Walder Wyss Ltd.‘s regulatory, compliance and investigations offering spans financial crime, governance reviews and internal investigations. The practice is jointly led by Oliver Kunz, who is ’well-experienced’ in sensitive investigations and crisis-driven mandates and Pascale Köster, who now co-leads the group and is widely regarded for her expertise in corporate misconduct and regulatory enforcement proceedings. The team is further bolstered by Thomas Müller, who is highly knowledgeable in financial market regulation and banking supervisory issues and Monique Sturny, who contributes deep competition and compliance experience. Téo Genecand, who handles sanctions and AML issues, was promoted to partner in January 2025.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

‘The team is highly knowledgeable and has the required expertise not only in theory, but also in practice. They are always available at short notice and highly reliable.’ \n‘Pascale Köster is a wonderful lawyer and, beyond her expertise and practical advice, her presentation skills are great. It's really fun to listen to her experience in practice.’ \n‘Walder Wyss has an exceptional team for regulatory and investigation matters, which effectively handles licensing, regulatory disputes and internal investigations.’ \n‘Thomas Müller is an outstanding partner with vast experience in all areas of capital markets. Oliver Kunz and Pascale Köster are well-experienced partners in investigations and all white-collar crime matters.’ \n‘Monique Sturny takes the time to get to know you and your needs and adapts her work accordingly.’

Key clients

UBS/Credit Suisse
Nespresso/Nestlé
BNP Paribas
Migros
PostFinance
Pfizer AG
Citi
Commerzbank
Deutsche Bank
Bank Vontobel
Ralph Lauren
Thomson Reuters

Work highlights

Represented Credit Suisse in the Greensill matter, securing a Swiss Supreme Court ruling that reinforced attorney-client privilege in internal investigations.

Advised Credit Suisse as lead counsel on all Swiss law aspects of its merger with UBS, including extensive regulatory and governance matters.

Advised Nestlé in the so-called Nescobar matter, arising from the seizure of 500kg of cocaine, worth €50m euros at a Nespresso facility in 2022.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Oliver Kunz

Practice head

Oliver Kunz; Pascale Köster

Other key lawyers

Rodolphe Gautier; Thomas Müller; Téo Genecand; Markus Pfenninger; Liburn Mehmetaj; Adriano Antonietti; Andreas Wildi; Reto Jacobs; Monique Sturny; David Vasella; Olivier Nicod; Roxane Allot; Mathieu Zufferey; Valentine Schnyder