Walder Wyss Ltd.

Legal Services | Switzerland
tel: +41 58 658 58 58 | fax: +41 58 658 59 59
Seefeldstrasse 123 | P.O. Box 1236 | Zurich | 8034 | Switzerland

Main Contacts

Reto Vonzun

|
Partner

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. The team of around 250 legal experts - all of whom with a high level of professional qualifications, international experience and excellent knowledge in many languages - is augmented by over 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.

Year this Office was Established: 1972
Lawyers Worldwide: 261

Notable

Areas of Practice

Professionals

Partners

Diana  Akikol

Diana Akikol

Partner
Roger  Ammann

Roger Ammann

Partner
David  Borer

David Borer

Partner
Robert  Desax

Robert Desax

Partner
Samuel  Dürr

Samuel Dürr

Partner
Michael  Feit

Michael Feit

Partner
Urs P Gnos

Urs P Gnos

Partner
Reto  Jacobs

Reto Jacobs

Partner
André  Kuhn

André Kuhn

Partner
Andrea  Meier

Andrea Meier

Partner
Aude  Peyrot

Aude Peyrot

Partner
Luc  Pittet

Luc Pittet

Partner
Hugh  Reeves

Hugh Reeves

Partner
Olivier  Sigg

Olivier Sigg

Partner
Roger  Staub

Roger Staub

Partner
Marco  Strahm

Marco Strahm

Partner
Reto  Vonzun

Reto Vonzun

Partner
Reto  Vonzun

Reto Vonzun

Partner
Lukas  Wyss

Lukas Wyss

Partner
Ramona  Wyss

Ramona Wyss

Partner
Martin  Zobl

Martin Zobl

Partner

Associates

Fabian  Akeret

Fabian Akeret

Senior Associate
Roxane  Allot

Roxane Allot

Managing Associate
Fabian  Altmann

Fabian Altmann

Associate
Kerstin  Arnesson

Kerstin Arnesson

Managing Associate
Maël  Azokly

Maël Azokly

Associate
Mirko  Babic

Mirko Babic

Associate
Quentin  Badoud

Quentin Badoud

Associate
Luca  Belloni

Luca Belloni

Senior Associate
Dimitrios  Berger

Dimitrios Berger

Managing Associate
Nico  Bernhard

Nico Bernhard

Managing Associate
Matteo  Berti

Matteo Berti

Associate
Manuel  Bigler

Manuel Bigler

Managing Associate
Nicolas  Bopp

Nicolas Bopp

Senior Associate
Francesca  Borio

Francesca Borio

Senior Associate
Paul  Brasey

Paul Brasey

Associate
Lisa  Brunner

Lisa Brunner

Senior Associate
Loïc  Bujard

Loïc Bujard

Associate
Christoph  Burckhardt

Christoph Burckhardt

Senior Associate
Valerio  Caccia

Valerio Caccia

Managing Associate
Samuel  Campiche

Samuel Campiche

Senior Associate
Kevin  Caratsch

Kevin Caratsch

Associate
Amina  Chammah

Amina Chammah

Senior Associate
David  Cuendet

David Cuendet

Senior Associate
Marius  Denoth

Marius Denoth

Associate
Merens  Derungs

Merens Derungs

Associate
Lisa  Di Biase

Lisa Di Biase

Senior Associate
Luca  Di Pietro

Luca Di Pietro

Associate
Joffrey  Dobosz

Joffrey Dobosz

Managing Associate
Alex  Domeniconi

Alex Domeniconi

Managing Associate
Giulio  Donati

Giulio Donati

Senior Associate
Bertrand  Donzé

Bertrand Donzé

Senior Associate
Stephanie  Eggimann

Stephanie Eggimann

Managing Associate
Valentina  Eichin

Valentina Eichin

Senior Associate
Anaïs  Essinger

Anaïs Essinger

Associate
Lukas  Fellmann

Lukas Fellmann

Managing Associate
Manu  Ferro

Manu Ferro

Senior Associate
Sonya  Figueredo

Sonya Figueredo

Managing Associate
Lars A Fischer

Lars A Fischer

Associate
Ramona  Fischer-Shand

Ramona Fischer-Shand

Senior Associate
Ada  Franciolli

Ada Franciolli

Associate
Andrea  Futter

Andrea Futter

Associate
Dario  Galli

Dario Galli

Managing Associate
Drilon  Gashi

