_network/snapshots/test_update.ambr
@@ -5,7 +5,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/devolo_home_network/icon.png',
+      'entity_picture': '/api/brands/integration/devolo_home_network/icon.png',
       'friendly_name': 'Mock Title Firmware',
       'in_progress': False,
       'installed_version': '5.6.1',
diff --git a/tests/components/esphome/test_media_player.py b/tests/components/esphome/test_media_player.py
index b5805298b97..2e06e098292 100644
--- a/tests/components/esphome/test_media_player.py
+++ b/tests/components/esphome/test_media_player.py
@@ -285,7 +285,7 @@ async def test_media_player_entity_with_source(
                     media_class=MediaClass.APP,
                     media_content_id="",
                     media_content_type="spotify",
-                    thumbnail="https://brands.home-assistant.io/_/spotify/logo.png",
+                    thumbnail="/api/brands/integration/spotify/logo.png",
                     can_play=False,
                     can_expand=True,
                 )
diff --git a/tests/components/forked_daapd/test_browse_media.py b/tests/components/forked_daapd/test_browse_media.py
index 88b29c2bbba..a3363ee74e8 100644
--- a/tests/components/forked_daapd/test_browse_media.py
+++ b/tests/components/forked_daapd/test_browse_media.py
@@ -284,7 +284,7 @@ async def test_async_browse_spotify(
                 media_class=MediaClass.APP,
                 media_content_id=f"{SPOTIFY_MEDIA_PLAYER_PREFIX}some_id",
                 media_content_type=f"{SPOTIFY_MEDIA_PLAYER_PREFIX}track",
-                thumbnail="https://brands.home-assistant.io/_/spotify/logo.png",
+                thumbnail="/api/brands/integration/spotify/logo.png",
                 can_play=False,
                 can_expand=True,
             )
@@ -294,7 +294,7 @@ async def test_async_browse_spotify(
             media_class=MediaClass.APP,
             media_content_id=SPOTIFY_MEDIA_PLAYER_PREFIX,
             media_content_type=f"{SPOTIFY_MEDIA_PLAYER_PREFIX}library",
-            thumbnail="https://brands.home-assistant.io/_/spotify/logo.png",
+            thumbnail="/api/brands/integration/spotify/logo.png",
             can_play=False,
             can_expand=True,
             children=children,
diff --git a/tests/components/fritz/snapshots/test_update.ambr b/tests/components/fritz/snapshots/test_update.ambr
index d441896dfa3..8d1221285ab 100644
--- a/tests/components/fritz/snapshots/test_update.ambr
+++ b/tests/components/fritz/snapshots/test_update.ambr
@@ -40,7 +40,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/fritz/icon.png',
+      'entity_picture': '/api/brands/integration/fritz/icon.png',
       'friendly_name': 'Mock Title FRITZ!OS',
       'in_progress': False,
       'installed_version': '7.29',
@@ -101,7 +101,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/fritz/icon.png',
+      'entity_picture': '/api/brands/integration/fritz/icon.png',
       'friendly_name': 'Mock Title FRITZ!OS',
       'in_progress': False,
       'installed_version': '7.29',
@@ -162,7 +162,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/fritz/icon.png',
+      'entity_picture': '/api/brands/integration/fritz/icon.png',
       'friendly_name': 'Mock Title FRITZ!OS',
       'in_progress': False,
       'installed_version': '7.29',
diff --git a/tests/components/immich/snapshots/test_update.ambr b/tests/components/immich/snapshots/test_update.ambr
index 80b435c09ba..bbec2ed08dc 100644
--- a/tests/components/immich/snapshots/test_update.ambr
+++ b/tests/components/immich/snapshots/test_update.ambr
@@ -40,7 +40,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/immich/icon.png',
+      'entity_picture': '/api/brands/integration/immich/icon.png',
       'friendly_name': 'Someone Version',
       'in_progress': False,
       'installed_version': 'v1.134.0',
diff --git a/tests/components/iron_os/snapshots/test_update.ambr b/tests/components/iron_os/snapshots/test_update.ambr
index ae53c7c1205..6499b5b1941 100644
--- a/tests/components/iron_os/snapshots/test_update.ambr
+++ b/tests/components/iron_os/snapshots/test_update.ambr
@@ -44,7 +44,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/iron_os/icon.png',
+      'entity_picture': '/api/brands/integration/iron_os/icon.png',
