Get detailed statistics about any audit firm in Switzerland. Just type the auditor name in the field below and off you go!

Fact Sheet RST Treuhand AG

Core Company Information
Company Name RST Treuhand AG
UID CHE-105.969.050
Alternative / previous Names RST Revisions-, Steuerberatungs- und Treuhand AG, RST Révisions, Consultations fiscales, Fiduciaire SA, RST Auditing, Tax counselling and Trust Company Ltd, RST Ufficio Fiduciario di Revisione e di Consultazione fiscale SA
Domicile Basel
Canton BS
Legal Form Limited corporation
Firm Inscription Date 03.06.1953
FAOA Information
FAOA ID 500681
RAB Permission licensed audit expert
FAOA License active (since 26.10.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) RST Revisions-, Steuerberatungs- und Treuhand AG (CHE-306.735.219) in Zürich (ZH)
Membership in Associations EXPERTsuisse
Number of auditors with permission 3  (36.33 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 13.4 years (max.: 30.9 years)

Total number of statutory audit engagements: 109 (Ranked #94 in Switzerland)

Change in number of audit engagements: +2 (since 31.12.2023), +3 (over the last 12 months)

Details regarding the distribution of the audit engagements across legal forms and cantons are depicted in the table below.

Limited corporation 3 25 25   2 3 1 3 15 77
Limited liability company 3 1 1             5
Foundation 3 2 16 1         1 23
Cooperative 2   1             3
Association           1       1
11 28 43 1 2 4 1 3 16 109

This audit firm is recorded as statutory auditor for 72 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 109 statutory audits are performed by the branch offices as indicated in the table below.

Basel 11 28 43 1 2 4 1 3 16 109
11 28 43 1 2 4 1 3 16 109

Show client list for Basel.

Related audit firms

Direct personal relationship:

Further connections:

Latest audit engagements
These are this auditor's latest audit engagements.
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
MPI Technologies AG CHE-107.405.108 Baden 11.04.2024 Auditor switch Basel
MPL AG Elektronik-Unternehmen CHE-103.482.848 Baden 11.04.2024 Auditor switch Basel
ASL Electronic Handels AG CHE-235.193.662 Basel 19.02.2024 First auditor Basel
CG Automobile Zwingen AG CHE-318.122.147 Zwingen 06.12.2023 First auditor Basel
Achtzehnte PCE River Cruiser AG CHE-205.903.896 Basel 15.11.2023 First auditor Basel
Discontinued audit engagements
The following audit engagements were lost recently, either to a competitor, due to auditor resignation or due to an opting out.
Client Name Client UID Domicile End Date Reason Auditor Branch
KS Taxi AG CHE-109.892.392 Basel 12.02.2024 Opting-out Basel
Nanosurf AG CHE-108.631.044 Liestal 28.12.2023 Auditor switch Basel
Piermattei-Geiger Stiftung CHE-148.952.750 Basel 21.08.2023 Auditor switch Basel
Wöhrle Malergeschäft & Beschriftungen AG in Liquidation CHE-105.472.200 Pratteln 10.05.2023 Discontinued Basel
Cäcilienstiftung der Basler Liedertafel CHE-110.622.988 Basel 13.03.2023 Auditor switch Basel