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Etienne Mathey

Partner

Etienne Mathey is a partner in August Debouzy's Corporate team, which he joined in January 2024. He specialises in strategic M&A and private equity transactions, both domestic and international.

Etienne has almost 25 years' recognised experience and expertise in mergers and acquisitions, LBOs, growth capital, venture capital and securities law. He handles a wide range of matters, including private equity transactions on behalf of funds and strategic deals (such as carve-outs, joint ventures, and public offerings) for corporate clients, both French and international, in a variety of sectors, including defense, luxury, healthcare, and telecommunications

He also advises on complex pre-litigation and litigation matters (including post-acquisition and shareholder disputes).

Before joining the firm, Étienne Mathey worked at French and Anglo-Saxon law firms such as RAMBAUD MARTEL (2003 - 2006), PROSKAUER ROSE LLP (2006 - 2011) and PAUL HASTINGS (2011 - 2023), where he became a partner in 2014.

In 2005, Étienne was named as the “best young business lawyer” in a competition sponsored by ACE, the French Association of Corporate Lawyers.

Practice Area

  • Private Equity
  • Private Clients
  • M&A

  • Distressed M&A

  • Securities Law


Education

  • Corporate Lawyer Diploma (DJCE) and Diploma in business law from the Franco-German Business Lawyers Advanced Master’s program (Magistère), Robert Schuman University (Strasbourg), 1999
  • Post-graduate degree (Maîtrise) in Law, Robert Schuman University (Strasbourg), 1998


Bar admission

  • Paris, 2001


Languages

French | English | German

BEST LAWYERS 2025
(Recognized in Best Lawyers since 2023)

Corporate Law, Mergers and Acquisitions Law

DÉCIDEURS STRATÉGIE FINANCE DROIT 2024
MERGERS & ACQUISITIONS

Distressed M&A: excellent
Operations worth between €75m & €500m:
leading
  • AD Deal

    August Debouzy advises ATLAND on the acquisition of STAM Europe from Corestate Capital Holding.

    August Debouzy has advised French real estate group ATLAND on the signing of an agreement to acquire 100% of the share capital of STAM Europe from Corestat

  • AD Deal

    August Debouzy advised Chausson Matériaux on the acquisition of Frans Bonhomme’s business in France

    August Debouzy advised Chausson Matériaux, France’s leading independent distributor of building materials, on the acquisition of Frans Bonhomme’s business in France, the French leader in multi-channel distribution of materials and solutions for networks and infrastructures.

  • AD Deal

    August Debouzy Advises Menix Group on the Sale of Global D to Naxicap Partners

    The law firm August Debouzy advised the Menix Group on the sale of its subsidiary Global D, specializing in dental implantology, to Naxicap Partners. This strategic transaction aims for significant growth over the next five years through a buy-and-build strategy, industrial innovations, and international expansion. August Debouzy’s multidisciplinary team, led by Étienne Mathey, leveraged its expertise in Corporate, Tax, Employment Law, and IP/IT to support this key deal.

  • AD Deal

    August debouzy has advised the Menix group on the sale of Serf sas to the Stryker group

    August Debouzy has advised the Menix Group, one of the French leaders in orthopaedic prostheses and dental implants, on the sale of Serf SAS, the division

  • AD Life

    August Debouzy continues its sustained growth strategy within its Corporate M&A team with the arrival of Etienne Mathey as a partner

    August Debouzy is pleased to announce the arrival of Étienne MATHEY as of January 2024, as a new partner within the Corporate M&A team. This arrival, w

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