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ABOUT - Quality for over 20 years

Gerhard O. Rettenbacher is a highly accomplished corporate and tax attorney with 20 years of experience in advising stock-listed corporations in front-page multi-jurisdictional M&A, project finance and real estate transactions, in particular in the US, Asia, and Central and Eastern Europe. Gerhard is frequently getting mandated by major clients because of his exceptional transactional and management experience in that region and his business-oriented and pragmatic advice. Until late 2004 Gerhard was a corporate and tax partner of a leading Austrian firm and international network where he headed the tax department and had substantial managing functions in the international corporate and tax practice area groups.

Now he is exclusively advising selected national and international clients.


Construction project in Germany

June 2017

Closing of a contract on a long-term construction project in Germany. We represent the seller in a tight bidding procedure.

High technology delivery in Japan

August 2016

Closing of a contract on a delivery of a high technology product in Japan. We protect execution of the contract in view of complex patent rights and obligations.

Cooperation on product development in USA

May 2016

A machinery construction company agrees to cooperate with a US enterprise on the development of an innovative product. We ensure that material rights to intellectual property with respect to inventions will be retained.

International Arbitration

February 2016

We represent an Austrian group in international arbitration proceedings in Asia. The opposing Claimant seems to compromise in negotiations of a settlement.


Mergers & Acquisitions

Legal, tax and business planning, due diligence, communication with involved parties, drafting of contracts and closing of transaction. In an international context, as is the case frequently, we will coordinate and supervise advice of foreign attorneys and other consultants.


Advice on financing requirements, legal and business parameters, selection of financing partners and cornerstones (term sheet). Drafting of contracts and drawing of financing will be optimized through constructive and time efficient communication with the involved parties.

International tax planning

Analysis, international tax planning, designing and closing of transactions, representation before national and international courts and tax authorities, including in mutual agreement procedures.

European Right

Advising mainly on corporate and tax matters. Representation before courts and other authorities in cases of tax discrimination of foreign investment or other business.


Gerhard Rettenbacher
PhD MBA LL.M. (Tax)

Stoß im Himmel 1/11
A-1010 Vienna, Austria
UID: ATU 43707208

+43 664 456 9388

+43 1 535 1249

Copyright 2019 © Gerhard Rettenbacher