diff --git a/homeassistant/components/smlight/__init__.py b/homeassistant/components/smlight/__init__.py
index a6d7bbd14ea..b815b4d74a2 100644
--- a/homeassistant/components/smlight/__init__.py
+++ b/homeassistant/components/smlight/__init__.py
@@ -19,6 +19,7 @@ PLATFORMS: list[Platform] = [
     Platform.BINARY_SENSOR,
     Platform.BUTTON,
     Platform.LIGHT,
+    Platform.REMOTE,
     Platform.SENSOR,
     Platform.SWITCH,
     Platform.UPDATE,
diff --git a/homeassistant/components/smlight/remote.py b/homeassistant/components/smlight/remote.py
new file mode 100644
index 00000000000..4976c7688f2
--- /dev/null
+++ b/homeassistant/components/smlight/remote.py
@@ -0,0 +1,70 @@
+"""Remote platform for SLZB-Ultima."""
+
+import asyncio
+from collections.abc import Iterable
+from typing import Any
+
+from pysmlight.exceptions import SmlightError
+from pysmlight.models import IRPayload
+
+from homeassistant.components.remote import (
+    ATTR_DELAY_SECS,
+    ATTR_NUM_REPEATS,
+    DEFAULT_DELAY_SECS,
+    DEFAULT_NUM_REPEATS,
+    RemoteEntity,
+)
+from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import HomeAssistantError
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from .const import DOMAIN
+from .coordinator import SmConfigEntry, SmDataUpdateCoordinator
+from .entity import SmEntity
+
+PARALLEL_UPDATES = 1
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: SmConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Initialize remote for SLZB-Ultima device."""
+    coordinator = entry.runtime_data.data
+
+    if coordinator.data.info.has_peripherals:
+        async_add_entities([SmRemoteEntity(coordinator)])
+
+
+class SmRemoteEntity(SmEntity, RemoteEntity):
+    """Representation of a SLZB-Ultima remote."""
+
+    _attr_translation_key = "remote"
+    _attr_is_on = True
+
+    def __init__(self, coordinator: SmDataUpdateCoordinator) -> None:
+        """Initialize the SLZB-Ultima remote."""
+        super().__init__(coordinator)
+        self._attr_unique_id = f"{coordinator.unique_id}-remote"
+
+    async def async_send_command(self, command: Iterable[str], **kwargs: Any) -> None:
+        """Send a sequence of commands to a device."""
+        num_repeats = kwargs.get(ATTR_NUM_REPEATS, DEFAULT_NUM_REPEATS)
+        delay_secs = kwargs.get(ATTR_DELAY_SECS, DEFAULT_DELAY_SECS)
+
+        for _ in range(num_repeats):
+            for cmd in command:
+                try:
+                    await self.coordinator.async_execute_command(
+                        self.coordinator.client.actions.send_ir_code,
+                        IRPayload(code=cmd),
+                    )
+                except SmlightError as err:
+                    raise HomeAssistantError(
+                        translation_domain=DOMAIN,
+                        translation_key="send_ir_code_failed",
+                        translation_placeholders={"error": str(err)},
+                    ) from err
+
+                await asyncio.sleep(delay_secs)
diff --git a/homeassistant/components/smlight/strings.json b/homeassistant/components/smlight/strings.json
index 6fbac239207..10310d4c6ef 100644
--- a/homeassistant/components/smlight/strings.json
+++ b/homeassistant/components/smlight/strings.json
@@ -84,6 +84,11 @@
         "name": "Ambilight"
       }
     },
+    "remote": {
+      "remote": {
+        "name": "IR Remote"
+      }
+    },
     "sensor": {
       "core_temperature": {
         "name": "Core chip temp"
@@ -159,6 +164,9 @@
     },
     "firmware_update_failed": {
       "message": "Firmware update failed for {device_name}."
+    },
+    "send_ir_code_failed": {
+      "message": "Failed to send IR code: {error}."
     }
   },
   "issues": {
diff --git a/tests/components/smlight/test_remote.py b/tests/components/smlight/test_remote.py
new file mode 100644
index 00000000000..26382f08337
--- /dev/null
+++ b/tests/components/smlight/test_remote.py
@@ -0,0 +1,157 @@
+"""Tests for SLZB-Ultima remote entity."""
+
+from unittest.mock import MagicMock, patch
+
+from pysmlight import Info
+from pysmlight.exceptions import SmlightError
+from pysmlight.models import IRPayload
+import pytest
+
+from homeassistant.components.remote import (
+    ATTR_COMMAND,
+    ATTR_DELAY_SECS,
+    ATTR_NUM_REPEATS,
+    DOMAIN as REMOTE_DOMAIN,
+    SERVICE_SEND_COMMAND,
+)
+from homeassistant.const import ATTR_ENTITY_ID, Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import HomeAssistantError
+
+from .conftest import setup_integration
+
+from tests.common import MockConfigEntry
+
+
+@pytest.fixture
+def platforms() -> list[Platform]:
+    """Platforms, which should be loaded during the test."""
