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Key contacts
Managing Partner: Bruno Bächli
Quick facts
Partners

24

Other fee earners

90

Languages

Czech, English, French, German, Italian, Russian, Spanish, Turkish

Other office

Zug

Network memberships

Meritas, WTS Global, International Bar Association (IBA)

Key practice areas
Banking and finance
Capital markets
Capital markets : Debt
Capital markets : Equity
Financial and corporate
Financial services regulatory
Corporate and M&A
Restructuring and insolvency
M&A
Project development
Firm overview

Wenger Vieli advises companies and individual clients on matters of domestic and international law and taxation. Our wealth of experience and expertise in all areas of commercial law allow us to deliver precisely what our clients need.

We are a member of Meritas, one of the largest international associations of independent law firms, and collaborate with WTS Global, a worldwide network of selected tax consultancy firms.

Although our offices in Zurich and Zug are deeply rooted in the heart of Europe, we operate internationally. Whether we are working with companies or individual clients in Switzerland or overseas, our team always speaks the right language.

Key transactional practices
  • Banks & Financial Services Providers
  • Competition Law
  • Construction & Real Estate Law
  • Corporate & Commercial Law
  • Data Law
  • Energy Law
  • Financial Market Infrastructure Law
  • Financing
  • FinTech
  • Funds & Asset Management
  • Immigration Law
  • Information Technology Law
  • Inheritance Law & Estate Planning
  • Insurance
  • Intellectual Property Law
  • Labor & Employment Law
  • Litigation & Arbitration
  • Media Law
  • Mergers & Acquisitions
  • Notarial Services
  • Pharmaceutical & Health Law
  • Restructuring & Insolvency
  • Tax Law
  • Venture Capital & Private Equity
  • White-Collar Crime
Address:
Dufourstrasse 56
CH-8034 Zürich
Tel:+41 58 958 5858 Email:Contact Us Web Address:http://www.wengervieli.ch/?lang=en-US
Rankings published in 2026
Banking and finance
Tier 4
22 firms ranked
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Tier 1

Bär & Karrer
7 practice areas
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Homburger
8 practice areas
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Lenz & Staehelin
9 practice areas
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Niederer Kraft Frey
9 practice areas
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Tier 2

Advestra
7 practice areas
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Baker McKenzie
7 practice areas
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Pestalozzi
8 practice areas
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Schellenberg Wittmer
8 practice areas
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Walder Wyss
9 practice areas
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Tier 3

CMS von Erlach Partners
7 practice areas
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Loyens & Loeff
8 practice areas
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MLL Legal
8 practice areas
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VISCHER
7 practice areas
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Tier 4

Bratschi
6 practice areas
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FBT Attorneys-at-law
3 practice areas
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Kellerhals Carrard
8 practice areas
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Prager Dreifuss
9 practice areas
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Wenger Plattner
8 practice areas
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Wenger Vieli
10 practice areas
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burckhardt Ltd
4 practice areas
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Notable

Buis Bürgi
2 practice areas
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Oberson Abels
4 practice areas
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Capital markets : Debt
Notable
17 firms ranked
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Tier 1

Homburger
8 practice areas
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Niederer Kraft Frey
9 practice areas
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Walder Wyss
9 practice areas
View full profile

Tier 2

Advestra
7 practice areas
View full profile
Baker McKenzie
7 practice areas
View profile
Bär & Karrer
7 practice areas
View full profile
Lenz & Staehelin
9 practice areas
View full profile
Pestalozzi
8 practice areas
View full profile

Tier 3

Kellerhals Carrard
8 practice areas
View profile
MLL Legal
8 practice areas
View full profile
Schellenberg Wittmer
8 practice areas
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VISCHER
7 practice areas
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Notable

CMS von Erlach Partners
7 practice areas
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Lindemann Law
1 practice area
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Prager Dreifuss
9 practice areas
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Wenger Vieli
10 practice areas
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valfor Rechtsanwälte
8 practice areas
View profile
Capital markets : Equity
Notable
16 firms ranked
View full list

Tier 1

Bär & Karrer
7 practice areas
View full profile
Homburger
8 practice areas
View full profile
Lenz & Staehelin
9 practice areas
View full profile
Niederer Kraft Frey
9 practice areas
View full profile

