8. Dezember 2025

Helvetia Holding AG and Baloise Holding AG have completed their statutory merger as of 5 December 2025 into Helvetia Baloise Holding AG, which now operates as a consolidated insurance group. The combined entity is the largest multi-line insurer in Switzerland and one of the largest Continental European insurers. With completion of the merger, the Baloise shares were exchanged against new Helvetia shares at an exchange ratio of 1:1.0119. The new Helvetia shares have been listed and admitted to trading on SIX Swiss Exchange as of 8 December 2025. Inclusion in the Swiss Leader Index (SLI) is contemplated for 22 December 2025.

Walder Wyss advised Helvetia on the merger. The Walder Wyss team was led by Hans-Jakob Diem (Partner) and included the core team members Thiemo Sturny (Partner), Christian A. Schmid (Senior Associate), Nicolas von Sinner (Associate) and Jenny von Arx (Associate) from Corporate/M&A as well as the team members Reto Jacobs (Partner), Gion Giger (Counsel) and Felix Tuchschmid (Senior Associate) from Competition, Markus Pfenninger (Partner) and Ramona Wyss (Partner) from Regulatory, Thomas Meister (Partner) and Janine Corti (Counsel) from Tax, Roger Staub (Partner), Manuel Bigler (Managing Associate) and Fabian Altmann (Associate) from IP/IT, Urs Bracher and Carolyn Stevovic-Hurni from Legal Tech, Irène Suter-Sieber (Partner), Joy Malka (Counsel) and Gustaf Heintz (Senior Associate) from Employment, Katja Schott-Morgenroth (Partner), Stefan Walder (Counsel), Dimitrios Berger and Michael Kündig (Managing Associates) as well as Lia Müller, Melanie Stofer, Yannik Pfister and Eda Oezseven (Trainee Lawyers) from Corporate/M&A.

Clifford Chance advised Helvetia on non-Swiss law aspects of the merger.