       'friendly_name': 'Pinecil Firmware',
       'in_progress': False,
       'installed_version': 'v2.23',
diff --git a/tests/components/lamarzocco/snapshots/test_update.ambr b/tests/components/lamarzocco/snapshots/test_update.ambr
index 9227d433461..7f8c3f1bc11 100644
--- a/tests/components/lamarzocco/snapshots/test_update.ambr
+++ b/tests/components/lamarzocco/snapshots/test_update.ambr
@@ -41,7 +41,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/lamarzocco/icon.png',
+      'entity_picture': '/api/brands/integration/lamarzocco/icon.png',
       'friendly_name': 'GS012345 Gateway firmware',
       'in_progress': False,
       'installed_version': 'v5.0.9',
@@ -103,7 +103,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/lamarzocco/icon.png',
+      'entity_picture': '/api/brands/integration/lamarzocco/icon.png',
       'friendly_name': 'GS012345 Machine firmware',
       'in_progress': False,
       'installed_version': 'v1.17',
diff --git a/tests/components/lametric/snapshots/test_update.ambr b/tests/components/lametric/snapshots/test_update.ambr
index 607df87e014..4797c444871 100644
--- a/tests/components/lametric/snapshots/test_update.ambr
+++ b/tests/components/lametric/snapshots/test_update.ambr
@@ -41,7 +41,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/lametric/icon.png',
+      'entity_picture': '/api/brands/integration/lametric/icon.png',
       'friendly_name': "spyfly's LaMetric SKY Firmware",
       'in_progress': False,
       'installed_version': '3.0.13',
diff --git a/tests/components/lovelace/test_cast.py b/tests/components/lovelace/test_cast.py
index dc57975701d..4bae319ae17 100644
--- a/tests/components/lovelace/test_cast.py
+++ b/tests/components/lovelace/test_cast.py
@@ -94,7 +94,7 @@ async def test_root_object(hass: HomeAssistant) -> None:
     assert item.media_class == MediaClass.APP
     assert item.media_content_id == ""
     assert item.media_content_type == lovelace_cast.DOMAIN
-    assert item.thumbnail == "https://brands.home-assistant.io/_/lovelace/logo.png"
+    assert item.thumbnail == "/api/brands/integration/lovelace/logo.png"
     assert item.can_play is False
     assert item.can_expand is True
 
@@ -130,7 +130,7 @@ async def test_browse_media(hass: HomeAssistant) -> None:
     assert child_1.media_class == MediaClass.APP
     assert child_1.media_content_id == lovelace_cast.DEFAULT_DASHBOARD
     assert child_1.media_content_type == lovelace_cast.DOMAIN
-    assert child_1.thumbnail == "https://brands.home-assistant.io/_/lovelace/logo.png"
+    assert child_1.thumbnail == "/api/brands/integration/lovelace/logo.png"
     assert child_1.can_play is True
     assert child_1.can_expand is False
 
@@ -139,7 +139,7 @@ async def test_browse_media(hass: HomeAssistant) -> None:
     assert child_2.media_class == MediaClass.APP
     assert child_2.media_content_id == "yaml-with-views"
     assert child_2.media_content_type == lovelace_cast.DOMAIN
-    assert child_2.thumbnail == "https://brands.home-assistant.io/_/lovelace/logo.png"
+    assert child_2.thumbnail == "/api/brands/integration/lovelace/logo.png"
     assert child_2.can_play is True
     assert child_2.can_expand is True
 
@@ -154,9 +154,7 @@ async def test_browse_media(hass: HomeAssistant) -> None:
     assert grandchild_1.media_class == MediaClass.APP
     assert grandchild_1.media_content_id == "yaml-with-views/0"
     assert grandchild_1.media_content_type == lovelace_cast.DOMAIN
-    assert (
-        grandchild_1.thumbnail == "https://brands.home-assistant.io/_/lovelace/logo.png"
-    )
+    assert grandchild_1.thumbnail == "/api/brands/integration/lovelace/logo.png"
     assert grandchild_1.can_play is True
     assert grandchild_1.can_expand is False
 
@@ -165,9 +163,7 @@ async def test_browse_media(hass: HomeAssistant) -> None:
     assert grandchild_2.media_class == MediaClass.APP
     assert grandchild_2.media_content_id == "yaml-with-views/second-view"
     assert grandchild_2.media_content_type == lovelace_cast.DOMAIN
-    assert (
-        grandchild_2.thumbnail == "https://brands.home-assistant.io/_/lovelace/logo.png"
-    )
+    assert grandchild_2.thumbnail == "/api/brands/integration/lovelace/logo.png"
     assert grandchild_2.can_play is True
     assert grandchild_2.can_expand is False
 
