LAWYER PROFILE

Hans-Jakob Diem

Global 2026

Walder Wyss Ltd

Ranked in 1 practice area

Corporate/M&A

Switzerland

17 years ranked

Contributions and articles

1 In-depth overview

Chambers Review

Provided by Chambers

Chambers Global Guide

Corporate/M&A - Switzerland

Band 1

Individual Editorial

Hans-Jakob Diem is a highly esteemed M&A lawyer acting for corporates on public tenders, acquisitions and strategic partnerships. He is at ease advising on both domestic and international transactions.

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Strengths

Provided by Chambers

Hans-Jakob Diem is very hard-working and reliable. He meets deadlines and protects his clients.
Corporate/M&AChambers Global Guide
Hans-Jakob Diem has outstanding expertise and is a highly recognised lawyer. He is analytical, sharp, to the point and pragmatic.
Corporate/M&AChambers Global Guide
Hans-Jakob Diem is very experienced and commercial. He is also a good person to work with as he takes a stance and makes a clear recommendation. It is always a pleasure working with him.
Corporate/M&AChambers Global Guide
Hans-Jakob has the ability to turn highly complex negotiations and strongly differing positions into viable compromises and robust deals in a very short amount of time.
Corporate/M&AChambers Global Guide
Hans-Jakob Diem is a highly experienced lawyer and a pleasure to work with.
Corporate/M&AChambers Global Guide