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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
Partners Group Property AG Baar 16.06.2025 PricewaterhouseCoopers AG, Zürich KPMG AG, Zürich
Wiedmer Holding AG Rupperswil Rupperswil 16.06.2025 UTA Treuhand AG Lenzburg, Lenzburg Wirz Treuhand AG, Schöftland, Schöftland
Partners Group Operator Investments Holdings AG Baar 16.06.2025 PricewaterhouseCoopers AG, Zürich KPMG AG, Zürich
Pharmacies BENU SA Köniz 16.06.2025 FORVIS MAZARS SA, Bern Ernst & Young AG, Basel
F. Berner-Iberg AG Bauunternehmung Rupperswil 16.06.2025 UTA Treuhand AG Lenzburg, Lenzburg Wirz Treuhand AG, Schöftland, Schöftland
FELA Ticino SA Cadenazzo 16.06.2025 Fiduciaria Tanner SA, Lugano Interfida SA, Chiasso
Portfolio Immobilien AG Obersiggenthal 16.06.2025 ConSinius Treuhand AG, Dietikon BM Swiss Audit AG, Basel
Partners Group Investment Services AG Baar 16.06.2025 PricewaterhouseCoopers AG, Zürich KPMG AG, Zürich
Tierwohlstiftung Bernina Scuol 16.06.2025 BDO AG, Steinhausen Accontaris Treuhand AG, Zug
Cornu et Cie S.A. La Chaux-de-Fonds 16.06.2025 PricewaterhouseCoopers SA, Neuchâtel Ernst & Young AG, Bern
Succerra AG Rapperswil (BE) 16.06.2025 von Graffenried AG Treuhand, Bern PricewaterhouseCoopers AG, Zürich
Queloz SA Saignelégier 16.06.2025 PricewaterhouseCoopers SA, Neuchâtel Ernst & Young AG, Zürich
Stiftung Blaukreuzhaus Zürich 1 Zürich 16.06.2025 ggm Wirtschaftsprüfungs AG, Küsnacht (ZH) Verita Immobilien und Treuhand AG, Glarus Nord
Confiserie Brändli AG Basel 16.06.2025 Brunner et Associés SA, société fiduciaire, Neuchâtel Balance Audit AG, Basel
Lauener et Cie S.A. Boudry 16.06.2025 PricewaterhouseCoopers SA, Neuchâtel Ernst & Young AG, Bern
Landolt Transport AG Freienbach 16.06.2025 BDO AG, Zürich Wirtschafts-Treuhand AUCTOR SCHWYZ AG, Schwyz
FiveT Group AG Freienbach 16.06.2025 Gähwiler, Ruckstuhl Treuhand AG, Zürich PricewaterhouseCoopers AG, Zürich
sim fenster ag Brugg 16.06.2025 Zehnder Revisions AG, Lenzburg Pemag Revisions AG, Lenzburg
Quadra GmbH Lebensräume für Mensch und Natur Zürich 16.06.2025 Koster Consulting AG, Hombrechtikon Budliger Treuhand AG, Zürich
Partners Group Finance (USD) AG Baar 16.06.2025 PricewaterhouseCoopers AG, Zürich KPMG 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%.