diff --git a/esphome/components/esp32_ble_server/__init__.py b/esphome/components/esp32_ble_server/__init__.py
index bf6738ee84..a5db2081b8 100644
--- a/esphome/components/esp32_ble_server/__init__.py
+++ b/esphome/components/esp32_ble_server/__init__.py
@@ -104,7 +104,9 @@ def validate_notify_action(action_char_id):
         CORE.data[_KEY_NOTIFY_REQUIRED] = set()
     CORE.data[_KEY_NOTIFY_REQUIRED].add(action_char_id)
     # Check if the NOTIFY property is set for the characteristic
-    char_notify_value = CORE.data.get(_KEY_NOTIFY_PROVIDED, {}).get(action_char_id, None)
+    char_notify_value = CORE.data.get(_KEY_NOTIFY_PROVIDED, {}).get(
+        action_char_id, None
+    )
     if char_notify_value is not None and not char_notify_value:
         raise cv.Invalid(
             "Missing NOTIFY property for characteristic with notify action"
@@ -364,7 +366,9 @@ async def ble_server_characteristic_set_value(config, action_id, template_arg, a
     BLECharacteristicNotifyAction,
     cv.Schema(
         {
-            cv.Required(CONF_ID): cv.All(cv.use_id(BLECharacteristic), validate_notify_action),
+            cv.Required(CONF_ID): cv.All(
+                cv.use_id(BLECharacteristic), validate_notify_action
+            ),
         }
     ),
 )
diff --git a/esphome/components/esp32_ble_server/ble_server.cpp b/esphome/components/esp32_ble_server/ble_server.cpp
index ce9c53e398..4b4b31183b 100644
--- a/esphome/components/esp32_ble_server/ble_server.cpp
+++ b/esphome/components/esp32_ble_server/ble_server.cpp
@@ -47,7 +47,7 @@ void BLEServer::loop() {
         for (unsigned i = 0; i < this->services_to_start_.size(); i++) {
           BLEService *service = this->services_to_start_[i];
           if (service->is_created()) {
-            service->start();   // Needs to be called once per characteristic in the service
+            service->start();  // Needs to be called once per characteristic in the service
           } else {
             index_to_remove = i + 1;
           }
@@ -126,7 +126,7 @@ bool BLEServer::create_device_characteristics_() {
   BLECharacteristic *manufacturer =
       this->device_information_service_->create_characteristic(MANUFACTURER_UUID, BLECharacteristic::PROPERTY_READ);
   manufacturer->set_value(
-    ByteBuffer::wrap(std::vector<uint8_t>(this->manufacturer_.begin(), this->manufacturer_.end())));
+      ByteBuffer::wrap(std::vector<uint8_t>(this->manufacturer_.begin(), this->manufacturer_.end())));
 
   return true;
 }