diff --git a/homeassistant/components/bosch_shc/__init__.py b/homeassistant/components/bosch_shc/__init__.py
index 2b95702e44c..4d076a784d1 100644
--- a/homeassistant/components/bosch_shc/__init__.py
+++ b/homeassistant/components/bosch_shc/__init__.py
@@ -19,7 +19,12 @@ from .const import (
     DOMAIN,
 )
 
-PLATFORMS = [Platform.BINARY_SENSOR, Platform.COVER, Platform.SENSOR, Platform.SWITCH]
+PLATFORMS = [
+    Platform.BINARY_SENSOR,
+    Platform.COVER,
+    Platform.SENSOR,
+    Platform.SWITCH,
+]
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/bosch_shc/entity.py b/homeassistant/components/bosch_shc/entity.py
index c3a981aa658..4ef0e37132d 100644
--- a/homeassistant/components/bosch_shc/entity.py
+++ b/homeassistant/components/bosch_shc/entity.py
@@ -1,5 +1,7 @@
 """Bosch Smart Home Controller base entity."""
-from boschshcpy.device import SHCDevice
+from __future__ import annotations
+
+from boschshcpy import SHCDevice, SHCIntrusionSystem
 
 from homeassistant.helpers.device_registry import async_get as get_dev_reg
 from homeassistant.helpers.entity import DeviceInfo, Entity
@@ -7,7 +9,7 @@ from homeassistant.helpers.entity import DeviceInfo, Entity
 from .const import DOMAIN
 
 
-async def async_remove_devices(hass, entity, entry_id):
+async def async_remove_devices(hass, entity, entry_id) -> None:
     """Get item that is removed from session."""
     dev_registry = get_dev_reg(hass)
     device = dev_registry.async_get_device(
@@ -17,16 +19,42 @@ async def async_remove_devices(hass, entity, entry_id):
         dev_registry.async_update_device(device.id, remove_config_entry_id=entry_id)
 
 
-class SHCEntity(Entity):
-    """Representation of a SHC base entity."""
+class SHCBaseEntity(Entity):
+    """Base representation of a SHC entity."""
 
     _attr_should_poll = False
 
-    def __init__(self, device: SHCDevice, parent_id: str, entry_id: str) -> None:
+    def __init__(
+        self, device: SHCDevice | SHCIntrusionSystem, parent_id: str, entry_id: str
+    ) -> None:
         """Initialize the generic SHC device."""
         self._device = device
         self._entry_id = entry_id
         self._attr_name = device.name
+
+    async def async_added_to_hass(self) -> None:
+        """Subscribe to SHC events."""
+        await super().async_added_to_hass()
+
+        def on_state_changed() -> None:
+            if self._device.deleted:
+                self.hass.add_job(async_remove_devices(self.hass, self, self._entry_id))
+            else:
+                self.schedule_update_ha_state()
+
+        self._device.subscribe_callback(self.entity_id, on_state_changed)
+
+    async def async_will_remove_from_hass(self) -> None:
+        """Unsubscribe from SHC events."""
+        await super().async_will_remove_from_hass()
+        self._device.unsubscribe_callback(self.entity_id)
+
+
+class SHCEntity(SHCBaseEntity):
+    """Representation of a SHC device entity."""
+
+    def __init__(self, device: SHCDevice, parent_id: str, entry_id: str) -> None:
+        """Initialize generic SHC device."""
         self._attr_unique_id = device.serial
         self._attr_device_info = DeviceInfo(
             identifiers={(DOMAIN, device.id)},
@@ -40,32 +68,51 @@ class SHCEntity(Entity):
                 else parent_id,
             ),
         )
+        super().__init__(device=device, parent_id=parent_id, entry_id=entry_id)
 
-    async def async_added_to_hass(self):
+    async def async_added_to_hass(self) -> None:
         """Subscribe to SHC events."""
         await super().async_added_to_hass()
 
-        def on_state_changed():
+        def on_state_changed() -> None:
             self.schedule_update_ha_state()
 
-        def update_entity_information():
-            if self._device.deleted:
-                self.hass.add_job(async_remove_devices(self.hass, self, self._entry_id))
-            else:
-                self.schedule_update_ha_state()
-
         for service in self._device.device_services:
             service.subscribe_callback(self.entity_id, on_state_changed)
-        self._device.subscribe_callback(self.entity_id, update_entity_information)
 
-    async def async_will_remove_from_hass(self):
+    async def async_will_remove_from_hass(self) -> None:
         """Unsubscribe from SHC events."""
         await super().async_will_remove_from_hass()
         for service in self._device.device_services:
             service.unsubscribe_callback(self.entity_id)
-        self._device.unsubscribe_callback(self.entity_id)
 
     @property
-    def available(self):
+    def available(self) -> bool:
         """Return false if status is unavailable."""
         return self._device.status == "AVAILABLE"
+
+
+class SHCDomainEntity(SHCBaseEntity):
+    """Representation of a SHC domain service entity."""
+
+    def __init__(
+        self, domain: SHCIntrusionSystem, parent_id: str, entry_id: str
+    ) -> None:
+        """Initialize the generic SHC device."""
+        self._attr_unique_id = domain.id
+        self._attr_device_info = DeviceInfo(
+            identifiers={(DOMAIN, domain.id)},
+            manufacturer=domain.manufacturer,
+            model=domain.device_model,
+            name=domain.name,
+            via_device=(
+                DOMAIN,
+                parent_id,
+            ),
+        )
+        super().__init__(device=domain, parent_id=parent_id, entry_id=entry_id)
+
+    @property
+    def available(self) -> bool:
+        """Return false if status is unavailable."""
+        return self._device.system_availability