diff --git a/homeassistant/components/version/diagnostics.py b/homeassistant/components/version/diagnostics.py
new file mode 100644
index 00000000000..2ba31bc8870
--- /dev/null
+++ b/homeassistant/components/version/diagnostics.py
@@ -0,0 +1,56 @@
+"""Provides diagnostics for Version."""
+from __future__ import annotations
+
+from typing import Any
+
+from attr import asdict
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr, entity_registry as er
+
+from .const import DOMAIN
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    coordinator = hass.data[DOMAIN][config_entry.entry_id]
+    device_registry = dr.async_get(hass)
+    entity_registry = er.async_get(hass)
+
+    devices = []
+
+    registry_devices = dr.async_entries_for_config_entry(
+        device_registry, config_entry.entry_id
+    )
+
+    for device in registry_devices:
+        entities = []
+
+        registry_entities = er.async_entries_for_device(
+            entity_registry,
+            device_id=device.id,
+            include_disabled_entities=True,
+        )
+
+        for entity in registry_entities:
+            state_dict = None
+            if state := hass.states.get(entity.entity_id):
+                state_dict = dict(state.as_dict())
+                state_dict.pop("context", None)
+
+            entities.append({"entry": asdict(entity), "state": state_dict})
+
+        devices.append({"device": asdict(device), "entities": entities})
+
+    return {
+        "entry": config_entry.as_dict(),
+        "coordinator_data": {
+            "version": coordinator.version,
+            "version_data": coordinator.version_data,
+        },
+        "devices": devices,
+    }
diff --git a/tests/components/version/test_diagnostics.py b/tests/components/version/test_diagnostics.py
new file mode 100644
index 00000000000..1c9c8df4c62
--- /dev/null
+++ b/tests/components/version/test_diagnostics.py
@@ -0,0 +1,36 @@
+"""Test version diagnostics."""
+
+
+from aioaseko import ClientSession
+
+from homeassistant.core import HomeAssistant
+
+from .common import MOCK_VERSION, setup_version_integration
+
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+
+
+async def test_diagnostics(
+    hass: HomeAssistant,
+    hass_client: ClientSession,
+) -> None:
+    """Test diagnostic information."""
+    config_entry = await setup_version_integration(hass)
+
+    diagnostics = await get_diagnostics_for_config_entry(
+        hass, hass_client, config_entry
+    )
+    assert diagnostics["entry"]["data"] == {
+        "name": "",
+        "channel": "stable",
+        "image": "default",
+        "board": "OVA",
+        "version_source": "Local installation",
+        "source": "local",
+    }
+
+    assert diagnostics["coordinator_data"] == {
+        "version": MOCK_VERSION,
+        "version_data": None,
+    }
+    assert len(diagnostics["devices"]) == 1