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Fact Sheet Fidutax Wirtschaftsberatung AG

Core Company Information
Company Name Fidutax Wirtschaftsberatung AG
UID CHE-100.479.672
Alternative / previous Names Fistra Treuhand AG, Fistra Fiduciaire SA
Domicile Biel/Bienne
Canton BE
Legal Form Limited corporation
Inscription Date 12.12.1983
FAOA Information
FAOA ID 500624
RAB Permission licensed audit expert
FAOA License active (since 19.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations TREUHAND|SUISSE
Number of auditors with permission 2  (29.50 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 14.7 years (max.: 30.4 years)

Total number of statutory audit clients: 59 (Ranked #154 in Switzerland)

Change in number of audit engagements: -1 (since 31.12.2025), -2 (over the last 12 months)

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

  BE FR GE LU VD ZG ∑
Limited corporation 39 1 1 1 1 1 44
Limited liability company 2     1     3
Foundation 7           7
Cooperative 3           3
Association 2           2
∑ 53 1 1 2 1 1 59

This audit firm is recorded as statutory auditor for 16 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
SIM INTERNATIONAL (SCHWEIZ) CHE-233.890.135 Biel/Bienne 19.12.2025 Auditor switch Biel/Bienne
Haug Biel AG CHE-107.960.367 Biel/Bienne 19.08.2024 Auditor switch Biel/Bienne
Elektro Engel AG CHE-289.539.709 Twann-Tüscherz 09.01.2024 First auditor Biel/Bienne
Singh Brothers Catering and Restaurants GmbH CHE-157.575.801 Sursee 29.12.2023 First auditor Biel/Bienne
Brumbero-Stiftung CHE-154.423.477 Biel/Bienne 19.12.2023 First auditor Biel/Bienne
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
Stiftung Pflegebildung Seeland PBS CHE-106.124.374 Biel/Bienne 03.02.2026 Auditor switch Biel/Bienne
Belma Metallbau AG CHE-105.636.499 Ipsach 23.12.2024 Opting-out Biel/Bienne
BWB-Z AG in Liquidation CHE-202.660.579 Zug 03.12.2024 Opting-out Biel/Bienne
VECOM AG CHE-107.663.113 Hochdorf 11.07.2024 Opting-out Biel/Bienne
ROPA AG CHE-104.790.666 Twann-Tüscherz 09.01.2024 Opting-out Biel/Bienne