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Walder Wyss AG

Zürich,
PRACTICE AREAS:: 34 THE BEST LAWYERS IN SWITZERLAND™ AWARDS:: 66
67 Attorneys

About Walder Wyss AG

Office Locations

Zürich, CH Headquarters

Seefeldstrasse 123, Zürich 8008

41 58 658 58 58

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Basel, CH

Aeschenvorstadt 48, P.O. Box 633, Basel 4010

41 58 658 10 00

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Berne, CH

Christoffelgasse 6, Berne 3001

41 58 658 20 00

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Geneva, CH

14 Rue du Rhône, Geneva 1204

41 58 658 30 00

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Lausanne, CH

Avenue du Théâtre 1, Lausanne 1005

41 58 658 80 00

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Lugano, CH

Via F. Pelli 12, Lugano 6901

41 58 658 40 00

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Leadership Team

Florian Gunz Niedermann

lic. iur., LL.M., Attorney at Law, Partner

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Irène Suter-Sieber

Dr. iur., Attorney at Law, Certified Specialist SBA Employment Law, Partner

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Michael Isler

Dr. iur., Attorney at Law, Partner

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Katja Schott-Morgenroth

lic. iur. HSG, Attorney at Law, Notary, Partner

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Pierre-Alain Guillaume

lic. iur., LL.M., Attorney at Law, Partner

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Awards & Recognition

Featured Awards

PRACTICE AREAS: 34

THE BEST LAWYERS IN SWITZERLAND™ AWARDS: 66

All Awards

  • Top Listed in Switzerland with 68 lawyers
  • Top Listed in Switzerland in Corporate Law with 16 lawyers
  • Top Listed in Switzerland in Information Technology Law with 5 lawyers
  • Top Listed in Switzerland in Litigation with 11 lawyers
  • Top Listed in Switzerland in Mergers and Acquisitions Law with 15 lawyers
  • Top Listed in Switzerland in Public Law with 5 lawyers
  • Top Listed in Switzerland in Real Estate Law with 8 lawyers
  • Top Listed in Switzerland in Technology Law with 6 lawyers
  • Top Listed in Zürich with 42 lawyers
  • Top Listed in Basel in Corporate Law with 5 lawyers
  • Top Listed in Zürich in Information Technology Law with 4 lawyers
  • Top Listed in Zürich in Public Law with 4 lawyers
  • Top Listed in Zürich in Real Estate Law with 6 lawyers
  • Top Listed in Zürich in Technology Law with 4 lawyers

Notable Clients

Bayer (global life science company) Credit Suisse (major Swiss bank) Migros (largest Swiss retail company) Pifzer (world's largest research-based pharmaceutical company) UBS (major Swiss bank)

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Reviews

4.5 / 5

50 Reviews

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Tommy Hills

Feb 02, 2026

Finding Walder Wyss AG was the best thing that happened during my tough Corporate Law battle

Last year, I found myself in a really difficult spot with a Corporate Law problem in undefined. I had no idea where to start and was honestly terrified of the process. Walder Wyss AG was recommended t...

W

Wilfred Kihn

Feb 02, 2026

Outstanding experience with Walder Wyss AG in undefined - truly the best legal team

Honestly, I can't thank Walder Wyss AG enough for everything they've done for me. They really know their stuff when it comes to Corporate Law and it shows in the results. 10/10 would recommend to anyo...

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Barry Wilkinson

Feb 02, 2026

A huge weight off my shoulders thanks to the amazing work of Walder Wyss AG

Everyone at Walder Wyss AG's office in undefined was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never felt like...

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Ted Kemmer

Feb 02, 2026

I was completely overwhelmed until I found Walder Wyss AG for my Corporate Law case

Last year, I found myself in a really difficult spot with a Corporate Law problem in undefined. I had no idea where to start and was honestly terrified of the process. Walder Wyss AG was recommended t...

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Leo Ebert

Feb 02, 2026

Walder Wyss AG did a great job handling my complex Corporate Law case from start to finish

Solid experience overall with the law firm of Walder Wyss AG. They know Corporate Law inside and out and gave me great advice. Very helpful and got the job done exactly as they said they would. If you...