EXPERTsuisse
EXPERTsuisse is the Swiss association of audit, tax and fiduciary experts. PROGRESSIA is registered with EXPERTsuisse under the membership number 275760.
TREUHAND|SUISSE
TREUHAND|SUISSE is a group of fiduciary experts serving SMEs and individuals.
Federal Audit Oversight Authority (RAB/ASR)
PROGRESSIA has been approved by the Federal Audit Oversight Authority as so called audit expert (registration number 500576) which means that we are allowed to perform both ordinary and limited audits under the Swiss law. We meet the legal requirements on licensing according to the Auditor Oversight Act of 16 December 2005.