The Dorsch Gruppe thanks you for visiting this website and showing interest in our services.

Information on the company

This website is maintained by the Dorsch Holding GmbH. The legal representatives of Dorsch Holding GmbH is the following board of management: Dipl.-Ing. Olaf Hoffmann and Andreas Schweinar.

Registered office

Berliner Str. 74-76, 63065 Offenbach am Main, Germany
Trade reg. no.: HRB 42115 Offenbach a.M.
Value Added Tax No.: DE247139650
Contact: mail(at)dorsch(dot)de · Fon: +49 (0) 69 13 02 57-0

Byelaws of the profession

Legal designation of profession: Dipl.-Ing., Dipl.-Ing (FH), granted in Germany (Consulting Engineers)

Honorarordnung für Architekten und Ingenieure (HOAI) vom 10. Juli 2013

Hessisches Ingenieurgesetz (IngG)

Hessische Bauordnung (HBO)

Verordnung über die Vergabe öffentlicher Aufträge (VgV)

Gesetz gegen Wettbewerbsbeschränkungen (GWB)

Verordnung über die Vergabe von öffentlichen Aufträgen im Bereich des Verkehrs, der Trinkwasserversorgung und der Energieversorgung (SektVO)

Further information concerning the byelaws can be obtained for example from the websites of the Bundesingenieurkammer or of the Bayerische Ingenieurekammer


© Copyright 2001-2018 Dorsch Holding GmbH

All rights reserved.

The text, images, graphics, sound files, animation files and video files and their arrangement on the Dorsch website are all subject to copyright (some copyrights for enclosed images may be held by third parties) and other intellectual property protection.

The content of this website may not be copied, distributed, modified or made available to third parties for commercial purposes.


Gerhard Habinger
Dorsch Gruppe

Concept, Design & Programming

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