π bund.de
Bundesportal | Submitting a complaint against companies in the financial services sector
Do you believe that a company has violated the German Investment Code? Then you can lodge a complaint with the Federal Financial Supervisory Authority (BaFin). You can use the general complaints procedure to do so.
β https://verwaltung.bund.de/leistungsverzeichnis/en/leistung/99142051058000