diff --git a/tests/components/nextcloud/snapshots/test_update.ambr b/tests/components/nextcloud/snapshots/test_update.ambr
index 60df16707ef..4211f6b8c2a 100644
--- a/tests/components/nextcloud/snapshots/test_update.ambr
+++ b/tests/components/nextcloud/snapshots/test_update.ambr
@@ -40,7 +40,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/nextcloud/icon.png',
+      'entity_picture': '/api/brands/integration/nextcloud/icon.png',
       'friendly_name': 'my.nc_url.local',
       'in_progress': False,
       'installed_version': '28.0.4.1',
diff --git a/tests/components/paperless_ngx/snapshots/test_update.ambr b/tests/components/paperless_ngx/snapshots/test_update.ambr
index 4df9074f38e..f3dad3ce1e5 100644
--- a/tests/components/paperless_ngx/snapshots/test_update.ambr
+++ b/tests/components/paperless_ngx/snapshots/test_update.ambr
@@ -41,7 +41,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/paperless_ngx/icon.png',
+      'entity_picture': '/api/brands/integration/paperless_ngx/icon.png',
       'friendly_name': 'Paperless-ngx Software',
       'in_progress': False,
       'installed_version': '2.3.0',
diff --git a/tests/components/peblar/snapshots/test_update.ambr b/tests/components/peblar/snapshots/test_update.ambr
index 0e69410385b..d4789b252aa 100644
--- a/tests/components/peblar/snapshots/test_update.ambr
+++ b/tests/components/peblar/snapshots/test_update.ambr
@@ -40,7 +40,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/peblar/icon.png',
+      'entity_picture': '/api/brands/integration/peblar/icon.png',
       'friendly_name': 'Peblar EV Charger Customization',
       'in_progress': False,
       'installed_version': 'Peblar-1.9',
@@ -102,7 +102,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/peblar/icon.png',
+      'entity_picture': '/api/brands/integration/peblar/icon.png',
       'friendly_name': 'Peblar EV Charger Firmware',
       'in_progress': False,
       'installed_version': '1.6.1+1+WL-1',
diff --git a/tests/components/russound_rio/snapshots/test_media_browser.ambr b/tests/components/russound_rio/snapshots/test_media_browser.ambr
index 7c3df31a69b..7ca71e72417 100644
--- a/tests/components/russound_rio/snapshots/test_media_browser.ambr
+++ b/tests/components/russound_rio/snapshots/test_media_browser.ambr
@@ -9,7 +9,7 @@
       'media_class': 'directory',
       'media_content_id': '',
       'media_content_type': 'presets',
-      'thumbnail': 'https://brands.home-assistant.io/_/russound_rio/logo.png',
+      'thumbnail': '/api/brands/integration/russound_rio/logo.png',
       'title': 'Presets',
     }),
   ])
diff --git a/tests/components/sensibo/snapshots/test_update.ambr b/tests/components/sensibo/snapshots/test_update.ambr
index 0aea04fd0ec..8c6002d29a3 100644
--- a/tests/components/sensibo/snapshots/test_update.ambr
+++ b/tests/components/sensibo/snapshots/test_update.ambr
@@ -41,7 +41,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/sensibo/icon.png',
+      'entity_picture': '/api/brands/integration/sensibo/icon.png',
       'friendly_name': 'Bedroom Firmware',
       'in_progress': False,
       'installed_version': 'PUR00111',
@@ -103,7 +103,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/sensibo/icon.png',
+      'entity_picture': '/api/brands/integration/sensibo/icon.png',
       'friendly_name': 'Hallway Firmware',
       'in_progress': False,
       'installed_version': 'SKY30046',
@@ -165,7 +165,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/sensibo/icon.png',
+      'entity_picture': '/api/brands/integration/sensibo/icon.png',
       'friendly_name': 'Kitchen Firmware',
       'in_progress': False,
       'installed_version': 'PUR00111',
diff --git a/tests/components/shelly/snapshots/test_devices.ambr b/tests/components/shelly/snapshots/test_devices.ambr
index e0d5ac5a5d4..a9cd0823cc9 100644
--- a/tests/components/shelly/snapshots/test_devices.ambr
+++ b/tests/components/shelly/snapshots/test_devices.ambr
@@ -930,7 +930,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Beta firmware',
       'in_progress': False,
       'installed_version': '1.8.99-dev144746',
@@ -992,7 +992,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Firmware',
       'in_progress': False,
       'installed_version': '1.8.99-dev144746',
@@ -1492,7 +1492,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Beta firmware',
