LAWYER PROFILE

Guillaume Aubron

France 2026

Darrois Villey Maillot Brochier

Ranked in 1 practice area

Competition/European Law

France

3 years ranked

About

Provided by Darrois Villey Maillot Brochier

France

Practice Areas

Guillaume Aubron advises on all aspects of French and EU competition law.

He has vast expertise in merger control cases, advising blue-chip clients on how to best navigate complex regulatory aspects of cross-border M&A transactions and conducting filings proceedings both before the French competition authority and the European Commission as well as in multijurisdictional filings.

He also has significant experience in behavioural matters, representing clients in public investigations and related jurisdictional challenges, at French and EU level, as well as in private litigation.

Career

Guillaume Aubron is a partner in Darrois Villey Maillot Brochier's antitrust and regulatory practice. He joined the firm in 2011, became counsel in 2020 and partner in 2022.

Professional Memberships

Member of the board of the Association des Avocats Pratiquant le Droit de la Concurrence (APDC)

Chambers Review

Provided by Chambers

Chambers France

Competition/European Law - France

Band 4

Individual Editorial

Guillaume Aubron moves up in the rankings on the back of his adept assistance to clients seeking high-profile merger clearance before the FCA and EC, as well as representing them in disputes around alleged restrictive practices and in challenges to FCA decisions.

Editorial individuel

Guillaume Aubron progresse dans le classement grâce à son assistance aux clients cherchant à obtenir une autorisation de concentrations et de FSR de haut niveau devant la FCA et la CE, ainsi que dans de procédures d'antitrust.

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Strengths

Provided by Chambers

Guillaume Aubron is an exceptional competition lawyer, who is also a commercially aware and collaborative partner who one can rely on for absolute support and commitment to client service.
Competition/European LawChambers France
Guillaume Aubron is very good at working on difficult questions in antitrust law and he can simplify complex concepts to clients. He has a business-oriented way of thinking.
Competition/European LawChambers France
Guillaume Aubron is very dedicated and hands-on. He is always there for us and has very good knowledge of competition law.
Competition/European LawChambers France
He provides perfect service and hands-on advice that is easy to use in practice.
Competition/European LawChambers France
Guillaume Aubron is always approachable and thinks ahead.
Competition/European LawChambers France
Guillaume Aubron est un avocat exceptionnel en droit de la concurrence, qui est également un associé avisé, doté d'un esprit de collaboration et sur lequel on peut compter pour un soutien et un engagement sans faille envers ses clients.
Competition/European LawChambers France