JenAcon GmbH
Zeitzer Strasse 2
D-07743 Jena

tel.: +49 (0) 3641 628 86 0
fax: +49 (0) 3641 628 86 11


Commercial register:
Registration Court: Amtsgericht Osnabrueck HRB 206354
Value Added Tax Identification Number:
Registered Office:
Erlaubnis nach § 34c GewO und § 34i Abs. 1 erteilt durch die Stadt Jena
Managing Partner:
Dr. Joachim Arenth
Managing Director:
Oliver Heinrichs, Matthias Alff
Responsible according to the State Treaty on Media Services (Mediendienste-Staatsvertrag):
Dr. Joachim Arenth, Oliver Heinrichs, Matthias Alff


Pictorial Sources

Frankfurt am Main © Davis /

Berlin panorama © Albo /

Alster in Hamburg © Marco2811 /

Köln © Davis /

Jena © Jörg-Uwe Jahn

Wohnblock in Deutschland – Neubau © Tiberius Gracchus /

modernes Bürogebäude in Deutschland – Hochhaus © Tiberius Gracchus /

Hands of man with paper © Kurhan /

Geschäftsmann mit Puzzleteil © Janina Dierks /

Business People Communication Office City Concept © /

Site Notice

Liability for Contents

As service providers, we are liable for own contents of these websites according to Sec. 7, paragraph 1 German Telemedia Act (TMG). However, according to Sec. 8 to 10 German Telemedia Act (TMG), service providers are not obligated to permanently monitor submitted or stored information or to search for evidences that indicate illegal activities.

Legal obligations to removing information or to blocking the use of information remain unchallenged. In this case, liability is only possible at the time of knowledge about a specific violation of law. Illegal contents will be removed immediately at the time we get knowledge of them.

Liability for Links

Our offer includes links to external third party websites. We have no influence on the contents of those websites, therefore we cannot guarantee for those contents. Providers or administrators of linked websites are always responsible for their own contents.

The linked websites had been checked for possible violations of law at the time of the establishment of the link. Illegal contents were not detected at the time of the linking. A permanent monitoring of the contents of linked websites cannot be imposed without reasonable indications that there has been a violation of law. Illegal links will be removed immediately at the time we get knowledge of them.


Contents and compilations published on these websites by the providers are subject to German copyright laws. Reproduction, editing, distribution as well as the use of any kind outside the scope of the copyright law require a written permission of the author or originator. The commercial use of our contents without permission of the originator is prohibited.

Copyright laws of third parties are respected as long as the contents on these websites do not originate from the provider. Contributions of third parties on this site are indicated as such. However, if you notice any violations of copyright law, please inform us. Such contents will be removed immediately.