LAWYER PROFILE

Guillaume Isautier

France 2026

A&O Shearman

Ranked in 1 practice area

Corporate/M&A: High-end Capability

France

12 years ranked

About

Provided by A&O Shearman

France

Practice Areas

Guillaume is a partner in the Mergers & Acquisitions practice in France. He advises domestic and international clients in a wide variety of M&A transactions, including purchases and sales of listed and non-listed companies, strategic mergers and joint ventures, as well as business carve-out acquisitions and divestitures. His practice focuses on a broad range of industry sectors including banking, telecom, energy and consumer good & retail sectors. He also regularly represents private equity funds.

Chambers Review

Provided by Chambers

Chambers France

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

Band 4

Individual Editorial

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.

Editorial individuel

Guillaume Isautier a de l’expérience dans les operations de joint ventures, de ventes transfrontalières et d’investissements et accompagne un éventail de clients, notamment des institutions financières et des entreprises du secteur des sciences de la vie.

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Strengths

Provided by Chambers

It is a pleasure to work with Guillaume Isautier.
Corporate/M&A: High-end CapabilityChambers France
Guillaume is technically very good, calm and constructive.
Corporate/M&A: High-end CapabilityChambers France
He is really reactive and proactive.
Corporate/M&A: High-end CapabilityChambers France
Guillaume Isautier is incredibly good at what he does and is really hands-on.
Corporate/M&A: High-end CapabilityChambers France
Il est très réactif et proactif.
Corporate/M&A: High-end CapabilityChambers France
Guillaume excelle techniquement, tout en restant calme et constructif.
Corporate/M&A: High-end CapabilityChambers France