diff --git a/homeassistant/components/google_assistant/helpers.py b/homeassistant/components/google_assistant/helpers.py
index b2cda5522ee..2eeb1903c85 100644
--- a/homeassistant/components/google_assistant/helpers.py
+++ b/homeassistant/components/google_assistant/helpers.py
@@ -15,7 +15,7 @@ from aiohttp.web import json_response
 from awesomeversion import AwesomeVersion
 from yarl import URL
 
-from homeassistant.components import webhook
+from homeassistant.components import matter, webhook
 from homeassistant.const import (
     ATTR_DEVICE_CLASS,
     ATTR_SUPPORTED_FEATURES,
@@ -678,10 +678,18 @@ class GoogleEntity:
         elif area_entry and area_entry.name:
             device["roomHint"] = area_entry.name
 
-        # Add deviceInfo
         if not device_entry:
             return device
 
+        # Add Matter info
+        if "matter" in self.hass.config.components and (
+            matter_info := matter.get_matter_device_info(self.hass, device_entry.id)
+        ):
+            device["matterUniqueId"] = matter_info["unique_id"]
+            device["matterOriginalVendorId"] = matter_info["vendor_id"]
+            device["matterOriginalProductId"] = matter_info["product_id"]
+
+        # Add deviceInfo
         device_info = {}
 
         if device_entry.manufacturer:
diff --git a/homeassistant/components/google_assistant/manifest.json b/homeassistant/components/google_assistant/manifest.json
index 3c7ac043441..e36f6a1ca87 100644
--- a/homeassistant/components/google_assistant/manifest.json
+++ b/homeassistant/components/google_assistant/manifest.json
@@ -1,7 +1,7 @@
 {
   "domain": "google_assistant",
   "name": "Google Assistant",
-  "after_dependencies": ["camera"],
+  "after_dependencies": ["camera", "matter"],
   "codeowners": ["@home-assistant/cloud"],
   "dependencies": ["http"],
   "documentation": "https://www.home-assistant.io/integrations/google_assistant",
diff --git a/tests/components/google_assistant/test_helpers.py b/tests/components/google_assistant/test_helpers.py
index 57915968933..771df137278 100644
--- a/tests/components/google_assistant/test_helpers.py
+++ b/tests/components/google_assistant/test_helpers.py
@@ -14,14 +14,17 @@ from homeassistant.components.google_assistant.const import (
     SOURCE_LOCAL,
     STORE_GOOGLE_LOCAL_WEBHOOK_ID,
 )
+from homeassistant.components.matter.models import MatterDeviceInfo
 from homeassistant.config import async_process_ha_core_config
 from homeassistant.core import HomeAssistant, State
+from homeassistant.helpers import device_registry as dr, entity_registry as er
 from homeassistant.setup import async_setup_component
 from homeassistant.util import dt as dt_util
 
 from . import MockConfig
 
 from tests.common import (
+    MockConfigEntry,
     async_capture_events,
     async_fire_time_changed,
     async_mock_service,
@@ -73,6 +76,56 @@ async def test_google_entity_sync_serialize_with_local_sdk(hass: HomeAssistant)
             assert "customData" not in serialized
 
 
+async def test_google_entity_sync_serialize_with_matter(
+    hass: HomeAssistant,
+    device_registry: dr.DeviceRegistry,
+    entity_registry: er.EntityRegistry,
+) -> None:
+    """Test sync serialize attributes of a GoogleEntity that is also a Matter device."""
+    entry = MockConfigEntry()
+    entry.add_to_hass(hass)
+    device = device_registry.async_get_or_create(
+        config_entry_id=entry.entry_id,
+        manufacturer="Someone",
+        model="Some model",
+        sw_version="Some Version",
+        connections={(dr.CONNECTION_NETWORK_MAC, "12:34:56:AB:CD:EF")},
+    )
+    entity = entity_registry.async_get_or_create(
+        "light",
+        "test",
+        "1235",
+        suggested_object_id="ceiling_lights",
+        device_id=device.id,
+    )
+    hass.states.async_set("light.ceiling_lights", "off")
+
+    entity = helpers.GoogleEntity(
+        hass, MockConfig(hass=hass), hass.states.get("light.ceiling_lights")
+    )
+
+    serialized = entity.sync_serialize(None, "mock-uuid")
+    assert "matterUniqueId" not in serialized
+    assert "matterOriginalVendorId" not in serialized
+    assert "matterOriginalProductId" not in serialized
+
+    hass.config.components.add("matter")
+
+    with patch(
+        "homeassistant.components.matter.get_matter_device_info",
+        return_value=MatterDeviceInfo(
+            unique_id="mock-unique-id",
+            vendor_id="mock-vendor-id",
+            product_id="mock-product-id",
+        ),
+    ):
+        serialized = entity.sync_serialize("mock-user-id", "abcdef")
+
+    assert serialized["matterUniqueId"] == "mock-unique-id"
+    assert serialized["matterOriginalVendorId"] == "mock-vendor-id"
+    assert serialized["matterOriginalProductId"] == "mock-product-id"
+
+
 async def test_config_local_sdk(
     hass: HomeAssistant, hass_client: ClientSessionGenerator
 ) -> None: