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

1,044 Profile Views

Alexander Howe

Feb 04, 2026

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

I've already told all my friends and family about Guillaume Kellner. If you need Mergers and Acquisitions Law help in null, they're the ones to see without any doubt. They are local experts who really...

Maria O'Hara

Feb 04, 2026

Excellent legal representation provided by Guillaume Kellner for my Mergers and Acquisitions Law case

Really glad I found Guillaume Kellner for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If you're in...

June Ebert

Feb 04, 2026

Reliable lawyer you can count on - Guillaume Kellner provided excellent service throughout

Needed help with Mergers and Acquisitions Law and Guillaume Kellner delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in null looking for high-q...

Sheryl Bayer

Feb 04, 2026

Reliable lawyer you can count on - Guillaume Kellner provided excellent service throughout

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...

Sara Bernhard

Feb 04, 2026

Many thanks to Guillaume Kellner for the hard work and dedication to my legal matter

Guillaume Kellner is fantastic and very professional. Don't hesitate to hire them if you're in null and need help. They really know their stuff and will go the extra mile to make sure you're taken car...