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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
Raiffeisenbank Werdenberg Genossenschaft Buchs (SG) 16.06.2021 Ernst & Young AG, Basel PricewaterhouseCoopers AG, St. Gallen
CuriX AG Baar 16.06.2021 TRESO Treuhand AG, Olten Copartner Revision AG, Basel
Credit Europe Bank (Suisse) SA Genève 16.06.2021 KPMG SA, Lancy Ernst & Young SA, Lancy
Schmidhof AG Horw Horw 16.06.2021 Convicta Treuhand AG, Hochdorf Bucher Treuhand AG, Kriens
AMUNDI SUISSE SA Genève 16.06.2021 MAZARS SA, Vernier Ernst & Young SA, Lancy
Banque Raiffeisen Ajoie société coopérative Porrentruy 16.06.2021 Ernst & Young AG, Basel PricewaterhouseCoopers SA, Genève
Küng + Steiner AG Köniz 16.06.2021 Pro Consulting Treuhand GmbH, Wohlen bei Bern Blaser Treuhand AG, Bern
AWV Abwasserwärmeverbund Sissach AG Sissach 16.06.2021 BDO AG, Liestal Hersberger Revisionsgesellschaft AG, Seltisberg
Spinnerei Langnau AG Langnau am Albis 16.06.2021 SEFID Revision AG, Cham ABACOR Revisions AG, Cham
Faulhaber Minimotor SA Tresa 16.06.2021 a&o kreston audit ag, Zürich PricewaterhouseCoopers SA, Lugano
Garage Montani SA Salgesch 16.06.2021 FIGAS Autogewerbe-Treuhand der Schweiz AG, Köniz PricewaterhouseCoopers SA, Sion
Banque Raiffeisen Morges Venoge société coopérative Morges 16.06.2021 Ernst & Young AG, Basel PricewaterhouseCoopers SA, Genève
Linsi Immobilien AG Zug 16.06.2021 Bättig Treuhand AG, Luzern Tria Revisions AG, Cham
Raiffeisenbank Laufental-Thierstein Genossenschaft Laufen 15.06.2021 Ernst & Young AG, Basel PricewaterhouseCoopers AG, Basel
Noveras AG Freienbach 15.06.2021 BDO AG, Zürich FIDUSERVICE S.A., Zürich
Raiffeisenbank Aare-Reuss Genossenschaft Mellingen 15.06.2021 Ernst & Young AG, Basel PricewaterhouseCoopers AG, Zürich
IET Management AG Zürich 15.06.2021 Auditrium Zürich GmbH, Zürich Fasching Treuhand, Zürich
IET AG Information Engineering & Technology Zürich 15.06.2021 Auditrium Zürich GmbH, Zürich Fasching Treuhand, Zürich
Cystische Fibrose Schweiz CFS Bern 15.06.2021 Balmer-Etienne AG, Luzern ENGEL COPERA AG, Köniz
ZEBRA AG Niederrohrdorf 15.06.2021 Maurer & Maurer Treuhand GmbH, Hitzkirch A & O Treuhand- und Wirtschaftsprüfung GmbH, Baden

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%.