Tier 2

Advestra
7 practice areas
View full profile
Baker McKenzie
7 practice areas
View profile
Walder Wyss
9 practice areas
View full profile

Tier 3

Kellerhals Carrard
8 practice areas
View profile
MLL Legal
8 practice areas
View full profile
Pestalozzi
8 practice areas
View full profile
Schellenberg Wittmer
8 practice areas
View full profile

Tier 4

VISCHER
7 practice areas
View full profile

Notable

CMS von Erlach Partners
7 practice areas
View full profile
Prager Dreifuss
9 practice areas
View full profile
Wenger Vieli
10 practice areas
View full profile
valfor Rechtsanwälte
8 practice areas
View profile
Financial services regulatory
Tier 3
21 firms ranked
View full list

Tier 1

Bär & Karrer
7 practice areas
View full profile
Homburger
8 practice areas
View full profile
Lenz & Staehelin
9 practice areas
View full profile
MLL Legal
8 practice areas
View full profile
Niederer Kraft Frey
9 practice areas
View full profile
Pestalozzi
8 practice areas
View full profile
Walder Wyss
9 practice areas
View full profile

Tier 2

CMS von Erlach Partners
7 practice areas
View full profile
FBT Attorneys-at-law
3 practice areas
View full profile
Oberson Abels
4 practice areas
View profile
Schellenberg Wittmer
8 practice areas
View full profile
VISCHER
7 practice areas
View full profile

Tier 3

Barandun
3 practice areas
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Kellerhals Carrard
8 practice areas
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Künzi Hess MacNab
3 practice areas
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Loyens & Loeff
8 practice areas
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Wenger Plattner
8 practice areas
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Wenger Vieli
10 practice areas
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Notable

373 Avocats & Associés
1 practice area
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Advestra
7 practice areas
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Nobel & Partner
1 practice area
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M&A
Tier 3
26 firms ranked
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Tier 1

Bär & Karrer
7 practice areas
View full profile
Homburger
8 practice areas
View full profile
Lenz & Staehelin
9 practice areas
View full profile
Niederer Kraft Frey
9 practice areas
View full profile

Tier 2

Pestalozzi
8 practice areas
View full profile
Schellenberg Wittmer
8 practice areas
View full profile
Walder Wyss
9 practice areas
View full profile

Tier 3

Advestra
7 practice areas
View full profile
Baker McKenzie
7 practice areas
View profile
CMS von Erlach Partners
7 practice areas
View full profile
Kellerhals Carrard
8 practice areas
View profile
Loyens & Loeff
8 practice areas
View full profile
MLL Legal
8 practice areas
View full profile
VISCHER
7 practice areas
View full profile
Wenger Vieli
10 practice areas
View full profile

Tier 4

Bratschi
6 practice areas
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Wenger Plattner
8 practice areas
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id est avocats
3 practice areas
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Tier 5

Prager Dreifuss
9 practice areas
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burckhardt Ltd
4 practice areas
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Notable

BMG Avocats
2 practice areas
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Barandun
3 practice areas
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Eversheds Sutherland
1 practice area
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Goldblum and Partners
5 practice areas
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Kasser Schlosser Avocats
1 practice area
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valfor Rechtsanwälte
8 practice areas
View profile
Project development
Active
4 firms ranked
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Notable

Niederer Kraft Frey
9 practice areas
View full profile
Walder Wyss
9 practice areas
View full profile

Active

Lenz & Staehelin
9 practice areas
View full profile
Wenger Vieli
10 practice areas
View full profile
Restructuring and insolvency
Tier 4
21 firms ranked
View full list

Tier 1

Lenz & Staehelin
9 practice areas
View full profile
Wenger Plattner
8 practice areas
View full profile

Tier 2

Bär & Karrer
7 practice areas
View full profile
Homburger
8 practice areas
View full profile
Kellerhals Carrard
8 practice areas
View profile
Niederer Kraft Frey
9 practice areas
View full profile
Schellenberg Wittmer
8 practice areas
View full profile
Walder Wyss
9 practice areas
View full profile

