Department profile
A&O Shearman

Tax

France Guide 2026 : France

Share profile

A&O Shearman

Rankings

Chambers Review

Provided by Chambers

Tax - France

Band 3

What the Team is Known For

A&O Shearman has notable skills in the corporate and finance areas, handling the tax aspects of M&A and private equity transactions. The law firm assists clients active in the energy and financial services sectors. The team additionally acts on behalf of private equity funds, financial institutions and multinational corporations. It is well versed in cross-border mandates.

À propos de l’équipe

A&O Shearman a des compétences notables dans les domaines du corporate et de la finance et gère les aspects fiscaux des opérations de M&A et de private equity. Le cabinet assiste des clients actifs dans les secteurs de l’énergie et des services financiers. L’équipe agit également pour le compte de fonds de private equityt, d’institutions financières et de sociétés multinationales. Il peut aussi traiter les dossiers cross-border.

View ranking table

Work Highlights

Provided by Chambers

  • A&O Shearman advised Andera Partners on the tax aspects of its strategic partnership with New York Life Investments.

  • Le cabinet A&O Shearman a conseillé Andera Partners sur les aspects fiscaux de son partenariat stratégique avec New York Life Investments.

Strengths

Provided by Chambers

  • A&O Shearman offers reliability and the capacity to deliver efficient work in short timeframes. The team has an outstanding level of service.

    Tax respondentFrance

  • The team at A&O Shearman distinguishes itself through remarkable technical mastery combined with a clear and pragmatic approach.

    Tax respondentFrance

  • The expertise that A&O Shearman's tax teams are able to mobilise and deliver enables us to make informed decisions regarding the various tax risks to be managed in complex cases.

    Tax respondentFrance

  • A&O Shearman is efficient in its overall management of tax issues in the context of an international case.

    Tax respondentFrance

  • A&O Shearman has very good knowledge of the industry and always tries to find flexible or innovative solutions.

    Tax respondentFrance
  • L'équipe d'A&O Shearman se distingue par une maîtrise technique remarquable, alliée à une approche claire et pragmatique.
    Tax respondentFrance

Notable Practitioners

Provided by Chambers

  • Guillaume Valois
    Guillaume Valois

    Guillaume Valois

    Guillaume Valois regularly advises well-known multinationals, French corporates, public sector clients and private equity firms on the tax elements of M&A transactions, as well as fund structuring and management incentive plans.

    Guillaume Valois conseille régulièrement des multinationales de renom, des entreprises françaises, des clients du secteur public et des fonds de private equity sur les aspects fiscaux des opérations M&A, ainsi que sur la structuration de fonds et les plans de remunération des dirigeants.

    • Guillaume Valois stands out for his ability to anticipate any issues and his meticulous attention to detail, making him a key asset in addressing any complex tax issue.

      Tax respondentFrance

    • I appreciate working with Guillaume Valois a lot, he is a great listener so he is really good at distilling and analysing all the information that we give him.

      Tax respondentFrance
    • Guillaume Valois se distingue par sa capacité à anticiper les problèmes et son souci du détail, ce qui fait de lui un atout précieux pour traiter toute question fiscale complexe.
      Tax respondentFrance

    • J’apprécie beaucoup travailler avec Guillaume Valois ; il est très à l’écoute et donc très doué pour synthétiser et analyser toutes les informations que nous lui fournissons.

      Tax respondentFrance
    View profile
  • Mathieu Vignon
    Mathieu Vignon

    Mathieu Vignon

    Mathieu Vignon regularly assists financial institutions and corporates with tax advice in connection with acquisitions, financings and fund structurings. He is also equipped to assist clients with contentious and international tax mandates.

    Mathieu Vignon conseille régulièrement des institutions financières et des entreprises dans le cadre d’acquisitions, de financements et de structurations de fonds. Il est également bien équipé pour assister ses clients sur des mandats fiscaux litigieux.

    • Mathieu Vignon has a good level of expertise and good interpersonal skills.

      Tax respondentFrance

    • Mathieu Vignon is an excellent tax lawyer for financing and fund structuring work.

      Tax respondentFrance
    • Mathieu Vignon est un excellent avocat fiscaliste spécialisé dans le financement et la structuration de fonds.
      Tax respondentFrance

    • Mathieu Vignon a un bon niveau d'expertise et de bonnes aptitudes relationnelles.

      Tax respondentFrance
    View profile

Ranked Individuals at A&O Shearman (2)

France

A&O Shearman has rankings in the following guides

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership