diff --git a/homeassistant/components/zoneminder/__init__.py b/homeassistant/components/zoneminder/__init__.py
index c2e57b0448b..241c2729653 100644
--- a/homeassistant/components/zoneminder/__init__.py
+++ b/homeassistant/components/zoneminder/__init__.py
@@ -7,8 +7,6 @@ import voluptuous as vol
 from zoneminder.zm import ZoneMinder
 
 from homeassistant.const import (
-    ATTR_ID,
-    ATTR_NAME,
     CONF_HOST,
     CONF_PASSWORD,
     CONF_PATH,
@@ -17,11 +15,14 @@ from homeassistant.const import (
     CONF_VERIFY_SSL,
     Platform,
 )
-from homeassistant.core import HomeAssistant, ServiceCall
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.discovery import async_load_platform
 from homeassistant.helpers.typing import ConfigType
 
+from .const import DOMAIN
+from .services import register_services
+
 _LOGGER = logging.getLogger(__name__)
 
 CONF_PATH_ZMS = "path_zms"
@@ -31,7 +32,6 @@ DEFAULT_PATH_ZMS = "/zm/cgi-bin/nph-zms"
 DEFAULT_SSL = False
 DEFAULT_TIMEOUT = 10
 DEFAULT_VERIFY_SSL = True
-DOMAIN = "zoneminder"
 
 HOST_CONFIG_SCHEMA = vol.Schema(
     {
@@ -49,11 +49,6 @@ CONFIG_SCHEMA = vol.Schema(
     {DOMAIN: vol.All(cv.ensure_list, [HOST_CONFIG_SCHEMA])}, extra=vol.ALLOW_EXTRA
 )
 
-SERVICE_SET_RUN_STATE = "set_run_state"
-SET_RUN_STATE_SCHEMA = vol.Schema(
-    {vol.Required(ATTR_ID): cv.string, vol.Required(ATTR_NAME): cv.string}
-)
-
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the ZoneMinder component."""
@@ -86,22 +81,7 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
                 ex,
             )
 
-    def set_active_state(call: ServiceCall) -> None:
-        """Set the ZoneMinder run state to the given state name."""
-        zm_id = call.data[ATTR_ID]
-        state_name = call.data[ATTR_NAME]
-        if zm_id not in hass.data[DOMAIN]:
-            _LOGGER.error("Invalid ZoneMinder host provided: %s", zm_id)
-        if not hass.data[DOMAIN][zm_id].set_active_state(state_name):
-            _LOGGER.error(
-                "Unable to change ZoneMinder state. Host: %s, state: %s",
-                zm_id,
-                state_name,
-            )
-
-    hass.services.async_register(
-        DOMAIN, SERVICE_SET_RUN_STATE, set_active_state, schema=SET_RUN_STATE_SCHEMA
-    )
+    register_services(hass)
 
     hass.async_create_task(
         async_load_platform(hass, Platform.BINARY_SENSOR, DOMAIN, {}, config)
diff --git a/homeassistant/components/zoneminder/const.py b/homeassistant/components/zoneminder/const.py
new file mode 100644
index 00000000000..82423adb790
--- /dev/null
+++ b/homeassistant/components/zoneminder/const.py
@@ -0,0 +1,3 @@
+"""Support for ZoneMinder."""
+
+DOMAIN = "zoneminder"
diff --git a/homeassistant/components/zoneminder/services.py b/homeassistant/components/zoneminder/services.py
new file mode 100644
index 00000000000..14ce873ec14
--- /dev/null
+++ b/homeassistant/components/zoneminder/services.py
@@ -0,0 +1,40 @@
+"""Support for ZoneMinder."""
+
+import logging
+
+import voluptuous as vol
+
+from homeassistant.const import ATTR_ID, ATTR_NAME
+from homeassistant.core import HomeAssistant, ServiceCall
+from homeassistant.helpers import config_validation as cv
+
+from .const import DOMAIN
+
+_LOGGER = logging.getLogger(__name__)
+
+SERVICE_SET_RUN_STATE = "set_run_state"
+SET_RUN_STATE_SCHEMA = vol.Schema(
+    {vol.Required(ATTR_ID): cv.string, vol.Required(ATTR_NAME): cv.string}
+)
+
+
+def _set_active_state(call: ServiceCall) -> None:
+    """Set the ZoneMinder run state to the given state name."""
+    zm_id = call.data[ATTR_ID]
+    state_name = call.data[ATTR_NAME]
+    if zm_id not in call.hass.data[DOMAIN]:
+        _LOGGER.error("Invalid ZoneMinder host provided: %s", zm_id)
+    if not call.hass.data[DOMAIN][zm_id].set_active_state(state_name):
+        _LOGGER.error(
+            "Unable to change ZoneMinder state. Host: %s, state: %s",
+            zm_id,
+            state_name,
+        )
+
+
+def register_services(hass: HomeAssistant) -> None:
+    """Register ZoneMinder services."""
+
+    hass.services.async_register(
+        DOMAIN, SERVICE_SET_RUN_STATE, _set_active_state, schema=SET_RUN_STATE_SCHEMA
+    )