Drilon Gashi

Associate
Tom  Gassmann

Tom Gassmann

Associate
Elena  Gemes

Elena Gemes

Associate
Anaëlle  Genoud

Anaëlle Genoud

Managing Associate
Lea  Germann

Lea Germann

Associate
Pamela  Giampietro

Pamela Giampietro

Managing Associate
Dario  Glauser

Dario Glauser

Associate
Ursina  Gremminger

Ursina Gremminger

Managing Associate
Marc  Grezella

Marc Grezella

Associate
Tabea  Gutmann

Tabea Gutmann

Managing Associate
Gabrielle  Guye

Gabrielle Guye

Senior Associate
Gustaf  Heintz

Gustaf Heintz

Senior Associate
Jérôme  Heman

Jérôme Heman

Associate
Simon  Henseler

Simon Henseler

Senior Associate
Lucina  Herzog

Lucina Herzog

Senior Associate
Dzeneta  Hrustic

Dzeneta Hrustic

Associate
Marisa  Hunkeler

Marisa Hunkeler

Associate
Tina  Hurni

Tina Hurni

Senior Associate
Arbër  Hyseni

Arbër Hyseni

Associate
Tania  Iakovenko

Tania Iakovenko

Senior Associate
Florian  Iten

Florian Iten

Associate
Mirella  Janett

Mirella Janett

Associate
Vangelis  Kalaitzidakis

Vangelis Kalaitzidakis

Managing Associate
Milos  Karic

Milos Karic

Associate
Tiffany  Kärle

Tiffany Kärle

Associate
Michael  Kissling

Michael Kissling

Managing Associate
Martin  Klingler

Martin Klingler

Senior Associate
Jonas  Knechtli

Jonas Knechtli

Managing Associate
Philippe  Kohler

Philippe Kohler

Managing Associate
Sandrine  Kreiner

Sandrine Kreiner

Managing Associate
Kathryn  Kruglak

Kathryn Kruglak

Senior Associate
Michael  Kündig

Michael Kündig

Managing Associate
Sabrina  Kunz

Sabrina Kunz

Senior Associate
Nadia H Kuzniar

Nadia H Kuzniar

Senior Associate
Annemarie  Lagger

Annemarie Lagger

Managing Associate
Erik  Lanz

Erik Lanz

Senior Associate
Kevin  Laurent

Kevin Laurent

Senior Associate
Julia  Lehner

Julia Lehner

Managing Associate
Nadja D Leuthardt

Nadja D Leuthardt

Managing Associate
Dominik  Loch

Dominik Loch

Associate
Michael  Lysakowski

Michael Lysakowski

Senior Associate
Martina  Madonna-Quadri

Martina Madonna-Quadri

Senior Associate
Benjamin  Malek

Benjamin Malek

Associate
Alma  Marchand

Alma Marchand

Associate
Estelle  Mathis

Estelle Mathis

Senior Associate
Andrea  Menon

Andrea Menon

Associate
Anna  Mentzer

Anna Mentzer

Senior Associate
Hannes  Meyle

Hannes Meyle

Managing Associate
Nicolas  Moreno

Nicolas Moreno

Managing Associate
Lukas  Moser

Lukas Moser

Associate
Yannick A Moser

Yannick A Moser

Managing Associate
Stefanie  Mühlebach

Stefanie Mühlebach

Senior Associate
Michael  Müller-Zhang

Michael Müller-Zhang

Senior Associate
Gillian  Nassisi

Gillian Nassisi

Associate
Sanela  Ninkovic-Jakob

Sanela Ninkovic-Jakob

Senior Associate
Timon  Nydegger

Timon Nydegger

Managing Associate
Jacopo  Ograbek

Jacopo Ograbek

Senior Associate
Mirjam  Olah

Mirjam Olah

Senior Associate
Simon  Olstein

Simon Olstein

Senior Associate
Angelina  Pellegrini

Angelina Pellegrini

Senior Associate
Carine  Pesch

Carine Pesch

Associate
Lorenzo  Petrone

Lorenzo Petrone

Associate
Patricia  Pinto

Patricia Pinto

Senior Associate
Katja  Rauber

Katja Rauber

Associate
Sara  Razgallah

Sara Razgallah

Senior Associate
Kristof  Reber

Kristof Reber

Associate
Benjamin  Reis

Benjamin Reis

Senior Associate
Kento  Reutimann

Kento Reutimann

Associate
Raphael  Riedo

Raphael Riedo

Associate
Natascha  Rizzi

Natascha Rizzi

Managing Associate
Florian  Roth

Florian Roth

