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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
HOTEL ECO VOLTAIRE SA Genève 12.12.2025 Fidelys Solutions SA, Lausanne FIDUCIAL S.A., Genève
Maduc SA Conthey 12.12.2025 Fiduciaire des Alpes Vétroz SA, Vétroz Alpes Audit SA, Martigny
Bioengineering AG Wald (ZH) 12.12.2025 Baker Tilly OBT AG, Zürich Trewitax Zürich AG, Zürich
Stiftung LZ Weihnachtsaktion Luzern 12.12.2025 Truvag Revisions AG, Kriens Balmer-Etienne AG, Zürich
LA TROISIEME MAIN SA Genève 12.12.2025 Re-Vision Treuhand GmbH, Bassersdorf Business Pro Sàrl, Blonay - Saint-Légier
Fondation Laurine Matthey Neuchâtel 12.12.2025 Fibatech SA, Conseil d'entreprise et Fiduciaire, Milvignes Ofisa Berney Associés SA, Lausanne
Plüss AG Mechanics & Composites Pfaffnau 12.12.2025 Dr. Balsiger & Partner AG, Zofingen Küng Treuhand AG, Luzern
Landgasthof Bären AG Madiswil 12.12.2025 Grevag AG, Langenthal BDO AG, Langenthal
Cayago AG Freienbach 12.12.2025 BSP Revisions AG, Zürich KBT Revisions AG, Zürich
Stiftung sozialpädagogische Schule formidabel Malters 12.12.2025 CORDIS audit AG, Emmen Partner Treuhand AG Willisau, Willisau
Diligo Sàrl Genève 12.12.2025 blueAUDIT GmbH, Freienbach MCT Audit & Advisory SA, Genève
Viscom Engineering AG Affoltern am Albis 12.12.2025 BSP Revisions AG, Zürich KBT Revisions AG, Zürich
Fondation Pro Nova Vallis - Didier Frossard & Martin Klossner Savièse 12.12.2025 Fiduciaire des Alpes Vétroz SA, Vétroz Fiduciaire des Alpes SA, Vétroz
Meteor Corporate Finance Holding AG Freienbach 12.12.2025 STR Wirtschaftsprüfung AG, Freienbach Treuhand Accola, Bern
Patronale Fürsorgestiftung der Firma Fritz Häusermann Automobile AG, Zürich Zürich 12.12.2025 TBO Revisions AG, Zürich ZENTEX Treuhand AG, Wettingen
BZH SA Genève 12.12.2025 Fidelys Solutions SA, Lausanne FIDUCIAL S.A., Genève
Holzbau Niederberger AG Oberdorf (NW) 12.12.2025 Wagner Treuhand AG, Stans Balmer-Etienne AG, Stans
stefani architectes sa Genève 12.12.2025 Swiss Audit & Fiduciary Services SA, Genève Fiduciaire Nouvelle SA, Genève
KOLPING-Stiftung Luzern 12.12.2025 Cura Treuhand AG, Luzern BDO AG, Olten
Tanner Gartenbau AG Zürich 12.12.2025 SRG Schweizerische Revisionsgesellschaft AG, Zürich Dr. Steiner & Partner AG, Zürich

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%.