diff --git a/homeassistant/components/sonos/const.py b/homeassistant/components/sonos/const.py
index 07d7d11ea461..83828ba3cea2 100644
--- a/homeassistant/components/sonos/const.py
+++ b/homeassistant/components/sonos/const.py
@@ -213,3 +213,6 @@ SCAN_INTERVAL = datetime.timedelta(seconds=10)
 DISCOVERY_INTERVAL = datetime.timedelta(seconds=60)
 SUBSCRIPTION_TIMEOUT = 1200
 LONG_SERVICE_TIMEOUT = 30.0
+
+# Same as the Plex integration, which is only imported when used
+PLEX_URI_SCHEME = "plex://"
diff --git a/homeassistant/components/sonos/media_browser.py b/homeassistant/components/sonos/media_browser.py
index a7d7404afaad..078ba041ebba 100644
--- a/homeassistant/components/sonos/media_browser.py
+++ b/homeassistant/components/sonos/media_browser.py
@@ -11,7 +11,7 @@ from soco.data_structures import DidlContainer, DidlObject
 from soco.ms_data_structures import MusicServiceItem
 from soco.music_library import MusicLibrary
 
-from homeassistant.components import media_source, plex, spotify
+from homeassistant.components import media_source
 from homeassistant.components.media_player import (
     BrowseError,
     BrowseMedia,
@@ -152,18 +152,25 @@ async def async_browse_media(
             hass, media_content_id, content_filter=media_source_filter
         )
 
-    if plex.is_plex_media_id(media_content_id):
-        return await plex.async_browse_media(
-            hass, media_content_type, media_content_id, platform=DOMAIN
-        )
+    # Plex and Spotify are only imported once set up, as they are heavy to load
+    if "plex" in hass.config.components:
+        from homeassistant.components import plex  # noqa: PLC0415
 
-    if media_content_type == "plex":
-        return await plex.async_browse_media(hass, None, None, platform=DOMAIN)
+        if plex.is_plex_media_id(media_content_id):
+            return await plex.async_browse_media(
+                hass, media_content_type, media_content_id, platform=DOMAIN
+            )
 
-    if spotify.is_spotify_media_type(media_content_type):
-        return await spotify.async_browse_media(
-            hass, media_content_type, media_content_id, can_play_artist=False
-        )
+        if media_content_type == "plex":
+            return await plex.async_browse_media(hass, None, None, platform=DOMAIN)
+
+    if "spotify" in hass.config.components:
+        from homeassistant.components import spotify  # noqa: PLC0415
+
+        if spotify.is_spotify_media_type(media_content_type):
+            return await spotify.async_browse_media(
+                hass, media_content_type, media_content_id, can_play_artist=False
+            )
 
     if media_content_type == "library":
         return await hass.async_add_executor_job(
@@ -420,6 +427,8 @@ async def root_payload(
         )
 
     if "spotify" in hass.config.components:
+        from homeassistant.components import spotify  # noqa: PLC0415
+
         result = await spotify.async_browse_media(hass, None, None)
         if result.children:
             children.extend(result.children)
diff --git a/homeassistant/components/sonos/media_player.py b/homeassistant/components/sonos/media_player.py
index 11ad112bce8d..f41990318dd3 100644
--- a/homeassistant/components/sonos/media_player.py
+++ b/homeassistant/components/sonos/media_player.py
@@ -20,7 +20,7 @@ from soco.ms_data_structures import MusicServiceItem
 from sonos_websocket import CLIP_ID_KEY
 from sonos_websocket.exception import SonosWebsocketError
 
