diff --git a/homeassistant/components/icloud/account.py b/homeassistant/components/icloud/account.py
index 35e04d20ecd..d1d35def76b 100644
--- a/homeassistant/components/icloud/account.py
+++ b/homeassistant/components/icloud/account.py
@@ -12,6 +12,7 @@ from pyicloud.exceptions import (
     PyiCloudFailedLoginException,
     PyiCloudNoDevicesException,
     PyiCloudServiceNotActivatedException,
+    PyiCloudServiceUnavailable,
 )
 from pyicloud.services.findmyiphone import AppleDevice
 
@@ -130,15 +131,21 @@ class IcloudAccount:
         except (
             PyiCloudServiceNotActivatedException,
             PyiCloudNoDevicesException,
+            PyiCloudServiceUnavailable,
         ) as err:
             _LOGGER.error("No iCloud device found")
             raise ConfigEntryNotReady from err
 
-        self._owner_fullname = f"{user_info['firstName']} {user_info['lastName']}"
+        if user_info is None:
+            raise ConfigEntryNotReady("No user info found in iCloud devices response")
+
+        self._owner_fullname = (
+            f"{user_info.get('firstName')} {user_info.get('lastName')}"
+        )
 
         self._family_members_fullname = {}
         if user_info.get("membersInfo") is not None:
-            for prs_id, member in user_info["membersInfo"].items():
+            for prs_id, member in user_info.get("membersInfo").items():
                 self._family_members_fullname[prs_id] = (
                     f"{member['firstName']} {member['lastName']}"
                 )
diff --git a/homeassistant/components/icloud/manifest.json b/homeassistant/components/icloud/manifest.json
index 60a4063a079..0cf6b89d20c 100644
--- a/homeassistant/components/icloud/manifest.json
+++ b/homeassistant/components/icloud/manifest.json
@@ -6,5 +6,5 @@
   "documentation": "https://www.home-assistant.io/integrations/icloud",
   "iot_class": "cloud_polling",
   "loggers": ["keyrings.alt", "pyicloud"],
-  "requirements": ["pyicloud==2.1.0"]
+  "requirements": ["pyicloud==2.2.0"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 107cdbac3f3..75ea9f3b08b 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2063,7 +2063,7 @@ pyhomeworks==1.1.2
 pyialarm==2.2.0
 
 # homeassistant.components.icloud
-pyicloud==2.1.0
+pyicloud==2.2.0
 
 # homeassistant.components.insteon
 pyinsteon==1.6.3
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 4f64c9f8fb1..dd926ad4464 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1722,7 +1722,7 @@ pyhomeworks==1.1.2
 pyialarm==2.2.0
 
 # homeassistant.components.icloud
-pyicloud==2.1.0
+pyicloud==2.2.0
 
 # homeassistant.components.insteon
 pyinsteon==1.6.3
diff --git a/tests/components/icloud/const.py b/tests/components/icloud/const.py
index 463ae6a7da2..d2bbfeb717c 100644
--- a/tests/components/icloud/const.py
+++ b/tests/components/icloud/const.py
@@ -10,6 +10,8 @@ from homeassistant.components.icloud.const import (
 )
 from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 
+FIRST_NAME = "user"
+LAST_NAME = "name"
 USERNAME = "username@me.com"
 USERNAME_2 = "second_username@icloud.com"
 PASSWORD = "password"
@@ -18,6 +20,30 @@ WITH_FAMILY = True
 MAX_INTERVAL = 15
 GPS_ACCURACY_THRESHOLD = 250
 
