diff --git a/backend/categorisation/local_runner.py b/backend/categorisation/local_runner.py
new file mode 100644
index 00000000..4693850c
--- /dev/null
+++ b/backend/categorisation/local_runner.py
@@ -0,0 +1,6 @@
+def main() -> None:
+    pass
+
+
+if __name__ == "__main__":
+    main()
diff --git a/backend/categorisation/processor.py b/backend/categorisation/processor.py
new file mode 100644
index 00000000..aa519c6e
--- /dev/null
+++ b/backend/categorisation/processor.py
@@ -0,0 +1,2 @@
+def process_portfolio() -> None:
+    pass