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CERHA HEMPEL
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Corporate/M&A

About

Provided by CERHA HEMPEL

CERHA HEMPEL is one of the leading corporate law firms in Central and Eastern Europe with its headquarters in Vienna.

With over 200 lawyers, we offer our clients experience and expertise in all areas of corporate and commercial law, both in Austria and our 6 locations in Central and Eastern Europe.

We focus not only on classic M&A, but also on private equity transactions, and we specialise in resolving complex, often cross-border issues in a practical and commercially-oriented manner.

Due to the diversity of our clients, we have developed particular expertise in public M&A, including takeover law and regulatory compliance under financial markets laws.

Our strategy places a strong emphasis on Central and Eastern Europe (CEE). With our offices located throughout the CEE region, we are well-positioned to assist clients with complex cross-border transactions.

In recent years, the firm has successfully developed multinational Practice Groups that consistently collaborate on cross-border projects. These groups engage colleagues from all offices to enhance teamwork, thereby improving both the quality and efficiency of the services we deliver.

CERHA HEMPEL was named "Law Firm of the Year Austria" 2025 by the renowned British specialist publisher in recognition of its outstanding and innovative achievements.

Chambers Review

Provided by Chambers

Corporate/M&A - Austria

1
Band 1

What the Team is Known For

CERHA HEMPEL is home to a highly respected team with a proven track record in acting for both buyers and sellers on public and private M&A. The team boasts extensive experience in share acquisitions and offers additional expertise in the area of joint ventures. CERHA HEMPEL advises clients across a range of sectors, including those active in financial services, transport, automotive and energy. The law firm also provides advice on venture capital investments. Its strength in cross-border mandates further illustrates CERHA HEMPEL's market position.

Work Highlights

  • CERHA HEMPEL advised OMV in connection with the acquisition by ADNOC of Mubadala's interest in OMV. 

Strengths

Provided by Chambers

A key strength of CERHA HEMPEL is the dedication of the whole team to serve the needs of its clients and its outstanding commitments to get things exceptionally well done within short timeframes.

Corporate/M&A respondent
Global

The team delivers the best service for us; it fully understands what we need, reacts unbelievably fast and is always to the point. It does not only know the law but truly understands our business.

Corporate/M&A respondent
Global

CERHA HEMPEL is a truly international firm that can handle all cross-border work in an excellent manner. The department stands out because of its utmost responsiveness and technical skills.

Corporate/M&A respondent
Global

The lawyers at CERHA HEMPEL deliver not only exceptional quality advice which is always on time but also have in-depth knowledge of our business needs.

Corporate/M&A respondent
Global

We choose CERHA HEMPEL because the team is very dedicated to the assigned tasks. There is high senior partner involvement which brings a lot of value from a client's point of view.

Corporate/M&A respondent
Global

Notable Practitioners

Provided by Chambers

Albert Birkner
1
Albert Birkner
1
Band 1
Albert Birkner is renowned for his market-leading role in large-scale and often cross-border acquisitions and sales across the banking and manufacturing sectors. He often acts for a number of high-profile private equity companies.

Albert Birkner is an excellent lawyer. He is very skilled in governance and legal matters and he is also very quick and responsive. I would highly recommend him.

Albert Birkner is our lawyer of trust. He is open-minded, commercially aware, sees the opportunities where they are and never holds things up with unnecessary dogmatic attitudes.

Albert Birkner is a very good communicator and is cool and level-headed in tense situations. He is a very good colleague to partner up with.

Albert Birkner is the go-to lawyer for corporate/M&A matters in Austria. He is extremely knowledgeable and capable of explaining even the most complex matters in understandable terms.

Albert Birkner is the face and anchorman of CERHA HEMPEL. We are happy and proud that he works with us. He is a bespoke and excellent lawyer.

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Clemens Hasenauer
1
Clemens Hasenauer
1
Band 1

Clemens Hasenauer is widely appreciated for his prowess in handling complex and prominent transactions across Austria, including acquisitions and sales in the energy and technology sectors. He also assists with the dissolution of joint ventures and share acquisitions.

Clemens Hasenauer is definitely one of the best lawyers, always providing first-class service and enjoying our full trust.

He is a great negotiator and helps a lot on defining negotiation strategy and implementing it. He is very skilled in leading his team.

He is not only a pleasure to work with but he is also extremely knowledgeable and simply brilliant when it comes to finding solutions for sophisticated issues.

Clemens Hasenauer is the best choice when it comes to corporate/M&A advice in Austria. He is simply excellent in advising on large transactions, in particular in a cross-border context.

He is exceptionally service-oriented and a very bright lawyer. We always rely on him when things get really complicated since he is constantly delivering the highest possible quality of service.

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Thomas Trettnak
4
Thomas Trettnak
4
Band 4

Thomas Trettnak is a trusted adviser for transactions in the banking and technology sectors. He holds specialist knowledge in the venture capital and start-up arenas.

Thomas Trettnak is a very smart lawyer.

I have enjoyed working with Thomas Trettnak for several years.

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Ranked Lawyers at
CERHA HEMPEL

Provided by Chambers
Filter by
Band

Austria

Corporate/M&A
Albert Birkner
1
Albert Birkner
1
Band 1
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Clemens Hasenauer
1
Clemens Hasenauer
1
Band 1
View Profile
Thomas Trettnak
4
Thomas Trettnak
4
Band 4
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Members

Provided by CERHA HEMPEL