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Key contacts
Partner: Florian Gunz Niedermann
Partner: Pierre-Alain Guillaume
Partner: Olivier Nicod
Partner: Katja Schott-Morgenroth
Quick facts
Number of lawyers

300

Number of partners

83

Languages

Albanian, Arabic, Bosnian, Bulgarian, Croatian, Czech, Dutch, English, Farsi, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Norwegian, Polish, Portuguese, Rhaeto Romanic, Russian, Serbian, Spanish, Swedish

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

Walder Wyss is one of Switzerland’s leading law firms, specialising in corporate and commercial law, banking and finance, intellectual property and competition law, dispute resolution and tax law. Walder Wyss has established a leading position in specific sectors and product areas. Its national and international networks of correspondents and partners from a broad range of disciplines are selected according to the highest standards of professional competence.

Client feedback

“Extremely responsive, knowledgeable, patient. Careful, precise. Readily explained local formalities.”

“Hands on work mentality, always punctual and try to find the best possible outcome for all sides.”

Practice areas
  • Arbitration
  • Art & Entertainment
  • Banking, Finance & Insurance
  • Capital Markets
  • Commercial Contracts
  • Competition
  • Corporate / M&A
  • Data & Technology
  • Employment
  • Energy & Infrastructure
  • ESG & Sustainability
  • Healthcare & Life Sciences
  • Intellectual Property
  • Litigation
  • Notarial Services
  • Private Clients
  • Private Equity & Funds
  • Public Law & Litigation
  • Public Procurement
  • Real Estate & Construction
  • Restructuring & Insolvency
  • Sports
  • Start-ups & Venture Capital
  • Tax
  • White Collar Crime & Investigations
Key practice contacts and recent transactional highlights

Banking & Finance:
Pierre-Alain Guillaume
Partner
pierre-alain.guillaume@walderwyss.com 

Francis Nordmann
Partner
francis.nordmann@walderwyss.com

Lukas Wyss
Partner
lukas.wyss@walderwyss.com

Recent transactional highlights:

  • Advising Swiss Life Ltd. (SIX-listed) on its EUR 750m undated subordinated bond;
  • Advising Gategroup (SIX-delisted) on its CHF 350m bond.
  • More deals and cases.

Mergers & Acquisitions:
Urs P. Gnos
Partner
urs.gnos@walderwyss.com

Markus Vischer
Senior Counsel
markus.vischer@walderwyss.com

Urs Schenker
Counsel
urs.schenker@walderwyss.com

Recent transactional highlights:

  • Advising Sanofi on its strategic partnership with Lonza regarding the establishment of a joint venture to build and operate a large-scale facility;
  • Advising the sole owner of software solution provider AutoForm on the sale of a majority stake in the AutoForm Group to Astorg Partners, one of the most successful independent private equity companies in Europe;
  • Advising Allied World Assurance Company Holdings (NYSE-listed) on its USD 4.9bn sale to Fairfax Financial Holdings Limited (TSX-listed) through public exchange offer.
  • More deals and cases.

Capital Markets:
Theodor Härtsch
Partner
theodor.haertsch@walderwyss.com

Alex Nikitine
Partner
alex.nikitine@walderwyss.com

Lukas Wyss
Partner
lukas.wyss@walderwyss.com

Recent transactional highlights:

  • Advising Auris Medical Holding AG (NASDAQ-listed) on its first Controlled Equity Offering (structured as an “at the market offering”);
  • Advising a syndicate of lenders in connection with the public takeover offer for all shares in Kuoni Reisen Holding AG (SIX-delisted).
  • More deals and cases.

Real Estate:
Johannes A. Bürgi
Partner
johannes.buergi@walderwyss.com

Francis Nordmann
Partner
francis.nordmann@walderwyss.com

Marco Strahm
Partner
marco.strahm@walderwyss.com

Recent transactional highlights:

  • Advising the seller of a large life science campus in Basel towards the community of Basel as buyer;
  • Advising Pradera on the acquisition of a Swiss real estate asset within a pan-European real estate portfolio of IKEA Centers.
  • More deals and cases.

TMT:
Mark A. Reutter
Partner
mark.reutter@walderwyss.com

Hans Rudolf Trüeb
Partner
hansrudolf.trueb@walderwyss.com

Recent transactional highlights:

  • Advising a global Swiss-based financial services group on several global IT outsourcing transactions, including drafting and negotiating the contracts and assisting in their implementation;
  • Advising more than 200 companies of largest Swiss retailer as lead advisors on its global GDPR implementation project.
  • More deals and cases.

