diff --git a/esphome/components/esp32_ble_server/__init__.py b/esphome/components/esp32_ble_server/__init__.py
index 793db92ded..9d12ca1f50 100644
--- a/esphome/components/esp32_ble_server/__init__.py
+++ b/esphome/components/esp32_ble_server/__init__.py
@@ -7,7 +7,7 @@ from esphome.const import (
     CONF_UUID,
     CONF_SERVICES,
     CONF_VALUE,
-    CONF_MAX_LENGTH
+    CONF_MAX_LENGTH,
 )
 from esphome.components import esp32_ble
 from esphome.core import CORE
@@ -65,7 +65,7 @@ PROPERTIES_SCHEMA = cv.All(
             upper=True,
         )
     ),
-    cv.Length(min=1)
+    cv.Length(min=1),
 )
 
 UUID_SCHEMA = cv.Any(cv.All(cv.string, validate_uuid), cv.hex_uint32_t)
@@ -164,7 +164,7 @@ def parse_value(value):
 def calculate_num_handles(service_config):
     total = 1
     for char_conf in service_config[CONF_CHARACTERISTICS]:
-        total += 2 # One for the char_conf itself and one for the value
+        total += 2  # One for the char_conf itself and one for the value
         for _ in char_conf[CONF_DESCRIPTORS]:
             total += 1
     return total
@@ -202,7 +202,7 @@ async def to_code(config):
                 char_conf[CONF_ID],
                 service_var.create_characteristic(
                     parse_uuid(char_conf[CONF_UUID]),
-                    parse_properties(char_conf[CONF_PROPERTIES])
+                    parse_properties(char_conf[CONF_PROPERTIES]),
                 ),
             )
             if CONF_ON_WRITE in char_conf:
@@ -233,6 +233,7 @@ async def to_code(config):
     if CORE.using_esp_idf:
         add_idf_sdkconfig_option("CONFIG_BT_ENABLED", True)
 
+
 @automation.register_action(
     "ble_server.characteristic_set_value",
     BLECharacteristicSetValueAction,
diff --git a/esphome/components/esp32_ble_server/ble_server.cpp b/esphome/components/esp32_ble_server/ble_server.cpp
index da6c85447e..7e4575999f 100644
--- a/esphome/components/esp32_ble_server/ble_server.cpp
+++ b/esphome/components/esp32_ble_server/ble_server.cpp
@@ -63,7 +63,7 @@ void BLEServer::loop() {
         // Remove the services that have been started
         if (index_to_remove > 0) {
           this->services_to_start_.erase(this->services_to_start_.begin(),
-                                        this->services_to_start_.begin() + index_to_remove - 1);
+                                         this->services_to_start_.begin() + index_to_remove - 1);
         }
       }
       break;
@@ -86,7 +86,7 @@ void BLEServer::loop() {
         }
         if (this->device_information_service_ == nullptr) {
           this->device_information_service_ =
-            this->create_service(ESPBTUUID::from_uint16(DEVICE_INFORMATION_SERVICE_UUID), false, 7);
+              this->create_service(ESPBTUUID::from_uint16(DEVICE_INFORMATION_SERVICE_UUID), false, 7);
           this->create_device_characteristics_();
         }
         this->state_ = STARTING_SERVICE;
@@ -152,7 +152,7 @@ BLEService *BLEServer::create_service(ESPBTUUID uuid, bool advertise, uint16_t n
     return nullptr;
   }
   BLEService *service =
-    new BLEService(uuid, num_handles, inst_id, advertise);  // NOLINT(cppcoreguidelines-owning-memory)
+      new BLEService(uuid, num_handles, inst_id, advertise);  // NOLINT(cppcoreguidelines-owning-memory)
   this->services_.emplace(BLEServer::get_service_key(uuid, inst_id), service);
   if (this->parent_->is_active() && this->registered_) {
     service->do_create(this);
diff --git a/esphome/components/esp32_ble_server/ble_server.h b/esphome/components/esp32_ble_server/ble_server.h
index cfe6b97b1f..8ba9e37bd6 100644
--- a/esphome/components/esp32_ble_server/ble_server.h
+++ b/esphome/components/esp32_ble_server/ble_server.h
@@ -31,13 +31,13 @@ class BLEServerAutomationInterface {
   static Trigger<std::string> *create_on_write_trigger(BLECharacteristic *characteristic);
 
   template<typename... Ts> class BLECharacteristicSetValueAction : public Action<Ts...> {
-    public:
-      BLECharacteristicSetValueAction(BLECharacteristic *characteristic) : parent_(characteristic) {}
-      TEMPLATABLE_VALUE(std::string, value)
-      void play(Ts... x) override { this->parent_->set_value(this->value_.value(x...)); }
+  public:
+    BLECharacteristicSetValueAction(BLECharacteristic *characteristic) : parent_(characteristic) {}
+    TEMPLATABLE_VALUE(std::string, value)
+    void play(Ts... x) override { this->parent_->set_value(this->value_.value(x...)); }
 
-    protected:
-      BLECharacteristic *parent_;
+  protected:
+    BLECharacteristic *parent_;
   };
 };
 
diff --git a/esphome/components/esp32_ble_server/ble_service.cpp b/esphome/components/esp32_ble_server/ble_service.cpp
index 7ee434440c..5d735ba4cc 100644
--- a/esphome/components/esp32_ble_server/ble_service.cpp
+++ b/esphome/components/esp32_ble_server/ble_service.cpp
@@ -63,7 +63,7 @@ void BLEService::emit_client_connect(const uint16_t conn_id) {
   this->on_client_connect_(conn_id);
 }
 
-void emit_client_disconnect(const uint16_t conn_id) {
+void BLEService::emit_client_disconnect(const uint16_t conn_id) {
   if (this->on_client_disconnect_ && this->is_running())
   this->on_client_disconnect_(conn_id);
 }