Bieri Treuhand GmbH

Bieri Treuhand GmbH has two locations in the Bernese Oberland, at Dammweg 7 in Interlaken and Turenmattenstrasse 6 in Meiringen. The office keeps books of every kind, prepares interim and annual financial statements, handles VAT settlements and takes care of payroll administration. On the tax side, services range from filing returns for individuals and companies to optimization and reviewing tax assessments.

There's also business consulting for company formation, restructuring, succession and valuation, plus audit work with limited statutory audits and reviews of foundation reports. The business traces back to a founding in 1992, converted into a GmbH in 1994, and since 2022 has been run by Sue Zwahlen and Fabienne Tännler-Bieri. The firm is a member of TREUHAND SUISSE and works with ABACUS and AbaWeb, alongside support for Bexio, Banana and Klara.