       'in_progress': False,
       'installed_version': '1.8.99-dev144333',
@@ -1554,7 +1554,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Firmware',
       'in_progress': False,
       'installed_version': '1.8.99-dev144333',
@@ -4507,7 +4507,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Beta firmware',
       'in_progress': False,
       'installed_version': '1.8.99-dev134818',
@@ -4569,7 +4569,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Firmware',
       'in_progress': False,
       'installed_version': '1.8.99-dev134818',
@@ -5255,7 +5255,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Beta firmware',
       'in_progress': False,
       'installed_version': '1.8.99',
@@ -5317,7 +5317,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Firmware',
       'in_progress': False,
       'installed_version': '1.8.99',
@@ -6289,7 +6289,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Beta firmware',
       'in_progress': False,
       'installed_version': '2.4.4',
@@ -6351,7 +6351,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Firmware',
       'in_progress': False,
       'installed_version': '2.4.4',
@@ -7363,7 +7363,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Beta firmware',
       'in_progress': False,
       'installed_version': '1.6.1',
@@ -7425,7 +7425,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Firmware',
       'in_progress': False,
       'installed_version': '1.6.1',
@@ -9269,7 +9269,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Beta firmware',
       'in_progress': False,
       'installed_version': '1.6.1',
@@ -9331,7 +9331,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Firmware',
       'in_progress': False,
       'installed_version': '1.6.1',
@@ -11426,7 +11426,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Beta firmware',
       'in_progress': False,
       'installed_version': '1.6.1',
@@ -11488,7 +11488,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/shelly/icon.png',
+      'entity_picture': '/api/brands/integration/shelly/icon.png',
       'friendly_name': 'Test name Firmware',
       'in_progress': False,
       'installed_version': '1.6.1',
diff --git a/tests/components/smartthings/snapshots/test_update.ambr b/tests/components/smartthings/snapshots/test_update.ambr
index 37890cb1165..752f77375bb 100644
--- a/tests/components/smartthings/snapshots/test_update.ambr
+++ b/tests/components/smartthings/snapshots/test_update.ambr
@@ -41,7 +41,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/smartthings/icon.png',
+      'entity_picture': '/api/brands/integration/smartthings/icon.png',
       'friendly_name': 'aq-sensor-3-ikea Firmware',
       'in_progress': False,
       'installed_version': '00010010',
@@ -103,7 +103,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/smartthings/icon.png',
+      'entity_picture': '/api/brands/integration/smartthings/icon.png',
       'friendly_name': 'Radiator Thermostat II [+M] Wohnzimmer Firmware',
       'in_progress': False,
       'installed_version': '2.00.09 (20009)',
@@ -165,7 +165,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/smartthings/icon.png',
+      'entity_picture': '/api/brands/integration/smartthings/icon.png',
       'friendly_name': 'Dimmer Debian Firmware',
       'in_progress': False,
       'installed_version': '16015010',
@@ -227,7 +227,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/smartthings/icon.png',
+      'entity_picture': '/api/brands/integration/smartthings/icon.png',
       'friendly_name': '.Front Door Open/Closed Sensor Firmware',
       'in_progress': False,
       'installed_version': '00000103',
@@ -289,7 +289,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/smartthings/icon.png',
+      'entity_picture': '/api/brands/integration/smartthings/icon.png',
       'friendly_name': 'Kitchen IKEA KADRILJ Window blind Firmware',
       'in_progress': False,
       'installed_version': '22007631',
@@ -351,7 +351,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/smartthings/icon.png',
+      'entity_picture': '/api/brands/integration/smartthings/icon.png',
       'friendly_name': 'Deck Door Firmware',
       'in_progress': False,
       'installed_version': '0000001B',
