Walder Wyss AG

4.5 (50 reviews )

Zürich,

PRACTICE AREAS:: 34 THE BEST LAWYERS IN SWITZERLAND™ AWARDS:: 66

67 Attorneys

41 58 658 58 58 Visit Website Directions

About Walder Wyss AG

Walder Wyss is one of the most successful and fastest growing Swiss commercial law firms. We specialize in corporate and commercial law, banking and finance, intellectual property and competition law, dispute resolution and tax law. Our clients include national and international companies, publicly held corporations and family businesses as well as public law institutions and private clients.We are a dynamic law firm with flat management structures. The team of more than 280 legal experts – all of whom with a high level of professional qualifications, international experience and excellent knowledge in many languages – is augmented by approximately 100 employees working in support functions.Growth and a close relationship to our clients are the factors that determine our success. Walder Wyss was established in Zurich in 1972 and has since grown continuously. With offices in Zurich, Geneva, Basel, Berne, Lausanne and Lugano, we provide our clients with a seamless one-stop-shop, personalised and high quality services in all language regions of Switzerland.Our strong national and international network of correspondents and partners from a broad range of disciplines are selected according to the highest standards of professional competence.

Our Attorneys (67)

Irène Suter-Sieber

Irène Suter-Sieber

(36)

N/A

Labor and Employment Law

Martin Zobl

Martin Zobl

(6)

N/A

Administrative Law Public Law

Hans Rudolf Trüeb

Hans Rudolf Trüeb

(30)

N/A

Antitrust/Competition Law Corporate Law

Martin Busenhart

Martin Busenhart

(31)

N/A

Tax Law Venture Capital Law

Lukas Wyss

Lukas Wyss

(37)

N/A

Banking and Finance Law

Monique Sturny

Monique Sturny

(32)

N/A

Antitrust/Competition Law Public Law

Reto Jacobs

Reto Jacobs

(36)

N/A

Antitrust/Competition Law Bet-the-Company Litigation

Dieter Hofmann

Dieter Hofmann

(33)

N/A

Arbitration and Mediation Litigation

Rodolphe Gautier

Rodolphe Gautier

(34)

N/A

Arbitration and Mediation International Arbitration

Liburn Mehmetaj

Liburn Mehmetaj

(37)

N/A

Banking and Finance Law

Patrick W. Vogel

Patrick W. Vogel

(31)

N/A

Banking and Finance Law Corporate Law

Urs Schenker

Urs Schenker

(34)

N/A

Banking and Finance Law Capital Markets Law

Hans-Jakob Diem

Hans-Jakob Diem

(5)

N/A

Capital Markets Law Corporate Law

Urs P. Gnos

Urs P. Gnos

(31)

N/A

Capital Markets Law Mergers and Acquisitions Law

Thomas P. Müller

Thomas P. Müller

(38)

N/A

Construction Law Real Estate Law

Rayan Houdrouge

Rayan Houdrouge

(31)

N/A

Immigration Law Labor and Employment Law

Michael Isler

Michael Isler

(32)

N/A

Information Technology Law Intellectual Property Law

Mark A. Reutter

Mark A. Reutter

(6)

N/A

Information Technology Law Media Law

David Vasella

David Vasella

(31)

N/A

Information Technology Law Technology Law

Markus Frick

Markus Frick

(32)

N/A

Intellectual Property Law

Showing 21 to 40 of 67 results

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Office Locations

Zürich, CH Headquarters

Seefeldstrasse 123, Zürich 8008

41 58 658 58 58

Get Directions

Basel, CH

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

41 58 658 10 00

Get Directions

Berne, CH

Christoffelgasse 6, Berne 3001

41 58 658 20 00

Get Directions

Geneva, CH

14 Rue du Rhône, Geneva 1204

41 58 658 30 00

Get Directions

Lausanne, CH

Avenue du Théâtre 1, Lausanne 1005

41 58 658 80 00

Get Directions

Lugano, CH

Via F. Pelli 12, Lugano 6901

41 58 658 40 00

Get Directions

Leadership Team

Florian Gunz Niedermann

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

View Profile

Irène Suter-Sieber

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

View Profile

Michael Isler

Dr. iur., Attorney at Law, Partner

View Profile

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

View Profile

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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R

Ralph Thiel-Reichert

Feb 02, 2026

Highly recommend Walder Wyss AG for anyone needing expert Corporate Law help in undefined

If you're looking for someone who actually cares and will fight for you, go to Walder Wyss AG. They helped me out big time with my Corporate Law issue and kept me informed at every step of the process...

J

Juan Hand

Feb 02, 2026

Excellent legal representation provided by Walder Wyss AG for my Corporate Law case

Walder Wyss AG is fantastic and very professional. Don't hesitate to hire them if you're in undefined and need help. They really know their stuff and will go the extra mile to make sure you're taken c...

E

Estelle Nicolas

Feb 02, 2026

Many thanks to Walder Wyss AG for the hard work and dedication to my legal matter

Walder Wyss AG is fantastic and very professional. Don't hesitate to hire them if you're in undefined and need help. They really know their stuff and will go the extra mile to make sure you're taken c...

D

Dominick Flatley

Feb 02, 2026

Many thanks to Walder Wyss AG for the hard work and dedication to my legal matter

If you need a Corporate Law lawyer, Walder Wyss AG is the one to call. Great job and very responsive team. They kept me in the loop and always had time to explain the details of my case. I felt like I...

M

Merle Hyatt

Feb 02, 2026

Highly recommend Walder Wyss AG for anyone needing expert Corporate Law help in undefined

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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