ADB Altorfer Duss und Beilstein AG

ADB was founded in 1969 and today, with two offices in Zurich and Aarau, is one of the larger independent fiduciary firms in German-speaking Switzerland. In Zurich, the team serves SMEs from industry, trade, and services with bookkeeping, tax advice, payroll administration, and auditing. For private individuals, it offers tax returns and wealth planning.

The firm is recognized as an EXPERTsuisse Certified Company and carries out ordinary and limited statutory audits as an audit firm licensed by the Federal Audit Oversight Authority. Advice for non-profits and governance support for foundations and associations are further specialties.