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Key contacts
Managing Partner: Daniel Hayek
Managing Partner: Dr. Hans-Ulrich Brunner
Managing Partner: Dr. Christian Casanova
Quick facts
Lawyers

40

Partners

15

Languages

German, English, French, Italian, Mandarin, Swedish

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
Firm overview

PRAGER DREIFUSS is one of Switzerland’s leading law firms for business law. We offer outstanding quality and strive for solutions for our clients that are adapted to legal and economic realities. Our attention is equally focused on legal issues as on controlling business risks. With years of experience and in-depth expertise, PRAGER DREIFUSS is ideally positioned to advise and support international and domestic clients in a wide field of legal matters.

Prager Dreifuss' latest news
Client feedback

The Insolvency & Restructuring team is "Efficient and devoted to their clients' needs" with clients stating: "They really care, you get the partners' time, creativity and input."

The Competition & Regulatory Team: Clients value the "responsiveness and client dedication and its high levels of availability, quick perception and excellent analytical thinking."

Key transactional practices
  • Banking
  • Capital markets: Debt, derivatives and equity
  • Competition
  • Financial restructuring and insolvency 
  • Financial services regulatory
  • Investment funds
  • M&A
  • Private equity
  • Venture capital
  • Project finance
  • Real estate finance
Key transactional practices and contacts

Banking & Finance:
Daniel Hayek
daniel.hayek@prager-dreifuss.com
Dr. Andreas Moll
andreas.moll@prager-dreifuss.com

Recent transactional highlights

  • Advising a syndicate of lenders on Swiss issues in refinancing of USD 900 million of a group of chemical industry companies.

Corporate & M&A:
Dr. Andreas Moll
andreas.moll@prager-dreifuss.com

Recent transactional highlights:

  • Advising a Swiss energy trading company with regard to corporate and transactional in the unbundling of the Swiss energy sector.

Insolvency & Restructuring:
Daniel Hayek
daniel.hayek@prager-dreifuss.com

Recent transactional highlights:

  • Assisted Attestor Value Master Fund with the analysis of bankruptcy claims.
  • Leading a group of bondholders in negotiations and litigation proceedings against Banca Monte dei Paschi di Siena and the European Commission;

Capital Markets:
Prof. Dr. Urs Bertschinger
urs.bertschinger@prager-dreifuss.com

Dr. Michael Mosimann
michael.mosimann@prager-dreifuss.com

Recent transactional highlights:

  • Providing advice with respect to regulatory requirements of the distribution of foreign collective investment schemes in Switzerland, including several ICOs (initial coin offerings).
Other offices

Brussels Office
Avenue Louise 235
1050 Brussels
Belgium
T: +32 2 537 0949
F: +32 2 537 2116
E: info@prager-dreifuss.com
W: www.prager-dreifuss.com

Berne Office
Schweizerhof-Passage 7
3011 Bern
Switzerland
T: +41 31 327 5454
F: +41 31 327 5499
E: info@prager-dreifuss.com
W: www.prager-dreifuss.com

Address:
Mühlebachstrasse 6
8008 Zürich
Tel:+ 41 44 254 55 55 Fax:+ 41 44 254 55 99 Email:Contact Us Web Address:https://www.prager-dreifuss.com
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
View full list

Tier 1

Homburger
8 practice areas
View full profile
Niederer Kraft Frey
9 practice areas
View full profile
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
View full profile
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
M&A
Tier 5
26 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

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
Restructuring and insolvency
Tier 3
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

Founded in 1980, Prager Dreifuss is a recognised Swiss law firm active across financial and corporate transactional advisory. The firm, which has offices in Zurich, Bern, Zug and Brussels, advises both domestic and international clients, assisted by their relationships with other law firms globally.  The firm has presence in corporate M&A, banking and finance, capital markets, restructuring and insolvency and financial service regulatory work.

  

Highlights

The firm is best known for its work in restructuring and insolvency, but also has notable banking and finance, capital markets and M&A practices. In banking and finance, the firm represents lending and borrowing clients in senior financing and facility agreements. 

In capital markets, the firm advises on initial coin offerings and cryptocurrency mandates.  

In M&A, the firm advises sellers and buyers in acquisitions in the media, asset management and energy industries. 

In restructuring and insolvency, the firm advises bondholders and indentures trustees in insolvencies and bankruptcies. 

  

Deal Highlights
2 results2 results
Deal Name Deal Date Firm Name Jurisdiction Deal Type Lawyer Names Client Names Client Role
Deutsche Bank Trust Company Americas; Wilmington Trust National Association - Insolvency
2021-02-25
Prager Dreifuss
Switzerland
Insolvency
Daniel Hayek
Deutsche Bank Trust Company Americas, Wilmington Trust National Association
Creditor
Attestor Value Master Fund - Restructuring
2021-02-25
Prager Dreifuss
Switzerland
Restructuring
Daniel Hayek
Attestor Value Master Fund
Creditor
Daniel Hayek and Mark Meili of Prager Dreifuss look at the rules, practicalities and latest developments in a friendly, but recently more challenging environment for cross-border financing
Terminology used by regulators to define oil and gas as solid has caused a backlash
All the winning deals, teams, individuals and firms were revealed at IFLR’s ceremony in London on April 4
Sponsored

Sponsored

  • IFLR1000
    Sponsored by Prager Dreifuss
    Urs Feller and Marcel Frey of Prager Dreifuss describe what to expect when foreign parties start knocking at the doors of Swiss enforcement authorities with a judgment in hand
  • IFLR1000
    Sponsored by Prager Dreifuss
    Daniel Hayek and Alexander Flink of Prager Dreifuss assess the options and framework for parties raising capital in Switzerland