For a complete list of our areas of expertise please visit: https://www.walderwyss.com/en/practice-areas/

Other offices
  • Switzerland
    14 Rue du Rhône
    1204 Geneva
    T: +41 58 658 30 00

  • Switzerland
    Aeschenvorstadt 48
    4051 Basel
    T: +41 58 658 10 00

  • Switzerland
    Christoffelgasse 6
    3011 Bern
    T: +41 58 658 20 00

  • Switzerland
    Avenue du Théâtre 1
    1005 Lausanne
    T: +41 58 658 80 00

  • Switzerland
    Via F. Pelli 12
    6901 Lugano
    T: +41 58 658 40 00

Address:
Seefeldstrasse 123
Zurich, 8034
Tel:+41586585858 Email:Contact Us Web Address:https://www.walderwyss.com/en
2026 Edition
Banking and finance
Tier 2
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
View profile
Capital markets : Debt
Tier 1
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
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Tier 2

Advestra
7 practice areas
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Baker McKenzie
7 practice areas
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Bär & Karrer
7 practice areas
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Lenz & Staehelin
9 practice areas
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Pestalozzi
8 practice areas
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Tier 3

Kellerhals Carrard
8 practice areas
View profile
MLL Legal
8 practice areas
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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
Tier 2
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
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Tier 3

Kellerhals Carrard
8 practice areas
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MLL Legal
8 practice areas
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Pestalozzi
8 practice areas
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Schellenberg Wittmer
8 practice areas
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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
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Wenger Vieli
10 practice areas
View full profile
valfor Rechtsanwälte
8 practice areas
View profile
Capital markets : Structured finance and securitisation
Tier 1
8 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
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Tier 2

Lenz & Staehelin
9 practice areas
View full profile
Pestalozzi
8 practice areas
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Tier 3

MLL Legal
8 practice areas
View full profile
Schellenberg Wittmer
8 practice areas
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Notable

Kellerhals Carrard
8 practice areas
View profile
Financial services regulatory
Tier 1
21 firms ranked
View full list

Tier 1

Bär & Karrer
7 practice areas
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Homburger
8 practice areas
View full profile
Lenz & Staehelin
9 practice areas
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MLL Legal
8 practice areas
View full profile
Niederer Kraft Frey
9 practice areas
View full profile
Pestalozzi
8 practice areas
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Walder Wyss
9 practice areas
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Tier 2

CMS von Erlach Partners
7 practice areas
View full profile
FBT Attorneys-at-law
3 practice areas
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Oberson Abels
4 practice areas
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Schellenberg Wittmer
8 practice areas
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VISCHER
7 practice areas
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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 2
26 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

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

Advestra
7 practice areas
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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
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MLL Legal
8 practice areas
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VISCHER
7 practice areas
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Wenger Vieli
10 practice areas
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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
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Project development
Notable
4 firms ranked
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Notable

Niederer Kraft Frey
9 practice areas
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Walder Wyss
9 practice areas
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Active

Lenz & Staehelin
9 practice areas
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Wenger Vieli
10 practice areas
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Restructuring and insolvency
Tier 2
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
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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
The Swiss firm Walder Wyss boasts six locations across the country in Basel, Berne, Geneva, Lausanne, Lugano and Zurich. The firm focuses its specialism in corporate and commercial law, banking and finance, competition law and intellectual property. The firm is known for its active work in banking and finance, capital markets and the M&A sector.

Highlights

The firm advised Cembra Money Bank and Zürcher Kantonalbank on the establishment of Cembra’s CHF 1 billion Auto Covered Bond Programme and the inaugural CHF 150 million bond issuance, creating only the second Swiss covered bond programme backed by auto lease receivables and leased vehicles

The firm also advised Helvetia Holding AG on its merger of equals with Baloise Holding AG, creating Helvetia Baloise Holding AG, one of continental Europe’s largest insurers with a combined market capitalisation of approximately CHF 18 billion. The transaction represents a landmark consolidation in the Swiss insurance sector and highlights the team's expertise in complex public M&A.

