diff --git a/src/bo4e/bo/__init__.py b/src/bo4e/bo/__init__.py
index e69de29bb..ea7bc2fcb 100644
--- a/src/bo4e/bo/__init__.py
+++ b/src/bo4e/bo/__init__.py
@@ -0,0 +1,20 @@
+# src/bo4e/bo/__init__.py
+import importlib
+import pkgutil
+
+# Iterate through all the modules in the current package
+package = __name__
+for _, modname, _ in pkgutil.iter_modules(__path__, package + "."):
+    # Import the module
+    module = importlib.import_module(modname)
+    # Iterate through the attributes of the module
+    for attribute_name in dir(module):
+        # Get the attribute
+        attribute = getattr(module, attribute_name)
+        # Check if the attribute is a class and it's defined in this module (not imported)
+        if isinstance(attribute, type) and attribute.__module__ == module.__name__:
+            # Add the class to the namespace of this module
+            globals()[attribute_name] = attribute
+
+# Now you can directly import any class from the bo package
+# from bo4e.bo import Vertrag, Ansprechpartner, etc.