diff --git a/homeassistant/components/switchbot/diagnostics.py b/homeassistant/components/switchbot/diagnostics.py
new file mode 100644
index 00000000000..71c913c6411
--- /dev/null
+++ b/homeassistant/components/switchbot/diagnostics.py
@@ -0,0 +1,30 @@
+"""Diagnostics support for switchbot integration."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant.components import bluetooth
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.core import HomeAssistant
+
+from .const import CONF_ENCRYPTION_KEY, CONF_KEY_ID
+from .coordinator import SwitchbotConfigEntry
+
+TO_REDACT = [CONF_KEY_ID, CONF_ENCRYPTION_KEY]
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: SwitchbotConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    coordinator = entry.runtime_data
+
+    service_info = bluetooth.async_last_service_info(
+        hass, coordinator.ble_device.address, connectable=coordinator.connectable
+    )
+
+    return {
+        "entry": async_redact_data(entry.as_dict(), TO_REDACT),
+        "service_info": service_info,
+    }
diff --git a/tests/components/switchbot/snapshots/test_diagnostics.ambr b/tests/components/switchbot/snapshots/test_diagnostics.ambr
new file mode 100644
index 00000000000..215a3c00aaa
--- /dev/null
+++ b/tests/components/switchbot/snapshots/test_diagnostics.ambr
@@ -0,0 +1,81 @@
+# serializer version: 1
+# name: test_diagnostics
+  dict({
+    'entry': dict({
+      'data': dict({
+        'address': 'aa:bb:cc:dd:ee:ff',
+        'encryption_key': '**REDACTED**',
+        'key_id': '**REDACTED**',
+        'name': 'test-name',
+        'sensor_type': 'relay_switch_1pm',
+      }),
+      'disabled_by': None,
+      'discovery_keys': dict({
+      }),
+      'domain': 'switchbot',
+      'minor_version': 1,
+      'options': dict({
+        'retry_count': 3,
+      }),
+      'pref_disable_new_entities': False,
+      'pref_disable_polling': False,
+      'source': 'user',
+      'subentries': list([
+      ]),
+      'title': 'Mock Title',
+      'unique_id': 'aabbccddeeaa',
+      'version': 1,
+    }),
+    'service_info': dict({
+      'address': 'AA:BB:CC:DD:EE:FF',
+      'advertisement': list([
+        'W1080000',
+        dict({
+          '2409': dict({
+            '__type': "<class 'bytes'>",
+            'repr': "b'$X|\\x0866G\\x81\\x00\\x00\\x001\\x00\\x00\\x00\\x00'",
+          }),
+        }),
+        dict({
+          '0000fd3d-0000-1000-8000-00805f9b34fb': dict({
+            '__type': "<class 'bytes'>",
+            'repr': "b'<\\x00\\x00\\x00'",
+          }),
+        }),
+        list([
+          'cba20d00-224d-11e6-9fb8-0002a5d5c51b',
+        ]),
+        -127,
+        -60,
+        list([
+          list([
+          ]),
+        ]),
+      ]),
+      'connectable': True,
+      'device': dict({
+        '__type': "<class 'bleak.backends.device.BLEDevice'>",
+        'repr': 'BLEDevice(AA:BB:CC:DD:EE:FF, W1080000)',
+      }),
+      'manufacturer_data': dict({
+        '2409': dict({
+          '__type': "<class 'bytes'>",
+          'repr': "b'$X|\\x0866G\\x81\\x00\\x00\\x001\\x00\\x00\\x00\\x00'",
+        }),
+      }),
+      'name': 'W1080000',
+      'rssi': -60,
+      'service_data': dict({
+        '0000fd3d-0000-1000-8000-00805f9b34fb': dict({
+          '__type': "<class 'bytes'>",
+          'repr': "b'<\\x00\\x00\\x00'",
+        }),
+      }),
+      'service_uuids': list([
+        'cba20d00-224d-11e6-9fb8-0002a5d5c51b',
+      ]),
+      'source': 'local',
+      'tx_power': -127,
+    }),
+  })
+# ---
diff --git a/tests/components/switchbot/test_diagnostics.py b/tests/components/switchbot/test_diagnostics.py
new file mode 100644
index 00000000000..e5974459e09
--- /dev/null
+++ b/tests/components/switchbot/test_diagnostics.py
@@ -0,0 +1,63 @@
+"""Tests for the diagnostics data provided by the Switchbot integration."""
+
+from unittest.mock import patch
+
+from syrupy import SnapshotAssertion
+from syrupy.filters import props
+
+from homeassistant.components.switchbot.const import (
+    CONF_ENCRYPTION_KEY,
+    CONF_KEY_ID,
+    CONF_RETRY_COUNT,
+    DEFAULT_RETRY_COUNT,
+    DOMAIN,
+)
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.const import CONF_ADDRESS, CONF_NAME, CONF_SENSOR_TYPE
+from homeassistant.core import HomeAssistant
+
+from . import WORELAY_SWITCH_1PM_SERVICE_INFO
+
+from tests.common import MockConfigEntry
+from tests.components.bluetooth import inject_bluetooth_service_info
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+from tests.typing import ClientSessionGenerator
+
+
+async def test_diagnostics(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    snapshot: SnapshotAssertion,
+) -> None:
+    """Test diagnostics for config entry."""
+
+    inject_bluetooth_service_info(hass, WORELAY_SWITCH_1PM_SERVICE_INFO)
+
+    with patch(
+        "homeassistant.components.switchbot.switch.switchbot.SwitchbotRelaySwitch.update",
+        return_value=None,
+    ):
+        mock_config_entry = MockConfigEntry(
+            domain=DOMAIN,
+            data={
+                CONF_ADDRESS: "aa:bb:cc:dd:ee:ff",
+                CONF_NAME: "test-name",
+                CONF_SENSOR_TYPE: "relay_switch_1pm",
+                CONF_KEY_ID: "ff",
+                CONF_ENCRYPTION_KEY: "ffffffffffffffffffffffffffffffff",
+            },
+            unique_id="aabbccddeeaa",
+            options={CONF_RETRY_COUNT: DEFAULT_RETRY_COUNT},
+        )
+        mock_config_entry.add_to_hass(hass)
+
+        await hass.config_entries.async_setup(mock_config_entry.entry_id)
+        await hass.async_block_till_done()
+        assert mock_config_entry.state is ConfigEntryState.LOADED
+
+    result = await get_diagnostics_for_config_entry(
+        hass, hass_client, mock_config_entry
+    )
+    assert result == snapshot(
+        exclude=props("created_at", "modified_at", "entry_id", "time")
+    )