diff --git a/esphome/components/zhlt01/zhlt01.h b/esphome/components/zhlt01/zhlt01.h
index 61fc2cc16a..dba9ca8f3d 100644
--- a/esphome/components/zhlt01/zhlt01.h
+++ b/esphome/components/zhlt01/zhlt01.h
@@ -142,7 +142,7 @@ static const float AC1_TEMP_MIN = 16.0f;
 static const float AC1_TEMP_MAX = 32.0f;
 static const float AC1_TEMP_INC = 1.0f;
 
-class ZHLT01Climate : public climate_ir::ClimateIR {
+class ZHLT01Climate final : public climate_ir::ClimateIR {
  public:
   ZHLT01Climate()
       : climate_ir::ClimateIR(
diff --git a/esphome/components/zigbee/automation.h b/esphome/components/zigbee/automation.h
index 55ee9746ea..1f953100d9 100644
--- a/esphome/components/zigbee/automation.h
+++ b/esphome/components/zigbee/automation.h
@@ -9,7 +9,7 @@
 #endif
 namespace esphome::zigbee {
 
-template<typename... Ts> class FactoryResetAction : public Action<Ts...>, public Parented<ZigbeeComponent> {
+template<typename... Ts> class FactoryResetAction final : public Action<Ts...>, public Parented<ZigbeeComponent> {
  public:
   void play(const Ts &...x) override { this->parent_->factory_reset(); }
 };
diff --git a/esphome/components/zigbee/time/zigbee_time_zephyr.h b/esphome/components/zigbee/time/zigbee_time_zephyr.h
index 3c2adc4b5f..be2cff786e 100644
--- a/esphome/components/zigbee/time/zigbee_time_zephyr.h
+++ b/esphome/components/zigbee/time/zigbee_time_zephyr.h
@@ -12,7 +12,7 @@ extern "C" {
 
 namespace esphome::zigbee {
 
-class ZigbeeTime : public time::RealTimeClock, public ZigbeeEntity {
+class ZigbeeTime final : public time::RealTimeClock, public ZigbeeEntity {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/zigbee/zigbee_attribute_esp32.h b/esphome/components/zigbee/zigbee_attribute_esp32.h
index 35aa60848f..e978fcf209 100644
--- a/esphome/components/zigbee/zigbee_attribute_esp32.h
+++ b/esphome/components/zigbee/zigbee_attribute_esp32.h
@@ -27,7 +27,7 @@ enum ZigbeeReportT {
   ZIGBEE_REPORT_FORCE,
 };
 
-class ZigbeeAttribute : public Component {
+class ZigbeeAttribute final : public Component {
  public:
   ZigbeeAttribute(ZigbeeComponent *parent, uint8_t endpoint_id, uint16_t cluster_id, uint8_t role, uint16_t attr_id,
                   uint8_t attr_type, float scale, uint8_t max_size)
diff --git a/esphome/components/zigbee/zigbee_binary_sensor_zephyr.h b/esphome/components/zigbee/zigbee_binary_sensor_zephyr.h
index aae79fa289..bc2718ff48 100644
--- a/esphome/components/zigbee/zigbee_binary_sensor_zephyr.h
+++ b/esphome/components/zigbee/zigbee_binary_sensor_zephyr.h
@@ -28,7 +28,7 @@ extern "C" {
 
 namespace esphome::zigbee {
 
-class ZigbeeBinarySensor : public ZigbeeEntity, public Component {
+class ZigbeeBinarySensor final : public ZigbeeEntity, public Component {
  public:
   explicit ZigbeeBinarySensor(binary_sensor::BinarySensor *binary_sensor);
   void set_cluster_attributes(BinaryAttrs &cluster_attributes) { this->cluster_attributes_ = &cluster_attributes; }
diff --git a/esphome/components/zigbee/zigbee_esp32.h b/esphome/components/zigbee/zigbee_esp32.h
index 34b2b827b6..25f53a1d6e 100644
--- a/esphome/components/zigbee/zigbee_esp32.h
+++ b/esphome/components/zigbee/zigbee_esp32.h
@@ -35,7 +35,7 @@ uint8_t *get_zcl_string(const char *str, uint8_t max_size, bool use_max_size = f
 
 class ZigbeeAttribute;
 