@@ -413,7 +413,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/smartthings/icon.png',
+      'entity_picture': '/api/brands/integration/smartthings/icon.png',
       'friendly_name': 'Arlo Beta Basestation Firmware',
       'in_progress': False,
       'installed_version': '00102101',
@@ -475,7 +475,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/smartthings/icon.png',
+      'entity_picture': '/api/brands/integration/smartthings/icon.png',
       'friendly_name': 'Basement Door Lock Firmware',
       'in_progress': False,
       'installed_version': '00840847',
diff --git a/tests/components/smlight/snapshots/test_update.ambr b/tests/components/smlight/snapshots/test_update.ambr
index a816f067459..3822d13fcbc 100644
--- a/tests/components/smlight/snapshots/test_update.ambr
+++ b/tests/components/smlight/snapshots/test_update.ambr
@@ -41,7 +41,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/smlight/icon.png',
+      'entity_picture': '/api/brands/integration/smlight/icon.png',
       'friendly_name': 'Mock Title Core firmware',
       'in_progress': False,
       'installed_version': 'v2.3.6',
@@ -103,7 +103,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/smlight/icon.png',
+      'entity_picture': '/api/brands/integration/smlight/icon.png',
       'friendly_name': 'Mock Title Zigbee firmware',
       'in_progress': False,
       'installed_version': '20240314',
diff --git a/tests/components/sonos/snapshots/test_media_browser.ambr b/tests/components/sonos/snapshots/test_media_browser.ambr
index ac9c4298572..08b0696f88e 100644
--- a/tests/components/sonos/snapshots/test_media_browser.ambr
+++ b/tests/components/sonos/snapshots/test_media_browser.ambr
@@ -366,7 +366,7 @@
       'media_class': 'directory',
       'media_content_id': '',
       'media_content_type': 'favorites',
-      'thumbnail': 'https://brands.home-assistant.io/_/sonos/logo.png',
+      'thumbnail': '/api/brands/integration/sonos/logo.png',
       'title': 'Favorites',
     }),
     dict({
@@ -377,7 +377,7 @@
       'media_class': 'directory',
       'media_content_id': '',
       'media_content_type': 'library',
-      'thumbnail': 'https://brands.home-assistant.io/_/sonos/logo.png',
+      'thumbnail': '/api/brands/integration/sonos/logo.png',
       'title': 'Music Library',
     }),
   ])
diff --git a/tests/components/spotify/snapshots/test_media_browser.ambr b/tests/components/spotify/snapshots/test_media_browser.ambr
index 6ebbd869f00..55e600203e1 100644
--- a/tests/components/spotify/snapshots/test_media_browser.ambr
+++ b/tests/components/spotify/snapshots/test_media_browser.ambr
@@ -204,7 +204,7 @@
         'media_class': <MediaClass.APP: 'app'>,
         'media_content_id': 'spotify://01J5TX5A0FF6G5V0QJX6HBC94T',
         'media_content_type': 'spotify://library',
-        'thumbnail': 'https://brands.home-assistant.io/_/spotify/logo.png',
+        'thumbnail': '/api/brands/integration/spotify/logo.png',
         'title': 'spotify_1',
       }),
       dict({
@@ -215,7 +215,7 @@
         'media_class': <MediaClass.APP: 'app'>,
         'media_content_id': 'spotify://32oesphrnacjcf7vw5bf6odx3',
         'media_content_type': 'spotify://library',
-        'thumbnail': 'https://brands.home-assistant.io/_/spotify/logo.png',
+        'thumbnail': '/api/brands/integration/spotify/logo.png',
         'title': 'spotify_2',
       }),
     ]),
@@ -224,7 +224,7 @@
     'media_content_id': 'spotify://',
     'media_content_type': 'spotify',
     'not_shown': 0,
-    'thumbnail': 'https://brands.home-assistant.io/_/spotify/logo.png',
+    'thumbnail': '/api/brands/integration/spotify/logo.png',
     'title': 'Spotify',
   })
 # ---
diff --git a/tests/components/template/snapshots/test_update.ambr b/tests/components/template/snapshots/test_update.ambr
index 479ccb88ffc..7af0b7bcb64 100644
--- a/tests/components/template/snapshots/test_update.ambr
+++ b/tests/components/template/snapshots/test_update.ambr
@@ -4,7 +4,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/template/icon.png',
+      'entity_picture': '/api/brands/integration/template/icon.png',
       'friendly_name': 'template_update',
       'in_progress': False,
       'installed_version': '1.0',
diff --git a/tests/components/template/test_update.py b/tests/components/template/test_update.py
