Information according to § 5 TMG (Telemedia Act)
Ruhrallee 201
45136 Essen


Represented by

Board of Directors
Dipl.-Kfm. Christian Hövelhaus (CEO)
Dipl.-Kfm.(FH), MBA Christoph Gardlo (COO)



Phone: +49 (0) 201 220 38 100
Fax: +49 (0) 201 220 38 109
Internet address:


Register entry

Entry in the commercial register

Registration number: HRB 25724

Register court: Local court Essen, Germany


VAT ID Number

Sales tax identification number according to §27 a sales tax law



Control Committee

Chairman of the Supervisory Board

Dr. Ing. Klaus Kasper

Responsible for the content according to § 55 Abs. 2 RStV (Rundfunkstaatsvertrag)

Christian Hövelhaus


Ruhrallee 201

45136 Essen



Data protection officer


Leopold Street 21

80802 Munich



Liability for contents

The contents of our pages were created with the greatest care. However, we cannot assume any liability for the correctness, completeness and topicality of the contents. As a service provider, we are responsible for our own content on these pages according to § 7 para.1 TMG (German Telemedia Act) and general laws. According to §§ 8 to 10 TMG, we are not obliged to monitor transmitted or stored external information or to investigate circumstances that indicate illegal activity. Obligations to remove or block the use of information according to general laws remain unaffected. However, liability in this respect is only possible from the time of knowledge of a concrete infringement. If we become aware of any such infringements, we will remove such content immediately.

Liability for links

Our offer contains links to external websites of third parties, on whose contents we have no influence. Therefore we cannot assume any liability for these external contents. The respective provider or operator of the sites is always responsible for the contents of the linked sites. The linked pages were checked for possible legal violations at the time of linking. Illegal contents were not identifiable at the time of linking. However, a permanent control of the contents of the linked pages is not reasonable without concrete evidence of a violation of the law. If we become aware of any infringements, we will remove such links immediately.


The contents and works created or used by the site operators on these pages are subject to German copyright law. The reproduction, editing, distribution and any kind of use outside the limits of copyright law require the consent of the respective author or creator. Downloads and copies of these pages are only permitted for private, non-commercial use. Insofar as the content on this site was not created by the operator, the copyrights of third parties are respected. In particular, third-party content is marked as such. Should you nevertheless become aware of a copyright infringement, please inform us accordingly. If we become aware of any infringements, we will remove such contents immediately.

General equality

In the texts usually only one gender form is chosen to ensure better readability. The information on this website refers to all genders.