Dr Clemens Hasenauer > Cerha Hempel > Vienna, Austria > Lawyer Profile

Cerha Hempel

Work Department

Corporate Transactions


Managing Partner
Head of Department Corporate Transactions
Areas of practice:


Admitted, (Attorney at Law), Austria
, (Solicitor),  England and Wales
(Attorney at Law), New York

  • Head of Department Corporate Transactions
  • Member of the Management Committee
  • Lecturer in Mergers & Acquisitions at the Master of Business Law (MBL) Corporate Law program at the Vienna University of Economics and Business (Wirtschaftsuniversität Wien)
  • Lecturer at the Master of Laws (LL.M.) program for Contract Law and Contract Drafting at the Danube University Krems
  • Member of the board of examiners for the judicial office examination in Vienna
  • Lecturer at the Austrian Lawyers Academy (Anwaltsakademie)

Managing Partner and Head of Department Corporate Transactions. Clemens specialises in mergers and acquisitions, takeover law, banking and finance, reorganisations and restructurings. His broad experience includes numerous complex public and private M&A transactions, and he is particularly renowned for structuring large international joint ventures and public takeovers. In past years Clemens regularly advised on Austria’s most prominent sales processes.


German, English, French


  • Vienna Bar Association (Council)
  • The Law Society
  • American Bar Association
  • New York State Bar Association
  • International Bar Association
  • Lex Mundi – The World’s Leading Association of Independent Law Firms


Vienna University of Economics and Business, WU Executive Academy (MBA, 2017)
New York University School of Law (LL.M. 1997), Fulbright Scholar
University of Vienna (Mag.iur. 1994, Dr.iur. 1996)
Faculté de droit, Paris V – Université Paris Descartes (1992/93)

Lawyer Rankings

Austria > Commercial, corporate and M&A

(Leading individuals)

Clemens HasenauerCerha Hempel

Cerha Hempel‘s highly regarded corporate practice advises on national and international cross-border mergers, reorganisations and restructurings. In public M&A, the team acts for numerous companies listed on the stock exchange, and the group’s private M&A work focuses on providing strategic advice to private equity investors in Austria and CEE. A standout feature of the practice is its Brazilian desk, which is led by Heinrich Foglar-Deinhardstein. Albert Birkner, who is ‘one of the leading M&A and corporate lawyers in Austria‘, Clemens Hasenauer, who is praised for his ‘outstanding legal knowledge and ability as well as negotiation skills‘ and Thomas Trettnak jointly lead the practice.

Austria > Capital markets

The team at Cerha Hempel is noted for its ‘very good availability and reliability‘. It handles a wide range of matters including distribution of structured products and securities under certificates programmes, issuing of corporate bonds, and relistings. Clients include banks, prominent real estate holding companies, investment firms, and listed companies. In recent highlights, the ‘experienced, reliable and assertive‘ Volker Glas led a team that advised Goldman Sachs on its €100m distribution of structured products. The practice is jointly headed by Edith Hlawati and Clemens Hasenauer. Associate Christian Aichinger is also recommended for his ‘very quick comprehension‘. Peter Knobl and Thomas Zivny are other key names.

Austria > Banking and finance

Under the leadership of Edith Hlawati and Clemens Hasenauer, the banking and finance team at Cerha Hempel acts for lenders and borrowers on real estate financings and major financing transactions. Among Peter Knobl‘s specialisms are banking supervision and regulatory matters, where he advises Austrian licensed banks, insurers and fund management companies on compliance questions. Volker Glas assists corporate borrowers and Austrian and international banks with syndicated loans, acquisitions, project financings and structured finance transactions. Other key names include Thomas Zivny, senior counsel Christian Aichinger and senior associate Andrea Harrich.

Austria > Projects and energy

Cerha Hempel assists with projects and energy work by leveraging multiple departments throughout the firm. The practice is particularly singled out for its expertise in energy M&A, which is handled by Clemens Hasenauer and Johannes Aehrenthal in the corporate transactions team; in recent highlights, the group advised OMV on its purchase of a stake in an oil refining company and acted on General Electric’s sale of its distributed power business. Public law group head Hans Kristoferitsch leads on regulatory matters and represented the Republic of Austria in several state aid cases. Real estate and construction leader Peter Vcelouch acted for Lidl on several construction projects. Georg Konrad and Thomas Trettnak also contribute to the practice.