Wenger & Vieli is an established law firm advising private individuals and multinational companies on various tax legal, compliance and advisory work. The team specialises in complex cross-border transactions for start-up companies and HNWIs. The firm has dedicated tax partners leading the team. Partner Patric Eggler is the assigned head of department with M&A distinction. Succession planning practitioner Dominik Bürgy and indirect partner Clara Bodemann are key contacts.  

The firm advised NLS Pharmaceutics AG on on its reverse triangular merger with Kadimastem and its financial restructuring. It also assisted CAOS in the implementation of a shareholder structure.  

Senior associate Amanda Heinz joined the firm from EY in May 2025. Outbound senior associate David Brusa departed to Alvarez & Marsal in May 2025 and partner Barbara Brauchli Rohrer retired in June 2026.  

Client feedback

‘’Very responsive, high quality.’’ 

‘’Combines deep technical knowledge with a practical approach to cross-border tax matters. They are particularly strong in navigating complex regulations, offering clear and actionable advice’’.