-class ZigbeeComponent : public Component {
+class ZigbeeComponent final : public Component {
  public:
   void setup() override;
   void loop() override;
diff --git a/esphome/components/zigbee/zigbee_number_zephyr.h b/esphome/components/zigbee/zigbee_number_zephyr.h
index aabb0392be..886e6c3223 100644
--- a/esphome/components/zigbee/zigbee_number_zephyr.h
+++ b/esphome/components/zigbee/zigbee_number_zephyr.h
@@ -98,7 +98,7 @@ void zb_zcl_analog_output_init_client();
 
 namespace esphome::zigbee {
 
-class ZigbeeNumber : public ZigbeeEntity, public Component {
+class ZigbeeNumber final : public ZigbeeEntity, public Component {
  public:
   ZigbeeNumber(number::Number *n) : number_(n) {}
   void set_cluster_attributes(AnalogAttrsOutput &cluster_attributes) {
diff --git a/esphome/components/zigbee/zigbee_sensor_zephyr.h b/esphome/components/zigbee/zigbee_sensor_zephyr.h
index 37406f21d0..cd03cf8a2b 100644
--- a/esphome/components/zigbee/zigbee_sensor_zephyr.h
+++ b/esphome/components/zigbee/zigbee_sensor_zephyr.h
@@ -69,7 +69,7 @@ void zb_zcl_analog_input_init_client();
 
 namespace esphome::zigbee {
 
-class ZigbeeSensor : public ZigbeeEntity, public Component {
+class ZigbeeSensor final : public ZigbeeEntity, public Component {
  public:
   explicit ZigbeeSensor(sensor::Sensor *sensor);
   void set_cluster_attributes(AnalogAttrs &cluster_attributes) { this->cluster_attributes_ = &cluster_attributes; }
diff --git a/esphome/components/zigbee/zigbee_switch_zephyr.h b/esphome/components/zigbee/zigbee_switch_zephyr.h
index b774c23b3c..d2f71ce665 100644
--- a/esphome/components/zigbee/zigbee_switch_zephyr.h
+++ b/esphome/components/zigbee/zigbee_switch_zephyr.h
@@ -63,7 +63,7 @@ void zb_zcl_binary_output_init_client();
 
 namespace esphome::zigbee {
 
-class ZigbeeSwitch : public ZigbeeEntity, public Component {
+class ZigbeeSwitch final : public ZigbeeEntity, public Component {
  public:
   ZigbeeSwitch(switch_::Switch *s) : switch_(s) {}
   void set_cluster_attributes(BinaryAttrs &cluster_attributes) { this->cluster_attributes_ = &cluster_attributes; }
diff --git a/esphome/components/zigbee/zigbee_zephyr.h b/esphome/components/zigbee/zigbee_zephyr.h
index d462d2a403..3b4a465361 100644
--- a/esphome/components/zigbee/zigbee_zephyr.h
+++ b/esphome/components/zigbee/zigbee_zephyr.h
@@ -66,7 +66,7 @@ struct AnalogAttrsOutput : AnalogAttrs {
   float resolution;
 };
 
-class ZigbeeComponent : public Component {
+class ZigbeeComponent final : public Component {
  public:
   void setup() override;
   void dump_config() override;
diff --git a/esphome/components/zio_ultrasonic/zio_ultrasonic.h b/esphome/components/zio_ultrasonic/zio_ultrasonic.h
index d4d2ac974f..1dbce87307 100644
--- a/esphome/components/zio_ultrasonic/zio_ultrasonic.h
+++ b/esphome/components/zio_ultrasonic/zio_ultrasonic.h
@@ -8,7 +8,7 @@ static const char *const TAG = "Zio Ultrasonic";
 
 namespace esphome::zio_ultrasonic {
 
-class ZioUltrasonicComponent : public i2c::I2CDevice, public PollingComponent, public sensor::Sensor {
+class ZioUltrasonicComponent final : public i2c::I2CDevice, public PollingComponent, public sensor::Sensor {
  public:
   void dump_config() override;
 
diff --git a/esphome/components/zwave_proxy/zwave_proxy.h b/esphome/components/zwave_proxy/zwave_proxy.h
index dc5dc46abc..ec52b15cd9 100644
--- a/esphome/components/zwave_proxy/zwave_proxy.h
+++ b/esphome/components/zwave_proxy/zwave_proxy.h
@@ -49,7 +49,7 @@ enum ZWaveProxyFeature : uint32_t {
   FEATURE_ZWAVE_PROXY_ENABLED = 1 << 0,
 };
 
-class ZWaveProxy : public uart::UARTDevice, public Component {
+class ZWaveProxy final : public uart::UARTDevice, public Component {
  public:
   ZWaveProxy();
 
diff --git a/esphome/components/zyaura/zyaura.h b/esphome/components/zyaura/zyaura.h
index 7c7954dec2..5a451ea463 100644
--- a/esphome/components/zyaura/zyaura.h
+++ b/esphome/components/zyaura/zyaura.h
@@ -57,7 +57,7 @@ class ZaSensorStore {
 };
 
 /// Component for reading temperature/co2/humidity measurements from ZyAura sensors.
-class ZyAuraSensor : public PollingComponent {
+class ZyAuraSensor final : public PollingComponent {
  public:
   void set_pin_clock(InternalGPIOPin *pin) { pin_clock_ = pin; }
   void set_pin_data(InternalGPIOPin *pin) { pin_data_ = pin; }