Following the requirements of §5 TMG (LINK to

ChallengeIT GmbH

Robert-Perthel Straße 32-36
50739 Cologne, Germany
Registered office in Cologne | Cologne Local Court
HRB-No. 70137 | DE265077394

Managing director: Jan Konnerth


Sabine Stenger - herzsturm - agentur für werbung


BONNINSKI by Yvonne Grünenwald

Technical realization

avaris | godot - Büro für Internetlösungen

Legal notice:

Our employees have attended officially approved trainings on ITIL, PRINCE2, CObIT and CMMI and are certified in accordance with standards.
Our consulting services are carried out on the basis of these standards and do not claim a right to the registered trademarks (ITIL, PRINCE2, COBIT, CMMI).

Legal notice from the Office of Government Commerce (OGC):
PRINCE2 ® is a Registered Trade Mark of the Office of Government Commerce in the
United Kingdom and other countries.
ITIL® is a Registered Trade Mark of the Office of Government Commerce in the
United Kingdom and other countries.

Other legal notices:
COBIT® is a registered Trademark of the Information Systems Audit and Control
Association (ISACA).
CMMI is registered in the U.S. Patent and Trademark Office by Carnegie Mellon

Data-protection notice

This website uses Google analytics, a web-analysis service of Google Inc. (Google). Google Analytics employs so-called cookies, text files that are saved on your computer and facilitate an analysis of your use of the website. Information about your use of this website (including your IP address) generated by the cookie file is transferred to and saved on a Google server in the United States. Google uses this information to analyze your use of this Web site as it prepares site-activity reports for the website’s operator and performs other services connected to this website and Internet activities. Google may also transfer this information to a third party as required by law or if it contracts a third party to process this information on its behalf. Google will in no instance link your IP address to other data from Google. You can prevent the installation of cookies by activating the corresponding setting in your browser software. In this case, however, we would like to point out that you may not be able to use all functions of this website in their entirety. By using this website, you agree to the processing by Google of the information collected about you in the aforementioned manner and for the aforementioned purpose.

You can object to the collection and use of your IP address by Google analytics at any time and with immediate effect for the future. You can find more information at We would like to note that this website has added the code “gat._anonymizeIp();” to guarantee the anonymous collection of IP addresses.