World wide

Wenger Vieli AG

Full Service Commercial Law Firm based in Zürich and Zug.

About us

Wenger Vieli Ltd. is a nationally and internationally active law firm with offices in Zurich and Zug. For more than forty years, we have been advising and representing national and international companies as well as private clients residing in or outside Switzerland primarily in all areas of business and tax law. Providing advice on a personal level and having small teams attend to our clients allows us to respond quickly and individually to our clients’ particular needs. We advise and represent our clients in a productive, goal-oriented and efficient manner.

Wenger Vieli Ltd. employs around 60 experts who, in addition to their professional expertise, bring along the necessary team spirit and knowledge of human nature to ensure optimum cooperation with clients.

Thanks to our size, the composition of our team of experts and state-of-the-art technical infrastructure, we are able to take on national and international engagements that are both labor-intensive and sophisticated. We advise our clients in German, English, French, Italian, Spanish, Czech and Russian.

Key contact(s)

Wolfgang Zuercher

Wolfgang Zuercher

Wenger Vieli AG, Metallstrasse 9, CH-6302 Zug

T: +41 58 958 58 58

Dominique Mattmann

Dominique Mattmann

Wenger Vieli AG, Metallstrasse 9, CH-6302 Zug

T: +41 58 958 55 40

Contact details

Zürich

Wenger Vieli AG, Dufourstrasse 56, CH-8034 Zürich, Switzerland

Tel: +41 58 958 58 58

w.zuercher@wengervieli.ch

www.wengervieli.ch

Zug

Metallstrasse 9, CH-6302 Zug, Switzerland

Tel: +41 58 958 58 58

w.zuercher@wengervieli.ch

www.wengervieli.ch

Facts

1 country

founded in

6 languages

Areas of expertise

  • Mergers & Acquisition
  • Corporate Law
  • Financial services
  • Litigation
  • Venture

Visit our website for more information: www.wengervieli.ch

Member News

Young Lawyers Group – Online Meeting

Young Lawyers Group – Online Meeting

The Young Lawyers Group (YLG), co-led by Dominique Mattmann and Olivia Mulvany, is hosting a Teams meeting on Wednesday 25th September at 2pm BST/3pm CET to introduce members to one another, discuss who will attend the conference in Munich in November, and explore the...

read more

What Our Clients Say

“What I enjoy most is the company! It is a rare privilege to be consistently surrounded by a gathering of such acute legal minds”

Luci Hamilton

Global Business Development Advisor at IMW Law USA

“We joined Interact Law as the Türkiye member firm with the belief that collaboration makes us all stronger. Working alongside like-minded firms, sharing knowledge, and supporting one another across borders enables us to offer more effective and well-rounded legal solutions. Interact Law’s strong sense of trust and cooperation reflects exactly how we like to work.”

Ceyda Metin Tabak

Founding Partner at GTO Law & Consultancy

Interact has helped my legal practice immensely, both with referrals and with knowledge of legal regulations around the world.  I therefore enjoy the opportunity to give something back to the organization that has enriched my life.

William Vita

Partner at Shook Hardy & Bacon

“The network has provided us with a powerful platform for international coverage”

Piotr Witecki

Partner at Octo Legal

“Interact Law has introduced us to capable attorneys around the world that can help us to assist our U.S. based clients”

Mickee Hennessy

Westerman Ball Ederer Miller Zucker & Sharfstein

“Success looks like working together with the great people at Interact Law on interesting deals for our common clients”

James Mayor

Partner at Shook Hardy & Bacon

“We always receive on-the-spot and proficient advice from our colleagues across the network”

Krisztina Voicu

Partner at CEE Attorneys

Our decision to join Interact Law stems from our commitment to delivering commercially sound, cross-border legal solutions to our clients. We see immense value in collaborating with trusted legal professionals across jurisdictions. Interact Law offers an ideal platform for knowledge exchange, strategic alliances, and enhancing our ability to support clients navigating international challenges.”

Gerrit Coetzee

Owner and Partner Gerrit Coetzee Attorneys

‘InterAct Law is not only a rapid expanding group of trusted international colleagues, but it is also a group of interesting people, and even a team of good friends.’

Joris Lensink

Partner at De Vos & Partners, The Netherlands

‘The close relations to law firms in other countries around the world are extremely helpful for our clients and our firm by having reliable and highly professional business partners.’

Christian Heimerl

Germany