-from homeassistant.components import media_source, spotify
+from homeassistant.components import media_source
 from homeassistant.components.media_player import (
     ATTR_MEDIA_ALBUM_NAME,
     ATTR_MEDIA_ANNOUNCE,
@@ -41,10 +41,6 @@ from homeassistant.components.media_player import (
     SearchMediaQuery,
     async_process_play_media_url,
 )
-from homeassistant.components.plex import PLEX_URI_SCHEME
-from homeassistant.components.plex.services import (  # pylint: disable=home-assistant-component-root-import
-    process_plex_payload,
-)
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.exceptions import HomeAssistantError, ServiceValidationError
 from homeassistant.helpers import entity_registry as er
@@ -63,6 +59,7 @@ from .const import (
     MODELS_LINEIN_ONLY,
     MODELS_TV_ONLY,
     PLAYABLE_MEDIA_TYPES,
+    PLEX_URI_SCHEME,
     SONOS_CREATE_MEDIA_PLAYER,
     SONOS_FAVORITES_UPDATED,
     SONOS_MEDIA_UPDATED,
@@ -561,9 +558,13 @@ class SonosMediaPlayerEntity(SonosEntity, MediaPlayerEntity):
                     },
                 )
 
-        if spotify.is_spotify_media_type(media_type):
-            media_type = spotify.resolve_spotify_media_type(media_type)
-            media_id = spotify.spotify_uri_from_media_browser_url(media_id)
+        # Spotify is only imported once set up, as it is heavy to load
+        if "spotify" in self.hass.config.components:
+            from homeassistant.components import spotify  # noqa: PLC0415
+
+            if spotify.is_spotify_media_type(media_type):
+                media_type = spotify.resolve_spotify_media_type(media_type)
+                media_id = spotify.spotify_uri_from_media_browser_url(media_id)
 
         await self.hass.async_add_executor_job(
             partial(self._play_media, media_type, media_id, is_radio, **kwargs)
@@ -586,6 +587,11 @@ class SonosMediaPlayerEntity(SonosEntity, MediaPlayerEntity):
 
         soco = self.coordinator.soco
         if media_id and media_id.startswith(PLEX_URI_SCHEME):
+            # Runs in the executor, only load Plex when playing Plex media
+            from homeassistant.components.plex.services import (  # noqa: PLC0415 # pylint: disable=home-assistant-component-root-import
+                process_plex_payload,
+            )
+
             plex_plugin = self.speaker.plex_plugin
             result = process_plex_payload(
                 self.hass, media_type, media_id, supports_playqueues=False
diff --git a/tests/components/sonos/test_media_browser.py b/tests/components/sonos/test_media_browser.py
index 27f420c818de..40f81529f6cf 100644
--- a/tests/components/sonos/test_media_browser.py
+++ b/tests/components/sonos/test_media_browser.py
@@ -1,7 +1,7 @@
 """Tests for the Sonos Media Browser."""
 
 from functools import partial
-from unittest.mock import MagicMock, Mock
+from unittest.mock import MagicMock, Mock, patch
 
 import pytest
 from syrupy.assertion import SnapshotAssertion
@@ -269,6 +269,118 @@ async def test_browse_media_root(
     assert response["result"]["children"] == snapshot
 