+MEMBER_1_FIRST_NAME = "John"
+MEMBER_1_LAST_NAME = "TRAVOLTA"
+MEMBER_1_FULL_NAME = MEMBER_1_FIRST_NAME + " " + MEMBER_1_LAST_NAME
+MEMBER_1_PERSON_ID = (MEMBER_1_FIRST_NAME + MEMBER_1_LAST_NAME).lower()
+MEMBER_1_APPLE_ID = MEMBER_1_PERSON_ID + "@icloud.com"
+
+USER_INFO = {
+    "accountFormatter": 0,
+    "firstName": FIRST_NAME,
+    "lastName": LAST_NAME,
+    "membersInfo": {
+        MEMBER_1_PERSON_ID: {
+            "accountFormatter": 0,
+            "firstName": MEMBER_1_FIRST_NAME,
+            "lastName": MEMBER_1_LAST_NAME,
+            "deviceFetchStatus": "DONE",
+            "useAuthWidget": True,
+            "isHSA": True,
+            "appleId": MEMBER_1_APPLE_ID,
+        }
+    },
+    "hasMembers": True,
+}
+
 MOCK_CONFIG = {
     CONF_USERNAME: USERNAME,
     CONF_PASSWORD: PASSWORD,
@@ -29,3 +55,17 @@ MOCK_CONFIG = {
 TRUSTED_DEVICES = [
     {"deviceType": "SMS", "areaCode": "", "phoneNumber": "*******58", "deviceId": "1"}
 ]
+
+DEVICE = {
+    "id": "device1",
+    "name": "iPhone",
+    "deviceStatus": "200",
+    "batteryStatus": "NotCharging",
+    "batteryLevel": 0.8,
+    "rawDeviceModel": "iPhone14,2",
+    "deviceClass": "iPhone",
+    "deviceDisplayName": "iPhone",
+    "prsId": None,
+    "lowPowerMode": False,
+    "location": None,
+}
diff --git a/tests/components/icloud/test_account.py b/tests/components/icloud/test_account.py
new file mode 100644
index 00000000000..52e6799f417
--- /dev/null
+++ b/tests/components/icloud/test_account.py
@@ -0,0 +1,167 @@
+"""Tests for the iCloud account."""
+
+from unittest.mock import MagicMock, Mock, patch
+
+import pytest
+
+from homeassistant.components.icloud.account import IcloudAccount
+from homeassistant.components.icloud.const import (
+    CONF_GPS_ACCURACY_THRESHOLD,
+    CONF_MAX_INTERVAL,
+    CONF_WITH_FAMILY,
+    DOMAIN,
+)
+from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
+from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import ConfigEntryNotReady
+from homeassistant.helpers.storage import Store
+
+from .const import DEVICE, MOCK_CONFIG, USER_INFO, USERNAME
+
+from tests.common import MockConfigEntry
+
+
+@pytest.fixture(name="mock_store")
+def mock_store_fixture():
+    """Mock the storage."""
+    with patch("homeassistant.components.icloud.account.Store") as store_mock:
+        store_instance = Mock(spec=Store)
+        store_instance.path = "/mock/path"
+        store_mock.return_value = store_instance
+        yield store_instance
+
+
+@pytest.fixture(name="mock_icloud_service_no_userinfo")
+def mock_icloud_service_no_userinfo_fixture():
+    """Mock PyiCloudService with devices as dict but no userInfo."""
+    with patch(
+        "homeassistant.components.icloud.account.PyiCloudService"
+    ) as service_mock:
+        service_instance = MagicMock()
+        service_instance.requires_2fa = False
+        mock_device = MagicMock()
+        mock_device.status = iter(DEVICE)
+        mock_device.user_info = None
+        service_instance.devices = mock_device
+        service_mock.return_value = service_instance
+        yield service_instance
+
+
+async def test_setup_fails_when_userinfo_missing(
+    hass: HomeAssistant,
+    mock_store: Mock,
+    mock_icloud_service_no_userinfo: MagicMock,
+) -> None:
+    """Test setup fails when userInfo is missing from devices dict."""
+
+    assert mock_icloud_service_no_userinfo is not None
+
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data=MOCK_CONFIG, entry_id="test", unique_id=USERNAME
+    )
+    config_entry.add_to_hass(hass)
+
+    account = IcloudAccount(
+        hass,
+        MOCK_CONFIG[CONF_USERNAME],
+        MOCK_CONFIG[CONF_PASSWORD],
+        mock_store,
+        MOCK_CONFIG[CONF_WITH_FAMILY],
+        MOCK_CONFIG[CONF_MAX_INTERVAL],
+        MOCK_CONFIG[CONF_GPS_ACCURACY_THRESHOLD],
+        config_entry,
+    )
+
+    with pytest.raises(ConfigEntryNotReady, match="No user info found"):
+        account.setup()
+
+
+class MockAppleDevice:
+    """Mock "Apple device" which implements the .status(...) method used by the account."""
+
+    def __init__(self, status_dict) -> None:
+        """Set status."""
+        self._status = status_dict
+
+    def status(self, key):
+        """Return current status."""
+        return self._status
+
+    def __getitem__(self, key):
+        """Allow indexing the device itself (device[KEY]) to proxy into the raw status dict."""
+        return self._status.get(key)
+
+
+class MockDevicesContainer:
+    """Mock devices container which is iterable and indexable returning device status dicts."""
+
+    def __init__(self, userinfo, devices) -> None:
+        """Initialize with userinfo and list of device objects."""
+        self.user_info = userinfo
+        self._devices = devices
+
+    def __iter__(self):
+        """Iterate returns device objects (each must have .status(...))."""
+        return iter(self._devices)
+
+    def __len__(self):
+        """Return number of devices."""
+        return len(self._devices)
+
+    def __getitem__(self, idx):
+        """Indexing returns device object (which must have .status(...))."""
+        dev = self._devices[idx]
+        if hasattr(dev, "status"):
+            return dev.status(None)
+        return dev
+
+
+@pytest.fixture(name="mock_icloud_service")
+def mock_icloud_service_fixture():
+    """Mock PyiCloudService with devices container that is iterable and indexable returning status dict."""
+    with patch(
+        "homeassistant.components.icloud.account.PyiCloudService",
+    ) as service_mock:
+        service_instance = MagicMock()
+        device_obj = MockAppleDevice(DEVICE)
+        devices_container = MockDevicesContainer(USER_INFO, [device_obj])
+
+        service_instance.devices = devices_container
+        service_instance.requires_2fa = False
+
+        service_mock.return_value = service_instance
+        yield service_instance
+
+
+async def test_setup_success_with_devices(
+    hass: HomeAssistant,
+    mock_store: Mock,
+    mock_icloud_service: MagicMock,
+) -> None:
+    """Test successful setup with devices."""
+
+    assert mock_icloud_service is not None
+
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data=MOCK_CONFIG, entry_id="test", unique_id=USERNAME
+    )
+    config_entry.add_to_hass(hass)
+
+    account = IcloudAccount(
+        hass,
+        MOCK_CONFIG[CONF_USERNAME],
+        MOCK_CONFIG[CONF_PASSWORD],
+        mock_store,
+        MOCK_CONFIG[CONF_WITH_FAMILY],
+        MOCK_CONFIG[CONF_MAX_INTERVAL],
+        MOCK_CONFIG[CONF_GPS_ACCURACY_THRESHOLD],
+        config_entry,
+    )
+
+    with patch.object(account, "_schedule_next_fetch"):
+        account.setup()
+
+    assert account.api is not None
+    assert account.owner_fullname == "user name"
+    assert "johntravolta" in account.family_members_fullname
+    assert account.family_members_fullname["johntravolta"] == "John TRAVOLTA"