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This website provides you with comprehensive statistics on audit firms in Switzerland. You can do the following:

Lastest Auditor Changes

Company Name Domicile Engagement Start New Auditor Previous Auditor
Puag AG Bremgarten (AG) 23.06.2025 OBT AG, Brugg MeiTreu und Partner AG, Eggenwil
Fondation GIFF Genève 23.06.2025 Berney Associés Audit SA, Genève Réviseurs Associés SA, Genève
SC+P Sieber, Cassina + Partner AG Zürich 23.06.2025 Rutschi + Partner AG, Egg Avanta Audit AG, Baar
Vorsorgestiftung der Imedco AG Hägendorf 23.06.2025 Solidis Revisions AG, Olten Gribi & Partner AG, Olten
Walter Spiess Stiftung Illnau-Effretikon 23.06.2025 Ryser Audit AG, Zürich Ryser Revision AG, Zürich
Stiftung Kindertanztheater Doris Sturzenegger Bülach 23.06.2025 Widar Treuhand AG, Brig-Glis Imboden und Partner Treuhand AG, Zürich
Partners Group AG Baar 23.06.2025 PricewaterhouseCoopers AG, Zürich KPMG AG, Zürich
Sterbe- und Hilfskassestiftung des BÄRNER BECK Bäcker-Confiseurverbandes Region Bern Urtenen-Schönbühl 23.06.2025 Ursus Treuhand & Revision AG, Köniz Thales Organisation AG, Belp
TAK Immobilien AG Muri bei Bern 23.06.2025 adiutis ag, Burgdorf Fibesa Treuhand AG, Bern
Band-Genossenschaft Bern 23.06.2025 von Graffenried AG Treuhand, Bern BDO AG, Bern
Thomas Sabo GmbH Zürich 23.06.2025 Avanta Audit AG, Baar AVANTA AUDIT ZURICH AG, Zürich
ACV Entreprises S.A. Neuchâtel 23.06.2025 FDA Fiduciaire S.A., Val-de-Ruz Fiduciaire Dominique Glauser, Laténa
Weishaupt AG Geroldswil 23.06.2025 BDO AG, Basel RST Treuhand AG, Basel
NetGuardians SA Yverdon-les-Bains 23.06.2025 reviXpert SA, Milvignes Ofico Fiduciaire SA, Lausanne
Architetti Cattaneo e associati SA Bellinzona 23.06.2025 Fidrevi Sagl, Biasca Massimiliano Tasinato, Fiduciario con attestato professionale federale, Bellinzona
NetGuardians Holding SA Yverdon-les-Bains 23.06.2025 reviXpert SA, Milvignes Ofico Fiduciaire SA, Lausanne
Konsumgenossenschaft Embd Embd 23.06.2025 ZSS Revision GmbH, Visp Zurbriggen Treuhand AG, Visp
VC Engineering AG Neftenbach 23.06.2025 Avanova Audit AG, Zürich Dubler Treuhand AG, Volketswil
IMEDCO AG Hägendorf 23.06.2025 Solidis Revisions AG, Olten Gribi & Partner AG, Olten
Keller Recycling AG Hinwil 23.06.2025 RVW Revisions AG, Aarau CF Revconsult AG, Alpnach

Evolution of the Swiss Audit Market

The chart depicts the evolution of active limited companies (AG, SA) and limited liability companies (GmbH, Sàrl) and shows how many of them have a statutory auditor. The decline is strongly related to the possibility of an opting-out for companies with up to ten employees which was introduced in 2008. At the same time, the number of new company registrations has increased significantly over the last years, thus reducing the audit rate for limited companies and limited liability companies from around 64% in 2005 to currently less than 20%.