Dr Johannes Aehrenthal > Cerha Hempel > Vienna, Austria > Lawyer Profile

Cerha Hempel

Work Department

Corporate & Commercial


Head of Department Corporate & Commercial
Areas of practice:


Admitted 2001, (Attorney at Law), Austria

Positions: Lecturer on “Europäische Wirtschaft und Unternehmensführung”, subject area Mergers & Acquisitions, Polytechnic College of bfi Vienna.

Johannes Aehrenthal has comprehensive and long-standing experience in advising Austrian and international clients in numerous cross-border M&A and real estate transactions in Austria and the CEE region.

He is advising both industrial investors as well as private equity and venture capital investors, funds and real estate developers.  Furthermore Johannes Aehrenthal advices privat clients, such as industry tycoons in the structuring of their subsidiaries and on the transfer of their wealth to their heirs.


German, English


  • Vienna Bar Association
  • International Bar Association
  • Lex Mundi – The World’s Leading Association of Independent Law Firms


University of Vienna (Mag. iur. 1995, Dr. iur. 1998)
University of Nottingham (LL.M. 1997)

Lawyer Rankings

Austria > Private client

At Cerha HempelHeinrich Foglar-Deinhardstein and Albert Birkner jointly head the practice. As a corporate partner, the former has a particular focus on trust law, whereas the latter is an experienced foundation law adviser. The team also includes Johannes Aehrenthal, who assists private clients with corporate holdings as well as property inheritance and structuring. Associate Martin Eichinger joined the practice from Jakobljevich & Grave at the beginning of 2020, further enhancing the firm’s offering for high-net-worth individuals. Benedikt Spiegelfeld retired.

Austria > Commercial, corporate and M&A

M&A-heavyweight Cerha Hempel advises on all aspects of corporate and commercial law with particular sector expertise in oil and gas, real estate and technology. The practice has a top-notch reputation for large-volume transactions, where it appears as international coordinating counsel more often than not. Albert Birkner is well versed at handling public takeovers, Clemens Hasenauer focuses on corporate transactions and Johannes Aehrenthal is another key name. January 2020 also saw the addition of senior associate Martin Eichinger from Jakobljevich & Grave; he has a particular specialism at the intersection of corporate law and trust law.