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Walder Wyss Ltd.

Walder Wyss Ltd.  

Legal Services | Switzerland

tel: +41 58 658 58 58 | fax: +41 58 658 59 59
Seefeldstrasse 123 | Zurich | 8034 | Switzerland

Main Contacts

Walder Wyss Ltd.'s Overview

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 and a very friendly atmosphere. The team of 200 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 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.

  • Year this Office was Established: 1972
  • Number of Offices Worldwide: 6
  • Lawyers Worldwide: 240

Languages: Croatian, Dutch, English, French, German, Greek, Hebrew, Hindi, Hungarian, Italian, Persian, Polish, Rhaeto-Romanic, Russian, Serbian, Spanish, Swedish


Areas of Practice
  • Antitrust & Competition
  • Arbitration
  • Art, Entertainment & Sports
  • Corporate & Commercial
  • Corporate Crime & Investigations
  • Corporate Finance & Capital Markets
  • Data Protection
  • Dataprotection
  • Employment
  • Energy & Infrastructure
  • Financial Products
  • Financial Services
  • Healthcare & Life Sciences
  • Industry & Commerce
  • Information Technology & Telecommunications
  • Insolvency & Restructuring
  • Insurance
  • Intellectual Property & Technology Transfer
  • Litigation
  • Media & Communications
  • Mergers & Acquisitions
  • Notary
  • Outsourcing
  • Private Clients
  • Private Equity & Venture Capital
  • Public Procurement
  • Public Sector
  • Real Estate
  • Regulatory
  • Tax
  • Trade & Distribution


Managing Associate

Roger Ammann

Roger AmmannManaging Associate

Marion Baehler

Marion BaehlerManaging Associate

Antonio Carbonara

Antonio CarbonaraManaging Associate

Alexander Eichhorn

Alexander EichhornManaging Associate

Gion Giger

Gion GigerManaging Associate

Christine Glaettli

Christine GlaettliManaging Associate

Boris Raeber

Boris RaeberManaging Associate

Of Counsel



Revised Telecoms Legislation Enters Into Force
Walder Wyss Ltd., January 2021

Parliament has revised the federal telecoms legislation – in particular, the Federal Telecommunications Act (TCA) and its various implementing ordinances. These revised regulations entered into force on 1 January 2021. The revision of the telecoms legislation brings about several fundamental changes that affect consumers as well as telecoms service providers (TSPs) and telecoms operators. Consumer protections The revised Swiss telecoms legislation offers increased protection for consumers in different areas. Concerning international roaming, per-second pricing (instead of per-minute pricing) and tariff options should benefit consumers by reducing costs...

Implementation of 2018-2022 National Strategy for the Protection of Switzerland Against Cyber Risks – Quarterly Report
Walder Wyss Ltd., November 2020

On 19 October 2020 the Federal Council's Cyber Committee adopted a report on the advancement of the 2018-2022 national strategy for the protection of Switzerland against cyber risks (2018-2022 NCS) and its gradual implementation. The report focuses mainly on the progress made in supporting small and medium-sized enterprises (SMEs) and promoting research and training. Overall, the report concludes that much progress has been made in the implementation of the 2018-2022 NCS and that, in general, the process is on track. More specifically, the report notes that one-third of the 247 measures under the NCS have been achieved...

All articles submitted by Walder Wyss Ltd.


Walder Wyss opens new offices in Geneva and Lausanne
Walder Wyss Ltd., January 2016

As of 1 January 2016, our team has been strengthened by a dozen qualified Swiss lawyers who joined Walder Wyss in our new offices in Geneva and Lausanne. We are excited about this move and welcome our new colleagues. Our new partners in Geneva and Lausanne are Philippe Pulfer, Patrick W. Vogel and Nicolas Iynedjian. The team in Geneva is being strengthened by Olivier Sigg as Counsel, Hubertus Hillerström as Managing Associate as well as Adriano Antonietti, Azadeh Djalili and Laura Luongo as Associates. The team in Lausanne is being strengthened by Alexandre Both as Managing Associate as well as Mathieu Blanc, Alexandra Brenner and Benoît Fischer as Associates...

All press submitted by Walder Wyss Ltd.

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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