Whistleblowers can contact two external lawyers (ombudsmen) who work independently from
Anyone who wishes to provide specific tips of possible legal violations relating to
Dr. Rainer Buchert, Lawyer
Address: Bleidenstraße 1, D-60311 Frankfurt am Main
Phone: +49 (0)69 71033330 or +49 (0)6105 921355
Fax: +49(0)69 71034444
Thomas Rohrbach, Lawyer
Address: Wildgäßchen 4, D-60599 Frankfurt am Main
Phone: +49(0)69 65300356
Fax: +49(0)69 65009523
Details on how to contact the ombudsman are available in the Group languages German, Chinese, English, French, Italian, Japanese, Portuguese, Russian, Spanish, Czech by calling +49 (0) 69 65 30 04 90.
In addition to classic channels (telephone, fax, email, postal mail), tips can also be submitted online via the so-called Business Keeper Monitoring System (BKMS). The BKMS is a specially protected technological space which has been developed specifically for the electronic submission of confidential information. This system can be reached on the website of the ombudsmen from anywhere in the world at any time.