Your contact to us

Whether it's a complaint, press inquiries, questions about our sustainability activities or other topics, we look forward to helping you personally.

You have a complaint?

Contact details of the complaints office:
Dr. Carsten Thiel von Herff, LL.M.
Loebellstraße 4
33602 Bielefeld, Germany
Phone: +49 521 557 333 0, Mobile: +49 151 58230321
Reporting platform:

An explanation of the complaints procedure can be found here.