Managing Associate
Caroline  Sauthier

Caroline Sauthier

Senior Associate
Ken  Savioz

Ken Savioz

Senior Associate
Letizia  Schlegel

Letizia Schlegel

Senior Associate
Christian A Schmid

Christian A Schmid

Managing Associate
Laurent  Schmidt

Laurent Schmidt

Managing Associate
Valentine  Schnyder

Valentine Schnyder

Managing Associate
Simone  Schürch

Simone Schürch

Senior Associate
Matthieu  Seydoux

Matthieu Seydoux

Managing Associate
Michelle  Sollberger

Michelle Sollberger

Senior Associate
Carmen  Spichiger

Carmen Spichiger

Senior Associate
Céline  Squaratti

Céline Squaratti

Senior Associate
Marina  Srienz

Marina Srienz

Associate
Johannes  Stamm

Johannes Stamm

Associate
Mounia  Stocker

Mounia Stocker

Associate
Basil  Tanner

Basil Tanner

Associate
Tamara  Teuscher

Tamara Teuscher

Associate
Quentin  Thorens

Quentin Thorens

Associate
Karina  Tschon

Karina Tschon

Managing Associate
Felix  Tuchschmid

Felix Tuchschmid

Senior Associate
Luisa  Vatter

Luisa Vatter

Associate
Sarah  Vettiger

Sarah Vettiger

Senior Associate
Mattia  Vidoz

Mattia Vidoz

Managing Associate
Jenny  von Arx

Jenny von Arx

Associate
Alain  von Wattenwyl

Alain von Wattenwyl

Senior Associate
Alice  Vorburger

Alice Vorburger

Managing Associate
Celine  Weber

Celine Weber

Managing Associate
Frederik  Weber

Frederik Weber

Associate
Oerjan  Wickart

Oerjan Wickart

Associate
Valentin  Wiesner

Valentin Wiesner

Managing Associate
Steven  Winter

Steven Winter

Senior Associate
Lukas  Würgler

Lukas Würgler

Associate
Elodie  Yammine

Elodie Yammine

Senior Associate
Tamara  Zeiter

Tamara Zeiter

Associate
Sabrina  Zimmermann

Sabrina Zimmermann

Managing Associate
Dennis  Zingg

Dennis Zingg

Associate
Mathieu  Zufferey

Mathieu Zufferey

Managing Associate

Articles

Revised Telecoms Legislation Enters Into Force

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

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...

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Press releases

Walder Wyss Advised Flexstone Partners in Ecorobotix’s Series D

Ecorobotix SA, the global leader in AI-powered Ultra-High Precision (UHP) spraying, successfully closed its USD 105 million Series D financing round. This round supports Ecorobotix’s mission to drive the future of sustainable agriculture with innovations that improve crop health and efficiency.Flexstone Partners participated in this D round, as well as in previous financing rounds, as investor.Flexstone Partners is an expert in private investments, taking advantage of private equity, real estate, private debt, and infrastructure solutions and specific expertise in the hard-to-access small- and mid-cap market...

Pexapark Acquires RenewaFi

Pexapark, the trusted provider of price data, market intelligence and advisory services for renewable energy, has acquired RenewaFi, the leading platform for renewable energy and battery storage in ERCOT, the grid covering most of Texas. The deal marks Pexapark’s entry into the US, accelerating its mission to bring transparency to the rapidly evolving global renewable energy market.Walder Wyss has advised Pexapark on this transaction. The team was led by Ramona Wyss (Partner, Transactions) and further included Letizia Schlegel (Senior Associate, Corporate/M&A), Christian A...

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