diff --git a/src/primaite/simulator/domain_controller/__init__.py b/src/primaite/simulator/domain_controller/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/src/primaite/simulator/domain_controller/account.py b/src/primaite/simulator/domain_controller/account.py
new file mode 100644
index 00000000..1f3ac900
--- /dev/null
+++ b/src/primaite/simulator/domain_controller/account.py
@@ -0,0 +1,8 @@
+"""User account simulation."""
+from primaite.simulator.core import SimComponent
+
+
+class Account(SimComponent):
+    """User accounts."""
+
+    uid: int