Testimonials 2026

"Outstanding competence and advise, also in relation to complicated circumstances and tight timelines, very reliable work and solutions that tackle complicated issues." - Capital markets: Equity

"Walder Wyss combines deep market knowledge with practical execution capabilities. Urs Hofer is highly experienced in complex fund structures." - Investment funds

"A significant contribution to thinking through issues and asking critical questions about the business, very responsive service." - M&A

"Very experienced, agile, creative and empathic lawyers who supported us perfectly along the whole transaction process." - M&A

"They are very knowledgeable and confident in articulating market terms and norms and they have considerable expertise in Swiss law matters. They are incredibly responsive." - M&A

"Excellent ability to understand where a German lawyer comes from regarding legal background/legal system and adapt to Swiss environment; great expertise in breaking down legal aspects to economic decisions to be made." - Restructuring

"Availability, pragmatic and to-the-point advice." - Iliana Djagova

"Outstanding negotiation skills and capability to steer the team through a difficult issue and case; excellent lawyer." - Urs Gnos

"Urs Hofer is extremely professional and brings a reassuring presence to complex matters. He provides clear direction and inspires confidence." - Urs Hofer

"An excellent direct point of contact at the C-level, who efficiently coordinates the appropriate contacts within the firm." - Urs Gnos

"Very experienced, creative and emphatic. Strong combination to find solutions and convince sellers in a buy-side process!" - Robert von Rosen

"Outstanding lawyer. First rate client care. Real gravitas in front of boards and very well connected." - Alexander Gutmans


Key clients

UBS / Credit Suisse, Banque J. Safra Sarasin SA, Zürcher Kantonalbank, Citibank, Inflexion, PostFinance, KomGo SA, Cequr AG
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Deal Highlights
52 results52 results
Deal Name Deal Date Firm Name Jurisdiction Deal Type Lawyer Names Client Names Client Role
Montana Aerospace AG; Montana Tech Components - IPO
2021-11-19
Walder Wyss
Switzerland
IPO
Daniel Dedeyan, Urs Gnos, Maurus Winzap
Montana Aerospace AG, Montana Tech Components
Issuer
Acronis - M&A
2021-07-05
Walder Wyss
Switzerland
M&A
Luc Defferrard
Acronis
Target
Imburse Ltd - M&A
2021-01-06
Walder Wyss
Switzerland
M&A
Ramona Wyss
Imburse Ltd
Target
UBS AG; Credit Suisse Ltd - Secondary share offering
2021-03-23
Walder Wyss
Switzerland
Secondary share offering
Theodor Härtsch, Alex Nikitine
UBS AG, Credit Suisse Ltd
Underwriter
Komax Holding AG - Secondary share offering
2022-02-24
Walder Wyss
Switzerland
Secondary share offering
Theodor Härtsch, Stefan Knobloch
Komax Holding AG
Issuer
Esprit Europe GmbH; Esprit Switzerland Retail Ltd; Esprit Switzerland Distribution Ltd - Restructuring
2021-01-07
Walder Wyss
Switzerland
Restructuring
Theodor Härtsch
Esprit Europe GmbH, Esprit Switzerland Retail Ltd, Esprit Switzerland Distribution Ltd
Insolvent entity
PostFinance AG - Joint venture
2021-02-05
Walder Wyss
Switzerland
Joint venture
Thomas S. Müller
PostFinance AG
Joint venture partner
UBS AG; Credit Suisse Ltd; ING Bank - Financing
2021-01-04
Walder Wyss
Switzerland
Financing
Theodor Härtsch
UBS AG, Credit Suisse Ltd, ING Bank
Lender
Inflexion Private Equity Partners LLP - M&A
2023-02-15
Walder Wyss
Switzerland
M&A
Roger Ammann, Urs Gnos
Inflexion Private Equity Partners LLP
Buyer
DCM Film Distribution - Restructuring
2021-01-01
Walder Wyss
Switzerland
Restructuring
Dominik Hohler
DCM Film Distribution
Investor
Sulzer Ltd - Financing
2021-01-12
Walder Wyss
Switzerland
Financing
Theodor Härtsch
Sulzer Ltd
Borrower
Credit Suisse Group - M&A
2023-03-19
Walder Wyss
Switzerland
M&A
Alex Nikitine, Christian Schmid, David Borer, Dominik Hohler, Irene Suter Sieber, Thiemo Sturny, Thomas Meister, Urs Schenker
Credit Suisse Group
Target
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All the winning deals, teams, individuals and firms were revealed at IFLR’s ceremony in London on April 4
IFLR1000
Swiss firm adds 12 new lawyers in Geneva and Lausanne
IFLR1000
Experienced lawyer joins team from Baker & McKenzie
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