diff --git a/.strict-typing b/.strict-typing
index f92ede38c19..cd43c375439 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -110,6 +110,7 @@ homeassistant.components.bond.*
 homeassistant.components.braviatv.*
 homeassistant.components.brother.*
 homeassistant.components.browser.*
+homeassistant.components.bthome.*
 homeassistant.components.button.*
 homeassistant.components.calendar.*
 homeassistant.components.camera.*
diff --git a/homeassistant/components/bthome/config_flow.py b/homeassistant/components/bthome/config_flow.py
index a728efdf05a..26bf1186a1d 100644
--- a/homeassistant/components/bthome/config_flow.py
+++ b/homeassistant/components/bthome/config_flow.py
@@ -75,7 +75,7 @@ class BTHomeConfigFlow(ConfigFlow, domain=DOMAIN):
         errors = {}
 
         if user_input is not None:
-            bindkey = user_input["bindkey"]
+            bindkey: str = user_input["bindkey"]
 
             if len(bindkey) != 32:
                 errors["bindkey"] = "expected_32_characters"
@@ -173,8 +173,8 @@ class BTHomeConfigFlow(ConfigFlow, domain=DOMAIN):
         # Otherwise there wasn't actually encryption so abort
         return self.async_abort(reason="reauth_successful")
 
-    def _async_get_or_create_entry(self, bindkey=None):
-        data = {}
+    def _async_get_or_create_entry(self, bindkey: str | None = None) -> FlowResult:
+        data: dict[str, Any] = {}
         if bindkey:
             data["bindkey"] = bindkey
 
diff --git a/homeassistant/components/bthome/device_trigger.py b/homeassistant/components/bthome/device_trigger.py
index a81c30eee85..6bcc1635aff 100644
--- a/homeassistant/components/bthome/device_trigger.py
+++ b/homeassistant/components/bthome/device_trigger.py
@@ -66,7 +66,7 @@ async def async_validate_trigger_config(
     hass: HomeAssistant, config: ConfigType
 ) -> ConfigType:
     """Validate trigger config."""
-    return SCHEMA_BY_EVENT_CLASS.get(config[CONF_TYPE], DEVICE_TRIGGER_BASE_SCHEMA)(
+    return SCHEMA_BY_EVENT_CLASS.get(config[CONF_TYPE], DEVICE_TRIGGER_BASE_SCHEMA)(  # type: ignore[no-any-return]
         config
     )
 
diff --git a/mypy.ini b/mypy.ini
index bd975096ea4..361bdd63047 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -860,6 +860,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.bthome.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.button.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true