index 104cde73494..eaf8de093dd 100644
--- a/tests/components/template/test_update.py
+++ b/tests/components/template/test_update.py
@@ -272,7 +272,7 @@ async def test_update_templates(
     # ensure that the entity picture exists when not provided.
     assert (
         state.attributes["entity_picture"]
-        == "https://brands.home-assistant.io/_/template/icon.png"
+        == "/api/brands/integration/template/icon.png"
     )
 
 
@@ -524,7 +524,7 @@ async def test_entity_picture_uses_default(hass: HomeAssistant) -> None:
 
     assert (
         state.attributes[ATTR_ENTITY_PICTURE]
-        == "https://brands.home-assistant.io/_/template/icon.png"
+        == "/api/brands/integration/template/icon.png"
     )
 
 
diff --git a/tests/components/tesla_fleet/snapshots/test_update.ambr b/tests/components/tesla_fleet/snapshots/test_update.ambr
index 5a697434fa4..5db5b1edbd5 100644
--- a/tests/components/tesla_fleet/snapshots/test_update.ambr
+++ b/tests/components/tesla_fleet/snapshots/test_update.ambr
@@ -40,7 +40,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/tesla_fleet/icon.png',
+      'entity_picture': '/api/brands/integration/tesla_fleet/icon.png',
       'friendly_name': 'Test Update',
       'in_progress': False,
       'installed_version': '2023.44.30.8',
@@ -101,7 +101,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/tesla_fleet/icon.png',
+      'entity_picture': '/api/brands/integration/tesla_fleet/icon.png',
       'friendly_name': 'Test Update',
       'in_progress': False,
       'installed_version': '2023.44.30.8',
diff --git a/tests/components/teslemetry/snapshots/test_update.ambr b/tests/components/teslemetry/snapshots/test_update.ambr
index 54fa3a05c70..d677e2b2520 100644
--- a/tests/components/teslemetry/snapshots/test_update.ambr
+++ b/tests/components/teslemetry/snapshots/test_update.ambr
@@ -40,7 +40,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/teslemetry/icon.png',
+      'entity_picture': '/api/brands/integration/teslemetry/icon.png',
       'friendly_name': 'Test Update',
       'in_progress': False,
       'installed_version': '2026.0.0',
@@ -101,7 +101,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/teslemetry/icon.png',
+      'entity_picture': '/api/brands/integration/teslemetry/icon.png',
       'friendly_name': 'Test Update',
       'in_progress': False,
       'installed_version': '2024.44.25',
@@ -126,7 +126,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/teslemetry/icon.png',
+      'entity_picture': '/api/brands/integration/teslemetry/icon.png',
       'friendly_name': 'Test Update',
       'in_progress': False,
       'installed_version': '2025.1.1',
@@ -151,7 +151,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/teslemetry/icon.png',
+      'entity_picture': '/api/brands/integration/teslemetry/icon.png',
       'friendly_name': 'Test Update',
       'in_progress': False,
       'installed_version': '2025.1.1',
@@ -176,7 +176,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/teslemetry/icon.png',
+      'entity_picture': '/api/brands/integration/teslemetry/icon.png',
       'friendly_name': 'Test Update',
       'in_progress': False,
       'installed_version': '2025.1.1',
@@ -201,7 +201,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/teslemetry/icon.png',
+      'entity_picture': '/api/brands/integration/teslemetry/icon.png',
       'friendly_name': 'Test Update',
       'in_progress': False,
       'installed_version': '2025.2.1',
@@ -226,7 +226,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/teslemetry/icon.png',
+      'entity_picture': '/api/brands/integration/teslemetry/icon.png',
       'friendly_name': 'Test Update',
       'in_progress': False,
       'installed_version': '2025.2.1',
diff --git a/tests/components/tessie/snapshots/test_update.ambr b/tests/components/tessie/snapshots/test_update.ambr
index 53c6574588e..9ea8b4ab3b8 100644
--- a/tests/components/tessie/snapshots/test_update.ambr
+++ b/tests/components/tessie/snapshots/test_update.ambr
@@ -40,7 +40,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/tessie/icon.png',
+      'entity_picture': '/api/brands/integration/tessie/icon.png',
       'friendly_name': 'Test Update',
       'in_progress': False,
       'installed_version': '2023.38.6',
diff --git a/tests/components/tplink_omada/snapshots/test_update.ambr b/tests/components/tplink_omada/snapshots/test_update.ambr
index ce856b4adf5..c396463733f 100644
--- a/tests/components/tplink_omada/snapshots/test_update.ambr
+++ b/tests/components/tplink_omada/snapshots/test_update.ambr
@@ -41,7 +41,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/tplink_omada/icon.png',
+      'entity_picture': '/api/brands/integration/tplink_omada/icon.png',
       'friendly_name': 'Test PoE Switch Firmware',
       'in_progress': False,