+    return [Platform.REMOTE]
+
+
+MOCK_ULTIMA = Info(
+    MAC="AA:BB:CC:DD:EE:FF",
+    model="SLZB-Ultima3",
+)
+
+
+async def test_remote_setup_ultima(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mock_smlight_client: MagicMock,
+) -> None:
+    """Test remote entity is created for Ultima devices."""
+    mock_smlight_client.get_info.side_effect = None
+    mock_smlight_client.get_info.return_value = MOCK_ULTIMA
+    await setup_integration(hass, mock_config_entry)
+
+    state = hass.states.get("remote.mock_title_ir_remote")
+    assert state is not None
+
+
+async def test_remote_not_created_non_ultima(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mock_smlight_client: MagicMock,
+) -> None:
+    """Test remote entity is not created for non-Ultima devices."""
+    mock_smlight_client.get_info.side_effect = None
+    mock_smlight_client.get_info.return_value = Info(
+        MAC="AA:BB:CC:DD:EE:FF",
+        model="SLZB-MR1",
+    )
+    await setup_integration(hass, mock_config_entry)
+
+    state = hass.states.get("remote.mock_title_ir_remote")
+    assert state is None
+
+
+async def test_remote_send_command(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mock_smlight_client: MagicMock,
+) -> None:
+    """Test sending IR command."""
+    mock_smlight_client.get_info.side_effect = None
+    mock_smlight_client.get_info.return_value = MOCK_ULTIMA
+    await setup_integration(hass, mock_config_entry)
+
+    entity_id = "remote.mock_title_ir_remote"
+    state = hass.states.get(entity_id)
+    assert state is not None
+
+    await hass.services.async_call(
+        REMOTE_DOMAIN,
+        SERVICE_SEND_COMMAND,
+        {
+            ATTR_ENTITY_ID: entity_id,
+            ATTR_COMMAND: ["my_code", "another_code"],
+            ATTR_DELAY_SECS: 0,
+        },
+        blocking=True,
+    )
+
+    assert mock_smlight_client.actions.send_ir_code.call_count == 2
+    mock_smlight_client.actions.send_ir_code.assert_any_call(IRPayload(code="my_code"))
+    mock_smlight_client.actions.send_ir_code.assert_any_call(
+        IRPayload(code="another_code")
+    )
+
+
+async def test_remote_send_command_error(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mock_smlight_client: MagicMock,
+) -> None:
+    """Test connection error handling."""
+    mock_smlight_client.get_info.side_effect = None
+    mock_smlight_client.get_info.return_value = MOCK_ULTIMA
+    await setup_integration(hass, mock_config_entry)
+
+    entity_id = "remote.mock_title_ir_remote"
+    state = hass.states.get(entity_id)
+    assert state is not None
+
+    mock_smlight_client.actions.send_ir_code.side_effect = SmlightError("Failed")
+
+    with pytest.raises(HomeAssistantError) as exc_info:
+        await hass.services.async_call(
+            REMOTE_DOMAIN,
+            SERVICE_SEND_COMMAND,
+            {ATTR_ENTITY_ID: entity_id, ATTR_COMMAND: ["my_code"]},
+            blocking=True,
+        )
+    assert exc_info.value.translation_key == "send_ir_code_failed"
+
+
+@patch("homeassistant.components.smlight.remote.asyncio.sleep")
+async def test_remote_send_command_repeats(
+    mock_sleep: MagicMock,
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mock_smlight_client: MagicMock,
+) -> None:
+    """Test sending IR command with repeats and delay."""
+    mock_smlight_client.get_info.side_effect = None
+    mock_smlight_client.get_info.return_value = MOCK_ULTIMA
+    await setup_integration(hass, mock_config_entry)
+
+    entity_id = "remote.mock_title_ir_remote"
+    state = hass.states.get(entity_id)
+    assert state is not None
+
+    await hass.services.async_call(
+        REMOTE_DOMAIN,
+        SERVICE_SEND_COMMAND,
+        {
+            ATTR_ENTITY_ID: entity_id,
+            ATTR_COMMAND: ["my_code", "another_code"],
+            ATTR_NUM_REPEATS: 2,
+            ATTR_DELAY_SECS: 0.5,
+        },
+        blocking=True,
+    )
+
+    assert mock_smlight_client.actions.send_ir_code.call_count == 4
+    assert mock_sleep.call_count == 5
+    mock_sleep.assert_called_with(0.5)