IPO of BioVersys Ltd

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

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
Website https://www.testor.ch
Phone +41 61 205 45 45
Offered services

Audit services

  • limited statutory examination (art. 727a CO)
  • ordinary statutory audit (art. 727 CO)
  • audit of incorporation or capital increase reports (art. 635a and 652f CO)
  • audit of capital decreases (art. 653m CO)
  • reviews (according to ISRE 2400 or ISRE 2410)
  • audit of the equal pay analysis (art. 13d GEA)

Non-audit services

  • accounting and fiduciary services
  • consulting
  • tax consulting
  • legal advice
  • real estate (fiduciary, management)

Covered accounting standards

  • CO (Code of Obligations)
  • Swiss GAAP FER

Covered languages

  • German
  • French
  • English
  • Italian
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
TREUHAND|SUISSE
Number of auditors with permission 7  (28.29 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 15.1 years (max.: 31.6 years)

Total number of statutory audit engagements: 198 (Ranked #53 in Switzerland)

Change in number of audit engagements: -1 (since 31.12.2024), -1 (over the last 12 months)

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

  AG AR BE BL BS GE GR LU SG SO ZG ZH ∑
Limited corporation 6   3 40 68 1 1 1 1   1 2 124
Limited liability company       1 8               9
Foundation 4 1   17 26         1 1   50
Cooperative         10               10
Association         5               5
∑ 10 1 3 58 117 1 1 1 1 1 2 2 198

This audit firm is recorded as statutory auditor for 143 deleted entities. These are not included in the table above.

Display client list

Related audit firms

Direct personal relationship:

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Basler Stiftung für Ferienkolonien CHE-101.052.862 Basel 19.05.2025 Auditor switch Basel
Stiftung AMIS CHE-460.033.956 Basel 10.02.2025 First auditor Basel
Margarethe Meyer-Stiftung CHE-101.829.912 Basel 27.12.2024 Auditor switch Basel
Stiftung Tierpark Lange Erlen CHE-112.646.422 Basel 10.12.2024 Auditor switch Basel
Felix Bloch-Hauser-Stiftung CHE-112.273.427 Basel 26.11.2024 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
Inrag AG CHE-108.067.379 Muttenz 13.02.2025 Auditor switch Basel
Stiftung christliches Altersheim St. Johann CHE-107.785.868 Basel 20.01.2025 Auditor switch Basel
Rivercruise Line AG CHE-107.982.676 Basel 20.12.2024 Opting-out Basel
Basilisk Treuhand AG CHE-107.904.452 Basel 19.12.2024 Opting-out Basel
Royal River Line AG CHE-107.998.016 Basel 19.12.2024 Opting-out Basel