       'installed_version': '1.0.12 Build 20230203 Rel.36545',
@@ -103,7 +103,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/tplink_omada/icon.png',
+      'entity_picture': '/api/brands/integration/tplink_omada/icon.png',
       'friendly_name': 'Test Router Firmware',
       'in_progress': False,
       'installed_version': '1.1.1 Build 20230901 Rel.55651',
diff --git a/tests/components/tts/test_media_source.py b/tests/components/tts/test_media_source.py
index 8ec0de8765d..8ddc493adbc 100644
--- a/tests/components/tts/test_media_source.py
+++ b/tests/components/tts/test_media_source.py
@@ -79,7 +79,7 @@ async def test_browsing(hass: HomeAssistant, setup: str) -> None:
     assert item_child.children is None
     assert item_child.can_play is False
     assert item_child.can_expand is True
-    assert item_child.thumbnail == "https://brands.home-assistant.io/_/test/logo.png"
+    assert item_child.thumbnail == "/api/brands/integration/test/logo.png"
 
     item_child = await media_source.async_browse_media(
         hass, item.children[0].media_content_id + "?message=bla"
diff --git a/tests/components/unifi/snapshots/test_update.ambr b/tests/components/unifi/snapshots/test_update.ambr
index a14470b8f8b..01fcba03d97 100644
--- a/tests/components/unifi/snapshots/test_update.ambr
+++ b/tests/components/unifi/snapshots/test_update.ambr
@@ -41,7 +41,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/unifi/icon.png',
+      'entity_picture': '/api/brands/integration/unifi/icon.png',
       'friendly_name': 'Device 1',
       'in_progress': False,
       'installed_version': '4.0.42.10433',
@@ -103,7 +103,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/unifi/icon.png',
+      'entity_picture': '/api/brands/integration/unifi/icon.png',
       'friendly_name': 'Device 2',
       'in_progress': False,
       'installed_version': '4.0.42.10433',
@@ -165,7 +165,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/unifi/icon.png',
+      'entity_picture': '/api/brands/integration/unifi/icon.png',
       'friendly_name': 'Device 1',
       'in_progress': False,
       'installed_version': '4.0.42.10433',
@@ -227,7 +227,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/unifi/icon.png',
+      'entity_picture': '/api/brands/integration/unifi/icon.png',
       'friendly_name': 'Device 2',
       'in_progress': False,
       'installed_version': '4.0.42.10433',
diff --git a/tests/components/update/test_init.py b/tests/components/update/test_init.py
index ef1ee22bb57..948443ed2fd 100644
--- a/tests/components/update/test_init.py
+++ b/tests/components/update/test_init.py
@@ -81,10 +81,7 @@ async def test_update(hass: HomeAssistant) -> None:
     update._attr_title = "Title"
 
     assert update.entity_category is EntityCategory.DIAGNOSTIC
-    assert (
-        update.entity_picture
-        == "https://brands.home-assistant.io/_/test_platform/icon.png"
-    )
+    assert update.entity_picture == "/api/brands/integration/test_platform/icon.png"
     assert update.installed_version == "1.0.0"
     assert update.latest_version == "1.0.1"
     assert update.release_summary == "Summary"
@@ -991,7 +988,7 @@ async def test_update_percentage_backwards_compatibility(
     expected_attributes = {
         ATTR_AUTO_UPDATE: False,
         ATTR_DISPLAY_PRECISION: 0,
-        ATTR_ENTITY_PICTURE: "https://brands.home-assistant.io/_/test/icon.png",
+        ATTR_ENTITY_PICTURE: "/api/brands/integration/test/icon.png",
         ATTR_FRIENDLY_NAME: "legacy",
         ATTR_INSTALLED_VERSION: "1.0.0",
         ATTR_IN_PROGRESS: False,
diff --git a/tests/components/update/test_recorder.py b/tests/components/update/test_recorder.py
index 68e5f93a757..de4ac8794ca 100644
--- a/tests/components/update/test_recorder.py
+++ b/tests/components/update/test_recorder.py
@@ -40,8 +40,7 @@ async def test_exclude_attributes(
     assert state.attributes[ATTR_IN_PROGRESS] is True
     assert state.attributes[ATTR_UPDATE_PERCENTAGE] == 50
     assert (
-        state.attributes[ATTR_ENTITY_PICTURE]
-        == "https://brands.home-assistant.io/_/test/icon.png"
+        state.attributes[ATTR_ENTITY_PICTURE] == "/api/brands/integration/test/icon.png"
     )
     await async_setup_component(hass, DOMAIN, {})
 
diff --git a/tests/components/uptime_kuma/snapshots/test_update.ambr b/tests/components/uptime_kuma/snapshots/test_update.ambr
index dc6bbb2ca4d..383e7533155 100644
--- a/tests/components/uptime_kuma/snapshots/test_update.ambr
+++ b/tests/components/uptime_kuma/snapshots/test_update.ambr
@@ -40,7 +40,7 @@
     'attributes': ReadOnlyDict({
       'auto_update': False,
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/uptime_kuma/icon.png',
+      'entity_picture': '/api/brands/integration/uptime_kuma/icon.png',
       'friendly_name': 'uptime.example.org Uptime Kuma version',
