Department profile
Darrois Villey Maillot Brochier

Competition/European Law

France Guide 2026 : France

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Darrois Villey Maillot Brochier

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About

Provided by Darrois Villey Maillot Brochier

The firm advises on competition and other European Union aspects of transactions, handles matters related to cartels and abuses of dominant position and intervenes with and makes submissions to applicable national and European authorities. The firm also represents clients before other sector regulators and administrative tribunals and advises clients on public procurement, delegation of public services and other administrative contracts.

Chambers Review

Provided by Chambers

Competition/European Law - France

Band 2

What the Team is Known For

Darrois Villey Maillot Brochier has a strong practice with an impressive roster of clients comprising domestic companies and large multinationals. The law firm is active on large-scale merger control mandates, often advising on clearance at French and European levels. The team is also involved in contentious work, including cartel cases, as well as abuse of dominance investigations and related appeals and follow-on private damages actions. The firm is a popular choice with clients from the automotive, financial services and TMT sectors.

À propos de l’équipe

Darrois Villey Maillot Brochier dispose d’une équipe avec une liste impressionnante de clients comprenant des entreprises nationales et de grandes multinationales. Le cabinet intervient dans des mandats de contrôle des concentrations à grande échelle, conseillant souvent sur des autorisations aux niveaux français et européen. L’équipe assiste également dans des litiges, y compris des affaires d'ententes, ainsi qu’à des enquêtes sur l’abus de position dominante et à des appels connexes et à des réclamations de dommages subséquentes. Le cabinet est un choix populaire auprès des clients des secteurs de l’automobile, des services financiers et des télécommunications.

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Work Highlights

Provided by Chambers

  • Darrois advised Atos on the competition law aspects of the contemplated acquisition of Atos’ advanced computing business by the French State.

Strengths

Provided by Chambers

  • Darrois has extensive knowledge of the FCA, including its case managers, helping our company to understand how to defend the allegations against us.

    Competition/European Law respondentFrance

  • We can count on Darrois for an expertise that is very solid and strong engagement. The team knows us well which means the advise is tailored to us.

    Competition/European Law respondentFrance

  • I appreciate the team's responsiveness, availability, professionalism of the approach and fluidity of exchanges.

    Competition/European Law respondentFrance

  • Darrois is highly responsive, has impressive market expertise and is collegial to work with.

    Competition/European Law respondentFrance

  • The team has excellent technical skills, customer service, personal involvement of partners and searches for the most suitable solutions.

    Competition/European Law respondentFrance

  • J’apprécie la réactivité de l’équipe, sa disponibilité, son professionnalisme et la fluidité des échanges.

    Competition/European Law respondentFrance

Notable Practitioners

Provided by Chambers

  • Guillaume Aubron
    Guillaume Aubron

    Guillaume Aubron

    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.

    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.

    • 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 Law respondentFrance

    • 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 Law respondentFrance

    • Guillaume Aubron is very dedicated and hands-on. He is always there for us and has very good knowledge of competition law.

      Competition/European Law respondentFrance

    • He provides perfect service and hands-on advice that is easy to use in practice.

      Competition/European Law respondentFrance

    • Guillaume Aubron is always approachable and thinks ahead.

      Competition/European Law respondentFrance
    • 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 Law respondentFrance
    • Guillaume Aubron est très impliqué et concret. Il est toujours disponible et possède une excellente connaissance du droit de la concurrence.
      Competition/European Law respondentFrance
    • Guillaume Aubron est toujours accessible et prévoyant.
      Competition/European Law respondentFrance

    • Guillaume Aubron excelle dans le traitement des questions complexes en droit de la concurrence et sait simplifier les concepts complexes pour ses clients. Il a une approche pragmatique et orientée vers le business.

      Competition/European Law respondentFrance

    • Il offre un service impeccable et des conseils pratiques faciles à mettre en œuvre.

      Competition/European Law respondentFrance
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  • Constance Bocket
    Constance Bocket

    Constance Bocket

    Up-and-comer Constance Bocket is added to this table on the back of an increasingly active practice. She is sought out for her experience in merger control and gun-jumping cases before the FCA and EC. She is also adept at handling follow-on damage actions.

    Constance Bocket, avocate prometteuse, rejoint ce classement grâce à une activité de plus en plus soutenue. Elle est recherchée pour son expérience en matière de contrôle des concentrations et de décisions anticipées devant la FCA et la CE. Elle est également compétente pour gérer les réclamations de dommages.

    • Constance Bocket is very nice and easy to work with.

      Competition/European Law respondentFrance

    • She is a top lawyer.

      Competition/European Law respondentFrance

    • Constance Bocket is very good to work with, she manages the case really well. She is very pertinent, precise and to the point, which we appreciate tremendously. She shows perfect mastery of the case.

      Competition/European Law respondentFrance

    • C’est un plaisir de travailler avec Constance Bocket ; elle gère le dossier avec brio. Elle est très pertinente, précise et directe, ce que nous apprécions énormément. Elle maîtrise parfaitement le dossier.

      Competition/European Law respondentFrance

    • C'est une avocate de premier plan.

      Competition/European Law respondentFrance

    • Constance Bocket est très agréable et c'est facile de travailler avec elle.

      Competition/European Law respondentFrance
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Ranked Individuals at Darrois Villey Maillot Brochier (2)

France

Members

Provided by Darrois Villey Maillot Brochier

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