Walder Wyss

Walder Wyss


Walder Wyss is one of the most successful and fastest-growing Swiss commercial law firms. We specialise 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 more than 180 legal experts – all of whom have a high level of professional qualification, 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.


Offices: Zurich, Geneva, Basel, Berne, Lausanne, Lugano

Executive Board: Johannes Bürgi, Luc Defferrard, Hans Rudolf Trüeb, Florian Gunz Niedermann, Reto Vonzun

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



Art, entertainment and sports; energy and infrastructure; financial services; healthcare and life sciences; industry and commerce; information technology and telecommunications; insurance; media and communications; private clients; public sector; real estate.



Antitrust and competition; arbitration; corporate and commercial; corporate crime and investigations; corporate finance and capital markets; data protection; employment; financial products; insolvency and restructuring; intellectual property and technology transfer; litigation; mergers and acquisitions; notary; outsourcing; private equity and venture capital; public procurement; regulatory; tax; trade and distribution.


Main Office

Walder Wyss Ltd.

Seefeldstrasse 123

PO Box

8034 Zurich



Telephone +41 58 658 58 58

Fax +41 58 658 59 59



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Law Business Research Ltd

87 Lancaster Road, London
W11 1QQ, UK