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Guillaume Kellner
Lawyers profile
France 2026
Lawyers profile | France 2026: Corporate/M&A: High-end Capability
Guillaume Kellner
Ranked in 1 Practice Areas
6

Band 6

Corporate/M&A: High-end Capability

France

15 Years Ranked

Ranked in Guides
Global 2025

About

Provided by Guillaume Kellner

France

Practice Areas

Partner Guillaume Kellner focuses his practice on mergers and acquisitions, private equity, and securities law. He advises investment funds as well as strategic clients on their acquisition, leverage buyouts, and build-up transactions as well as their reorganization both in France and internationally.

View more at: https://www.mwe.com/people/guillaume-kellner/

Chambers Review

Provided by Chambers

Chambers France

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

6
Band 6
Individual Editorial

Guillaume Kellner of McDermott Will & Emery represents clients in a variety of M&A transactions. He is adept at handling cross-border mandates in the healthcare and energy industries.

Editorial individuel

Guillaume Kellner de McDermott Will & Emery représente des clients dans diverses opérations de fusions et acquisitions. Il est expert dans la gestion de dossiers cross-border dans les secteurs de la santé et de l’énergie.

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Strengths

Provided by Chambers

Guillaume Kellner shows very good expertise and personal involvement in the case.

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

Guillaume Kellner is an excellent professional who gives good advice to his clients and who is a very good dealmaker.

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

Guillaume Kellner est un professionnel d’excellence, qui conseille judicieusement ses clients tout en excellant comme dealmaker.

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

Guillaume Kellner fait preuve d'une très grande expertise et d'un fort engagement personnel dans le dossier.

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

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