diff --git a/tests/factories/mpsk.py b/tests/factories/mpsk.py
new file mode 100644
index 000000000..9c3357d1c
--- /dev/null
+++ b/tests/factories/mpsk.py
@@ -0,0 +1,26 @@
+#  Copyright (c) 2024. The Pycroft Authors. See the AUTHORS file.
+#  This file is part of the Pycroft project and licensed under the terms of
+#  the Apache License, Version 2.0. See the LICENSE file for details
+import factory
+from tests.factories.base import BaseFactory
+from pycroft.model.mpsk_client import MPSKClient
+
+from tests.factories.user import UserFactory
+from tests.factories.host import UnicastMacProvider
+
+factory.Faker.add_provider(UnicastMacProvider)
+
+
+class BareMPSKFactory(BaseFactory):
+    """A host without owner or interface."""
+
+    class Meta:
+        model = MPSKClient
+
+    mac = factory.Faker("unicast_mac_address")
+    name = factory.Faker("name")
+
+
+class MPSKFactory(BareMPSKFactory):
+
+    owner = factory.SubFactory(UserFactory)
diff --git a/tests/model/test_mpsk.py b/tests/model/test_mpsk.py
new file mode 100644
index 000000000..5251e5794
--- /dev/null
+++ b/tests/model/test_mpsk.py
@@ -0,0 +1,81 @@
+#  Copyright (c) 2024. The Pycroft Authors. See the AUTHORS file.
+#  This file is part of the Pycroft project and licensed under the terms of
+#  the Apache License, Version 2.0. See the LICENSE file for details
+
+import pytest
+from packaging.utils import InvalidName
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.orm.base import object_state
+
+from pycroft.model.mpsk_client import MPSKClient
+from pycroft.model.types import InvalidMACAddressException
+from .. import factories
+
+
+class TestMPSKValidators:
+
+    @pytest.fixture(scope="class")
+    def user(self, class_session):
+        user = factories.UserFactory.build(with_host=True)
+        class_session.add(user)
+        return user
+
+    @pytest.fixture(scope="class")
+    def mpsk_client(self, user):
+        return factories.MPSKFactory()
+
+    @pytest.mark.parametrize(
+        "mac",
+        [
+            "ff:ff:ff:ff:ff",
+            "ff:ff:ff:ff:ff:ff",
+            "ff:asjfjsdaf:ff:ff:ff:ff",
+            "aj:00:ff:1f:ff:ff",
+            "ff:ff:ff:ff:ff:ff:ff",
+        ],
+    )
+    def test_bad_macs(self, session, user, mac):
+
+        mpsk_client = MPSKClient(
+            name="the needs of the many outweigh the needs of the few", owner=user
+        )
+        assert object_state(mpsk_client).transient
+        with pytest.raises(InvalidMACAddressException):
+            mpsk_client.mac = mac
+        with pytest.raises(IntegrityError):
+            session.add(mpsk_client)
+            session.flush()
+
+    def test_no_name(self, session, user):
+        mpsk_client = MPSKClient(mac="00:00:00:00:00:00", owner=user)
+        with pytest.raises(IntegrityError):
+            session.add(mpsk_client)
+            session.flush()
+        with pytest.raises(InvalidName):
+            MPSKClient(mac="00:00:00:00:00:00", name="", owner=user)
+
+    def test_no_mac(self, session, user):
+        mpsk_client = MPSKClient(name="00:00:00:00:00:00", owner=user)
+        with pytest.raises(IntegrityError):
+            session.add(mpsk_client)
+            session.flush()
+
+    def test_no_owner(self, session, user):
+        mpsk_client = MPSKClient(mac="00:00:00:00:00:00", name="as")
+        with pytest.raises(IntegrityError):
+            session.add(mpsk_client)
+            session.flush()
+
+    @pytest.mark.parametrize(
+        "name",
+        [
+            "  a   ",
+            " a",
+            "ff:asjfjsdaf:ff:ff:ff:ff",
+            "aj:00:ff:1f:ff:ff",
+            "ff:ff:ff:ff:ff:ff:ff",
+        ],
+    )
+    def test_names(self, session, user, name):
+        mpsk_client = MPSKClient(mac="00:00:00:00:00:00", name=name, owner=user)
+        assert mpsk_client.name == name