 
+@pytest.mark.parametrize(
+    ("media_content_type", "media_content_id", "target", "expected_args", "kwargs"),
+    [
+        pytest.param(
+            "music",
+            "plex://1/2",
+            "homeassistant.components.plex.async_browse_media",
+            ("music", "plex://1/2"),
+            {"platform": "sonos"},
+            id="plex_item",
+        ),
+        pytest.param(
+            "plex",
+            "",
+            "homeassistant.components.plex.async_browse_media",
+            (None, None),
+            {"platform": "sonos"},
+            id="plex_root",
+        ),
+        pytest.param(
+            "spotify://library",
+            "spotify://entry_id",
+            "homeassistant.components.spotify.async_browse_media",
+            ("spotify://library", "spotify://entry_id"),
+            {"can_play_artist": False},
+            id="spotify",
+        ),
+    ],
+)
+@pytest.mark.usefixtures("soco_factory", "async_autosetup_sonos", "soco")
+async def test_browse_media_plex_spotify(
+    hass: HomeAssistant,
+    hass_ws_client: WebSocketGenerator,
+    media_content_type: str,
+    media_content_id: str,
+    target: str,
+    expected_args: tuple[str | None, str | None],
+    kwargs: dict[str, str | bool],
+) -> None:
+    """Test browsing is passed to Plex and Spotify when they are set up."""
+    hass.config.components.update({"plex", "spotify"})
+    result = BrowseMedia(
+        title="Result",
+        media_class=MediaClass.DIRECTORY,
+        media_content_id="result",
+        media_content_type="result",
+        can_play=False,
+        can_expand=True,
+    )
+
+    client = await hass_ws_client()
+    with patch(target, return_value=result) as mock_browse:
+        await client.send_json(
+            {
+                "id": 1,
+                "type": "media_player/browse_media",
+                "entity_id": "media_player.zone_a",
+                "media_content_id": media_content_id,
+                "media_content_type": media_content_type,
+            }
+        )
+        response = await client.receive_json()
+
+    assert response["success"]
+    assert response["result"]["title"] == "Result"
+    mock_browse.assert_called_once_with(hass, *expected_args, **kwargs)
+
+
+@pytest.mark.usefixtures("soco_factory", "async_autosetup_sonos", "soco")
+async def test_browse_media_root_spotify(
+    hass: HomeAssistant, hass_ws_client: WebSocketGenerator
+) -> None:
+    """Test the root includes Spotify when it is set up."""
+    hass.config.components.add("spotify")
+    spotify_item = BrowseMedia(
+        title="Spotify",
+        media_class=MediaClass.APP,
+        media_content_id="spotify://entry_id",
+        media_content_type="spotify://library",
+        can_play=False,
+        can_expand=True,
+    )
+    spotify_root = BrowseMedia(
+        title="Spotify",
+        media_class=MediaClass.APP,
+        media_content_id="spotify://",
+        media_content_type="spotify",
+        can_play=False,
+        can_expand=True,
+        children=[spotify_item],
+    )
+
+    client = await hass_ws_client()
+    with patch(
+        "homeassistant.components.spotify.async_browse_media",
+        return_value=spotify_root,
+    ):
+        await client.send_json(
+            {
+                "id": 1,
+                "type": "media_player/browse_media",
+                "entity_id": "media_player.zone_a",
+            }
+        )
+        response = await client.receive_json()
+
+    assert response["success"]
+    assert "spotify://entry_id" in [
+        child["media_content_id"] for child in response["result"]["children"]
+    ]
+
+
 async def test_browse_media_library(
     hass: HomeAssistant,
     soco_factory: SoCoMockFactory,
diff --git a/tests/components/sonos/test_media_player.py b/tests/components/sonos/test_media_player.py
index 15c1299a6cd7..601dcc3e0a1b 100644
--- a/tests/components/sonos/test_media_player.py
+++ b/tests/components/sonos/test_media_player.py
@@ -537,6 +537,28 @@ async def test_play_media_share_link_add(
     )
 
 
+@pytest.mark.usefixtures("soco_factory", "async_autosetup_sonos")
+async def test_play_media_spotify_media_browser_url(
+    hass: HomeAssistant, soco_sharelink: MagicMock
+) -> None:
+    """Tests playing a Spotify media browser URL when Spotify is set up."""
+    hass.config.components.add("spotify")
+    await hass.services.async_call(
+        MP_DOMAIN,
+        SERVICE_PLAY_MEDIA,
+        {
+            ATTR_ENTITY_ID: "media_player.zone_a",
+            ATTR_MEDIA_CONTENT_TYPE: "spotify://playlist",
+            ATTR_MEDIA_CONTENT_ID: f"spotify://01J5TX5A0FF6G5V0QJX6HBC94T/{_share_link}",
+        },
+        blocking=True,
+    )
+    assert soco_sharelink.add_share_link_to_queue.call_count == 1
+    assert (
+        soco_sharelink.add_share_link_to_queue.call_args_list[0].args[0] == _share_link
+    )
+
+
 async def test_play_media_share_link_next(
     hass: HomeAssistant,
     soco_factory: SoCoMockFactory,