Contact information

Stephan Birk und Dr. Thomas Haustein GbR represented by: Gesellschafter Stephan Birk und Dr. Thomas Haustein GbR

VAT identification number according to § 27a VAT law: DE 215 788 555


Max-Wundel-Straße 12

14469 Potsdam





We update and check the data of our web site periodically. Despite all the care, things may have changed or become outdated. Liability or

guarantee of accuracy, timeliness and completeness of any content of this site can not be assumed. Furthermore, we assume

no liability for the content of external links. The content of linked pages is in responsibility of their operators.



No written warning without previous contact! 


Should the domain, any content or design of this site violate the rights of third parties or statutory provisions, we ask for an

appropriate information without any costs.

We guarantee that any alleged right to protection of law-violation will be corrected immediately, this will be without the need on your side,

 involvement of a lawyer.

All costs caused without prior contact, will be completely rejected and cause file of a counterclaim for violation of said provisions.

Thank you for your understanding!