Firm Profile

Header Image for Walder Wyss AG

Walder Wyss AG

Law Firm of the Year Badge

Headquarters

Seefeldstrasse 123
Zürich 8034
Switzerland
41 58 658 58 58

Firm Details

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 around 240 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.

 

Management

Pierre-Alain Guillaume
lic. iur., LL.M., Attorney at Law, Partner
Florian Gunz Niedermann
lic. iur., LL.M., Attorney at Law, Partner
Michael Isler
Dr. iur., Attorney at Law, Partner
Irène Suter-Sieber
Dr. iur., Attorney at Law, Certified Specialist SBA Employment Law, Partner
Reto Vonzun
Dr. iur., LL.M., Attorney at Law, Partner

Law Firm of the Year Awards

  • Real Estate Law in Switzerland (2022)

Top Listed National Awards

  • Top Listed in Switzerland with 54 lawyers
  • Top Listed in Switzerland in Information Technology Law with 6 lawyers
  • Top Listed in Switzerland in Mergers and Acquisitions Law with 12 lawyers
  • Top Listed in Switzerland in Real Estate Law with 6 lawyers
  • Top Listed in Switzerland in Technology Law with 4 lawyers
  • Top Listed in Switzerland in Telecommunications Law with 4 lawyers

Top Listed City Awards

  • Top Listed in Zürich with 34 lawyers
  • Top Listed in Basel in Corporate Law with 4 lawyers
  • Top Listed in Zürich in Information Technology Law with 6 lawyers
  • Top Listed in Zürich in Real Estate Law with 5 lawyers
  • Top Listed in Zürich in Technology Law with 4 lawyers
  • Top Listed in Zürich in Telecommunications Law with 4 lawyers

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)

"Law Firm of the Year"

Law Firm of the Year Badge for 2022 Switzerland
Switzerland's 2022 "Law Firm of the Year" in Real Estate Law

Firm Practice Areas

  • Antitrust/Competition Law
  • Arbitration and Mediation
  • Capital Markets Law
  • Construction Law
  • Corporate Law
  • Energy Law
  • Entertainment Law
  • Family Law
  • Financial Institutions
  • Information Technology Law
  • Insolvency and Reorganization Law
  • Insurance Law
  • Intellectual Property Law
  • Investment Funds
  • Litigation
  • Media Law
  • Mergers and Acquisitions Law
  • Outsourcing Law
  • Private Equity Law
  • Public Law
  • Real Estate Law
  • Regulatory Practice
  • Sports Law
  • Structured Finance Law
  • Tax Law
  • Telecommunications Law
  • Trade Law
  • Transportation Law
  • Venture Capital Law

Office Locations

Switzerland

Switzerland

Basel, Switzerland

Aeschenvorstadt 48

Basel 4010

Switzerland

41 58 658 10 00

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Berne, Switzerland

Christoffelgasse 6

Berne 3001

Switzerland

41 58 658 20 00

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Geneva, Switzerland

Rue d'Italie 10

Geneva 1211

Switzerland

41 58 658 30 00

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Lausanne, Switzerland

Avenue du Théâtre 1

Lausanne 1002

Switzerland

41 58 658 80 00

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Lugano, Switzerland

Via F. Pelli 12

Lugano 6901

Switzerland

41 58 658 40 00

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Zürich, Switzerland

Seefeldstrasse 123

Zürich 8034

Switzerland

41 58 658 58 58

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