Department profile
A&O Shearman

Corporate/M&A: High-end Capability

Global Guide 2026 : France

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A&O Shearman

Rankings

Chambers Review

Provided by Chambers

Corporate/M&A: High-end Capability - France

Band 2

What the Team is Known For

A&O Shearman acts for a roster of prominent multinational and domestic clients, utilising its network of offices to advise on multi-jurisdictional transactions. The team boasts strong expertise in corporate deals, including public M&A, equity investments and joint ventures. It is also active on share disposals and restructurings. The lawyers demonstrate broad industry knowledge spanning infrastructure, pharmaceuticals, TMT and banking.

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Work Highlights

Provided by Chambers

  • A&O Shearman advised Saudi Aramco on the acquisition of a 10% equity interest in HORSE Powertrain Limited, valued at EUR7.4 billion.

Strengths

Provided by Chambers

  • A&O Shearman has the lawyers and skills to handle complex cases in a timely manner.

    Corporate/M&A: High-end Capability respondentGlobal

  • A&O Shearman has high-level experts and the ability to draft documents quickly.

    Corporate/M&A: High-end Capability respondentGlobal

  • A&O Shearman has a responsive and experienced team, providing sound advice that is adapted to the situation.

    Corporate/M&A: High-end Capability respondentGlobal

  • The team offers pragmatic advice, is solution-driven and commercially-minded.

    Corporate/M&A: High-end Capability respondentGlobal

  • The A&O Shearman team takes pride in offering legally sound and easily implementable solutions to consistently meet deadlines and ensure that all stakeholders reach an agreement.

    Corporate/M&A: High-end Capability respondentGlobal

Notable Practitioners

Provided by Chambers

  • Marc Castagnède
    Marc Castagnède

    Marc Castagnède

    Marc Castagnède is well versed in a broad range of M&A transactions. He acts for French and international corporates as well as financial institutions and life sciences companies.

    • Marc Castagnède possesses excellent technical skills, strong communication and negotiation abilities and a real capacity for innovation and problem-solving.

      Corporate/M&A: High-end Capability respondentGlobal

    • Marc Castagnède is responsive.

      Corporate/M&A: High-end Capability respondentGlobal
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  • Alexandre Ancel
    Alexandre Ancel

    Alexandre Ancel

    Alexandre Ancel represents corporates and investment funds in M&A deals, frequently within the infrastructure, energy and technology sectors.

    • Alexandre Ancel combines strong technical knowledge with commercial acumen, always keeping our business objectives in focus.

      Corporate/M&A: High-end Capability respondentGlobal

    • Alexandre Ancel's ability to anticipate challenges, propose practical solutions and drive negotiations forward is invaluable.

      Corporate/M&A: High-end Capability respondentGlobal

    • He provided excellent support for the M&A process.

      Corporate/M&A: High-end Capability respondentGlobal
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  • Guillaume Isautier
    Guillaume Isautier

    Guillaume Isautier

    Guillaume Isautier has experience acting on joint ventures, cross-border sales and investments for a range of clients, including financial institutions and life sciences companies.

    • It is a pleasure to work with Guillaume Isautier.

      Corporate/M&A: High-end Capability respondentGlobal

    • Guillaume is technically very good, calm and constructive.

      Corporate/M&A: High-end Capability respondentGlobal

    • He is really reactive and proactive.

      Corporate/M&A: High-end Capability respondentGlobal

    • Guillaume Isautier is incredibly good at what he does and is really hands-on.

      Corporate/M&A: High-end Capability respondentGlobal
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Ranked Individuals at A&O Shearman (3)

France

A&O Shearman has rankings in the following guides

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