       'in_progress': False,
       'installed_version': '2.0.0',
diff --git a/tests/components/vesync/snapshots/test_diagnostics.ambr b/tests/components/vesync/snapshots/test_diagnostics.ambr
index 28509cf632d..a599acafccf 100644
--- a/tests/components/vesync/snapshots/test_diagnostics.ambr
+++ b/tests/components/vesync/snapshots/test_diagnostics.ambr
@@ -485,7 +485,7 @@
           'state': dict({
             'attributes': dict({
               'device_class': 'firmware',
-              'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+              'entity_picture': '/api/brands/integration/vesync/icon.png',
               'friendly_name': 'Test Fan Firmware',
               'supported_features': 0,
             }),
diff --git a/tests/components/vesync/snapshots/test_update.ambr b/tests/components/vesync/snapshots/test_update.ambr
index 4a8a8599a4c..a3c66ba3ba6 100644
--- a/tests/components/vesync/snapshots/test_update.ambr
+++ b/tests/components/vesync/snapshots/test_update.ambr
@@ -76,7 +76,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Air Purifier 131s Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
@@ -173,7 +173,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Air Purifier 200s Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
@@ -270,7 +270,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Air Purifier 400s Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
@@ -367,7 +367,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Air Purifier 600s Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
@@ -464,7 +464,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'CS158-AF Air Fryer Cooking Firmware',
       'in_progress': False,
       'installed_version': None,
@@ -561,7 +561,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'CS158-AF Air Fryer Standby Firmware',
       'in_progress': False,
       'installed_version': None,
@@ -656,7 +656,7 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'device_class': 'firmware',
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Dimmable Light Firmware',
       'supported_features': <UpdateEntityFeature: 0>,
     }),
@@ -745,7 +745,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Dimmer Switch Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
@@ -842,7 +842,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Humidifier 200s Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
@@ -939,7 +939,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Humidifier 6000s Firmware',
       'in_progress': False,
       'installed_version': None,
@@ -1036,7 +1036,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Humidifier 600S Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
@@ -1133,7 +1133,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Outlet Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
@@ -1230,7 +1230,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'SmartTowerFan Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
@@ -1327,7 +1327,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Temperature Light Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
@@ -1424,7 +1424,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/vesync/icon.png',
+      'entity_picture': '/api/brands/integration/vesync/icon.png',
       'friendly_name': 'Wall Switch Firmware',
       'in_progress': False,
       'installed_version': '1.0.0',
diff --git a/tests/components/wled/snapshots/test_update.ambr b/tests/components/wled/snapshots/test_update.ambr
index f0c04f26753..42630ab02a5 100644
--- a/tests/components/wled/snapshots/test_update.ambr
+++ b/tests/components/wled/snapshots/test_update.ambr
@@ -5,7 +5,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/wled/icon.png',
+      'entity_picture': '/api/brands/integration/wled/icon.png',
       'friendly_name': 'WLED WebSocket Firmware',
       'in_progress': False,
       'installed_version': '0.99.0',
@@ -31,7 +31,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/wled/icon.png',
+      'entity_picture': '/api/brands/integration/wled/icon.png',
       'friendly_name': 'WLED RGB Light Firmware',
       'in_progress': False,
       'installed_version': '0.14.4',
@@ -93,7 +93,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/wled/icon.png',
+      'entity_picture': '/api/brands/integration/wled/icon.png',
       'friendly_name': 'WLED RGB Light Firmware',
       'in_progress': False,
       'installed_version': '0.14.4',
@@ -119,7 +119,7 @@
       'auto_update': False,
       'device_class': 'firmware',
       'display_precision': 0,
-      'entity_picture': 'https://brands.home-assistant.io/_/wled/icon.png',
+      'entity_picture': '/api/brands/integration/wled/icon.png',
       'friendly_name': 'WLED RGB Light Firmware',
       'in_progress': False,
       'installed_version': '0.14.4',