diff --git a/homeassistant/components/system_bridge/__init__.py b/homeassistant/components/system_bridge/__init__.py
index 74be1faed40..392273dee45 100644
--- a/homeassistant/components/system_bridge/__init__.py
+++ b/homeassistant/components/system_bridge/__init__.py
@@ -286,6 +286,7 @@ class SystemBridgeEntity(CoordinatorEntity[SystemBridgeDataUpdateCoordinator]):
             f"http://{self._hostname}:{api_port}/app/settings.html"
         )
         self._mac_address = coordinator.data.system.mac_address
+        self._uuid = coordinator.data.system.uuid
         self._version = coordinator.data.system.version
 
     @property
@@ -298,16 +299,13 @@ class SystemBridgeEntity(CoordinatorEntity[SystemBridgeDataUpdateCoordinator]):
         """Return the name of the entity."""
         return self._name
 
-
-class SystemBridgeDeviceEntity(SystemBridgeEntity):
-    """Defines a System Bridge device entity."""
-
     @property
     def device_info(self) -> DeviceInfo:
         """Return device information about this System Bridge instance."""
         return DeviceInfo(
             configuration_url=self._configuration_url,
             connections={(dr.CONNECTION_NETWORK_MAC, self._mac_address)},
+            identifiers={(DOMAIN, self._uuid)},
             name=self._hostname,
             sw_version=self._version,
         )
diff --git a/homeassistant/components/system_bridge/binary_sensor.py b/homeassistant/components/system_bridge/binary_sensor.py
index 9225aebf492..8feb1114285 100644
--- a/homeassistant/components/system_bridge/binary_sensor.py
+++ b/homeassistant/components/system_bridge/binary_sensor.py
@@ -14,7 +14,7 @@ from homeassistant.const import CONF_PORT
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from . import SystemBridgeDeviceEntity
+from . import SystemBridgeEntity
 from .const import DOMAIN
 from .coordinator import SystemBridgeDataUpdateCoordinator
 
@@ -72,7 +72,7 @@ async def async_setup_entry(
     async_add_entities(entities)
 
 
-class SystemBridgeBinarySensor(SystemBridgeDeviceEntity, BinarySensorEntity):
+class SystemBridgeBinarySensor(SystemBridgeEntity, BinarySensorEntity):
     """Define a System Bridge binary sensor."""
 
     entity_description: SystemBridgeBinarySensorEntityDescription
diff --git a/homeassistant/components/system_bridge/sensor.py b/homeassistant/components/system_bridge/sensor.py
index bdfe5047e56..f9d6e09f0c6 100644
--- a/homeassistant/components/system_bridge/sensor.py
+++ b/homeassistant/components/system_bridge/sensor.py
@@ -29,7 +29,7 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import StateType
 from homeassistant.util.dt import utcnow
 
-from . import SystemBridgeDeviceEntity
+from . import SystemBridgeEntity
 from .const import DOMAIN
 from .coordinator import SystemBridgeCoordinatorData, SystemBridgeDataUpdateCoordinator
 
@@ -512,7 +512,7 @@ async def async_setup_entry(
     async_add_entities(entities)
 
 
-class SystemBridgeSensor(SystemBridgeDeviceEntity, SensorEntity):
+class SystemBridgeSensor(SystemBridgeEntity, SensorEntity):
     """Define a System Bridge sensor."""
 
     entity_description: SystemBridgeSensorEntityDescription