Get detailed statistics about any audit firm in Switzerland. Just type the auditor name in the field below and off you go!
The ten biggest Swiss audit firms (in terms of statutory audit clients)
| # | Audit Firm | Number of Audit Engagements | Average engagement duration | Number of auditors with permission |
|---|---|---|---|---|
| 1 | BDO AG | 6'233 | 9.86 | 295 |
| 2 | PricewaterhouseCoopers AG | 5'376 | 11.63 | 303 |
| 3 | Ernst & Young AG | 3'308 | 10.68 | 296 |
| 4 | KPMG AG | 2'916 | 9.51 | 331 |
| 5 | OBT AG | 1'257 | 10.82 | 42 |
| 6 | Deloitte AG | 1'103 | 7.76 | 114 |
| 7 | Fiduciaire FIDAG SA | 830 | 11.69 | 23 |
| 8 | Berney Associés Audit SA | 805 | 9.30 | 21 |
| 9 | Balmer-Etienne AG | 765 | 10.04 | 27 |
| 10 | MAZARS SA | 676 | 4.53 | 66 |
Evolution of licensed audit firms
auditorstats.ch - data source: FAOA register (own analysis).
Recently accredited audit firms
| Date | Audit Firm | License | FAOA ID | |
|---|---|---|---|---|
| 09.02.2024 | Horizon Fiduciaire et Audit SA | Sion (VS) | Revisionsexperte/in | 505496 |
| 26.01.2024 | AROS Treuhand AG | Schaffhausen (SH) | Revisionsexperte/in | 505493 |
| 17.01.2024 | conrevis Treuhand GmbH | Jegenstorf (BE) | Revisionsexperte/in | 505494 |
| 17.01.2024 | Marthaler Treuhand AG | Chur (GR) | Revisionsexperte/in | 505492 |
| 07.12.2023 | MOORE STEPHENS EXPERT (ZURICH) AG | Zürich (ZH) | Revisionsexperte/in | 505046 |
| 04.12.2023 | conversa.gr treuhand ag | Tujetsch (GR) | Revisor/in | 504760 |
| 30.11.2023 | Revisa GmbH | Münchwilen (TG) | Revisor/in | 505490 |
| 20.11.2023 | HS Hubert Steffen Consulting | Binningen (BL) | Revisor/in | 505278 |
| 17.11.2023 | Catrina Consult Treuhand + Unternehmensberatung KMU | Chur (GR) | Revisionsexperte/in | 503731 |
| 16.11.2023 | Treuhandbüro Hälg AG | Gossau (SG) | Revisionsexperte/in | 503592 |
Auditor mergers and takeovers
| Date | Acquirer | Acquiree | ||
|---|---|---|---|---|
| 22.01.2024 | Aeberli Treuhand AG | Zürich (ZH) | Revex, Treuhand AG Zürich | Zürich (ZH) |
| 18.12.2023 | KPMG AG | Zürich (ZH) | Fides Revision AG | Zürich (ZH) |
| 11.12.2023 | Berater & Partner AG | Luzern (LU) | Handels- und Gewerbe - Treuhand AG | Oberkulm (AG) |
| 06.12.2023 | Avanta Audit AG | Baar (ZG) | AVANTA AUDIT ZURICH AG | Zürich (ZH) |
| 30.10.2023 | wichert-treuhand ag | Lachen (SZ) | Wichert Treuhand & Finanzcontrolling | Lachen (SZ) |
| 17.08.2023 | Ernst & Young AG | Basel (BS) | Bösch & Edthofer AG | Herisau (AR) |
| 14.07.2023 | accoswiss ag | Zürich (ZH) | Accoswiss AG | Zürich (ZH) |
| 27.06.2023 | KMU Revipartner AG | Jegenstorf (BE) | CONSVAL REVISIONEN GMBH | Thun (BE) |
| 23.06.2023 | Dürst Treuhand AG | Rüti (ZH) | ZIT Ziegler Immobilien & Treuhand GmbH | Rüti (ZH) |
| 23.06.2023 | Dürst Treuhand AG | Rüti (ZH) | GST Treuhand AG | Pfäffikon (ZH) |