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Fact Sheet Testor Treuhand AG

Core Company Information
Company Name Testor Treuhand AG
UID CHE-102.155.312
Alternative / previous Names Testor Fiduciaire SA
Testor Immobilien und Treuhand AG
Testor Treuhand, Testor Fiduciaire
Domicile Basel
Canton BS
Legal Form Limited corporation
Inscription Date 28.09.1993
FAOA Information
FAOA ID 501545
RAB Permission licensed audit expert
FAOA License active (since 10.12.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations EXPERTsuisse
Number of auditors with permission 7  (28.43 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 14.3 years (max.: 30.5 years)

Total number of statutory audit engagements: 199 (Ranked #49 in Switzerland)

Change in number of audit engagements: +2 (since 31.12.2023), +10 (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 6   3 39 73 1 1 1 1   1 2 128
Limited liability company       1 8               9
Foundation 4 1   17 23         1 1   47
Cooperative         10               10
Association         5               5
10 1 3 57 119 1 1 1 1 1 2 2 199

This audit firm is recorded as statutory auditor for 142 deleted entities. These are not included in the table above.

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Latest audit engagements
These are this auditor's latest audit engagements.
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Erlen-Verein Basel CHE-103.627.242 Basel 10.06.2024 Auditor switch Basel
MONA UND MATEO GmbH CHE-268.751.215 Basel 06.02.2024 First auditor Basel
Trumag International AG CHE-352.025.428 Basel 06.12.2023 First auditor Basel
Birsterminal AG CHE-107.783.160 Birsfelden 30.11.2023 Auditor switch Basel
Wohngenossenschaft Im langen Loh CHE-106.298.560 Basel 02.11.2023 Auditor switch 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
Bider & Tanner AG CHE-107.737.734 Basel 05.05.2023 Auditor switch Basel
Pantheon Basel AG CHE-108.550.003 Basel 04.01.2023 Opting-out Basel
MBG Verwaltungs AG CHE-304.683.563 Basel 30.12.2022 Auditor switch Basel
Mieter-Baugenossenschaft Basel CHE-103.978.718 Basel 30.12.2022 Auditor switch Basel
CommChat SA, en liquidation CHE-421.992.787 Lancy 29.12.2022 Discontinued Basel