Tier 3

Baker McKenzie
7 practice areas
View profile
Prager Dreifuss
9 practice areas
View full profile
VISCHER
7 practice areas
View full profile

Tier 4

CMS von Erlach Partners
7 practice areas
View full profile
MLL Legal
8 practice areas
View full profile
Pestalozzi
8 practice areas
View full profile
Wenger Vieli
10 practice areas
View full profile

Notable

Bratschi
6 practice areas
View full profile
Goldblum and Partners
5 practice areas
View full profile
Holenstein Brusa
1 practice area
View profile
Loyens & Loeff
8 practice areas
View full profile
Staiger Schwald & Partner
6 practice areas
View profile
Transliq
1 practice area
View profile
Linked Reviews
Financial and corporate

Wenger Vieliis a Swiss law firm focused primarily on tax and business law, though it is also active in the financial and corporate advisory space. It has offices in Zurich and Zug.  

  

Focusses / specialisms   

The firm is recognised for its work in the banking and finance and M&A, in addition to boasting notable capital markets and project development practices. 

In banking and finance, the team advises borrowers and lenders on bilateral loans, debt financing, real estate, project and acquisition financing transactions. The firm also advises startups on financing rounds.  

The firm’s capital markets group is active on both equity and debt-side transactions, though it emphasises the representation of equity-side issuers. 

In M&A, the firm advises international and domestic bidders, selling shareholders, investors and buyers for acquisitions in a range of sectors, including real estate, renewable energy, private equity and retail.  

The project development team represents clients largely in the energy industry on project acquisitions, financings and development-related matters.  

  

Key clients   

Among the firm’s key clients are Unigestion,Klingel Medical Metal, Vontobel Holding, Jakob Müller, Kandou,Frontify, Left LaneBurckhardt Compression, Molten Ventures, NLS Pharmaceutics, Sygnum Bank and Turnqey. 

 

Client feedback: 33rd edition (2023/2024) 

Financial services regulatory     

“Prompt response, ability to deliver practical solutions.”

 

Investment funds           

“They are very experienced with Swiss law and regulations and have a very pragmatic approach to handling situations.”

 

M&A    

“Accurate understanding of clients' needs and objectives and effective implementation into the deal structure. 

“Highly experienced, broad oversight and command of corporate and M&A matters, very business minded, forthcoming and client-oriented thinking, no budget overruns.”

 

Private equity  

“They were answering quickly, were available, of good advice and business-oriented.

“Knowledgeable, high quality, timely, reliable, responsive, solution oriented.”

 

Project development    

“Wenger & Vieli are highly experienced lawyers, able to present complex legal advice in a client friendly manner and to support company's management in identifying compliant and business-oriented solutions to legal issues.”

 

Project finance

“Very pragmatic, quick in understanding, responsive.”

 

Restructuring   

“Quick response and good accessibility at partner level. professional negotiation and good preparation for the case.”

 

Andreas Hünerwadel    

“Very experience in project finance, restructuring.”

 

Martin  Peyer   

“Very responsive and able to assist on variety of matters in quick, cost efficient and effective manner.”

“Very knowledgeable, client and solution oriented, highly responsive and reachable, very good work quality, good communicator, well managed process, very reliable.”

 

Beat Speck         

“Beat is excellent in what he does – I’ve known and worked with him for the past 17 years. He is attentive, honest, open, and finds great solutions. His passion is very visible, and he has made a lasting effect on our company.”

“Very good knowledge of business relevant topics and solutions.”

“Highly experienced, calm and business-minded; client-centered thinking, quick, analytic, forthcoming.”

“Beat is highly knowledgeable and experienced, always striving to provide high quality advice in a way which is user friendly and business oriented. He always meets deadlines and is very accessible.”

 

Marc Walter     

“Competent, friendly, multilingual, effective, honest and straightforward.”

“He is of good advice and business-oriented.”

 

Daniel S. Weber

“Daniel developed all the procedures for risk management around regulation, compliance and transactions, and managed the compliance regulation structure related to ethics and anti-bribery.”

 

Georg Zondler

“Clear and fast communication for urgent problems - and don't forget the cost implications.”

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