LAWYER PROFILE

Guillaume Isautier

Global 2026

A&O Shearman

Ranked in 1 practice area

Corporate/M&A: High-end Capability

France

6 years ranked

About

Provided by A&O Shearman

Global

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.

Career

Université Paris X-Nanterre, DESS Droit du Commerce International

Golden Gate University, LL.M. Taxation

Admissions: Paris

Languages: French; English

Personal

https://www.shearman.com/people/i/isautier-guillaume

Chambers Review

Provided by Chambers

Chambers Global Guide

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.

Learn more about this team View ranking table

Strengths

Provided by Chambers

It is a pleasure to work with Guillaume Isautier.
Corporate/M&A: High-end CapabilityChambers Global Guide
Guillaume is technically very good, calm and constructive.
Corporate/M&A: High-end CapabilityChambers Global Guide
He is really reactive and proactive.
Corporate/M&A: High-end CapabilityChambers Global Guide
Guillaume Isautier is incredibly good at what he does and is really hands-on.
Corporate/M&A: High-end CapabilityChambers Global Guide