Guillaume Kellner

4.5 (33 reviews )

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Mergers and Acquisitions Law Private Equity Law

Recognized in Best Attorney USA since 2014

33 1 81 69 15 00 Website

About Guillaume

Guillaume Kellner is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law and Private Equity Law.Guillaume, who practices law in paris, France, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Guillaume is held by other top lawyers in the same geographic and legal practice area.

Guillaume Kellner is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law and Private Equity Law.

Guillaume, who practices law in paris, France, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Guillaume is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Mergers and Acquisitions Law

Private Equity Law

Awards & Recognition

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Reviews

4.5 / 5

33 Reviews

1,042 Profile Views

Marshall Swift

Feb 04, 2026

Solid work and professional service from Guillaume Kellner in null for null residents

Solid experience overall with the law firm of Guillaume Kellner. They know Mergers and Acquisitions Law inside and out and gave me great advice. Very helpful and got the job done exactly as they said...

Jo Daugherty

Feb 04, 2026

A very good experience overall with the entire team at Guillaume Kellner's legal practice

I appreciate how Guillaume Kellner handled my case. No fluff, just straight to the point and very effective representation for my Mergers and Acquisitions Law matter. They are obviously very experienc...

Sergio Upton

Feb 04, 2026

Would recommend Guillaume Kellner for sure to anyone in null needing legal help

Just wanted to say a huge thanks to Guillaume Kellner and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their...

Anne Swift

Feb 04, 2026

Guillaume Kellner did a great job handling my complex Mergers and Acquisitions Law case from start to finish

James Turcotte

Feb 04, 2026

Guillaume Kellner did a great job handling my complex Mergers and Acquisitions Law case from start to finish

It's hard finding a reliable lawyer these days, but Guillaume Kellner in null is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, responsive,...