Corporate and M&A

Legal 500 - Corporate and M&A (Tier 2)

CHSH Cerha Hempel Spiegelfeld Hlawati’s ‘commercially minded’ team gives ‘high-quality advice’ on cross-border M&A, other transactions and reorganisations. The ‘very responsive’ Clemens Hasenauer led advice to OMV on the sale of a 49% stake in Gas Connect Austria to a consortium formed by Allianz Group and Snam. Albert Birkner assisted Immofinanz with its acquisition of a 26% stake in CA Immobilien Anlagen from O1, a private equity and venture capital firm.

IFLR 1000 - Mergers & Acquisitions (Tier 1)

In M&A the firm was involved in a number of large cross-border deals, most notably representing Immofinanz in its €604 million acquisition of 26% in CA Immo and OMV on €601 million sale of 49% in Gas Connect Austria, and its €1.36 billion sale of OMV Petrol Ofisi.

Chambers & Partners - Corporate and M&A (Band 1)

What the team is known for Highly respected team with a proven track record in acting for both buyers and sellers in public and private M&A. Offers notable expertise in takeovers involving listed companies. Well known for large-scale mergers and reorganisations, including cross-border matters. A popular choice for private equity mandates. Particularly experienced in advising financial services and telecommunications companies. 

Strengths "The team has vast experience and top-notch knowledge. They are quick, reliable and focused on the client’s interests."

"The lawyers are really great from both a technical and a business perspective."

"They didn't just see the purely legal context but really had a grasp on the economic and business context too and could apply that."

What's new? New client wins include Julius Berger International, Ahrenkiel and Shell. 

Work highlights Assisted Mitterbauer Beteiligungs-Aktiengesellschaft, the majority shareholder of Miba, with all issues related to Miba going private.

Advised Capita on its EUR210 million acquisition of avocis.

Significant clients Samsung, OMV, Spar, Telekom Austria Group, Strabag.

Notable practitioners  

Senior partner Edith Hlawati is a prominent and highly esteemed figure in the market, combining a profound wealth of experience with renowned technical expertise. "She has a very strong reputation for leading on CHSH's transactional and capital markets work," a source confirms. 

Albert Birkner is a market-leading M&A lawyer also offering expertise in corporate reorganisations, public takeovers and joint ventures. Clients say he is a "brilliant lawyer, most motivated on behalf of his clients. He is highly knowledgeable and absolutely passionate about what he does. He thinks on his feet and explains complex situations clearly." He is also highly active on cross-border transactions and recently advised Telekom Austria on the merger of its subsidiary Vip operator DOOEL Skopje with a subsidiary of the Telekom Slovenije Group.

Clemens Hasenauer's recent mandates include acting for IMS Health on its acquisition of Cegedim. Clients state: "We very much value his strong ability to think not only in legal but also in commercial terms. He gives us the feeling of security in every situation." Another client adds: "Clemens is one of the best negotiators who is not only very effective but also finds solutions that really work in highly complex situations." His key area of practice is takeover and acquisition law.

Thomas Trettnak lately represented the Tecalux Group in a variety of issues including significant corporate governance matters. He is active in corporate reorganisations and restructurings and often advises both venture capital and private equity clients. He is US-qualified.


  • The Legal 500 2017: Europe, Middle East & Africa 
  • IFLR 1000  2018 - The Guide to the World's Leading Financial Law Firms 
  • Chambers & Partners 2017, Chambers Europe - Europe's Leading Lawyers for Business