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Fact Sheet Treyer Treuhand AG

Core Company Information
Company Name Treyer Treuhand AG
UID CHE-100.713.827
Alternative / previous Names -
Domicile Basel
Canton BS
Legal Form Limited corporation
Firm Inscription Date 21.01.1977
FAOA Information
FAOA ID 501175
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 EXPERTsuisse
Number of auditors with permission 1  (6.00 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 21.8 years (max.: 30.5 years)

Total number of statutory audit engagements: 6 (Ranked #204 in Switzerland)

Change in number of audit engagements: - (since 31.12.2023), -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.

  Basel Landschaft Basel Stadt ∑
Limited corporation 4   4
Limited liability company   1 1
Cooperative 1   1
∑ 5 1 6

This audit firm is recorded as statutory auditor for 7 deleted entities. These are not included in the table above.

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Related audit firms

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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
FRISTA RETAIL AG CHE-396.873.723 Basel 15.11.2016 First auditor Basel
ABC Invest & Medical GmbH in Liq. CHE-335.003.035 Basel 05.07.2016 First auditor Basel
Wohngenossenschaft "Meiriacker" Binningen CHE-101.754.415 Binningen 16.09.2015 First auditor Basel
NOUSCOM AG CHE-243.080.729 Basel 03.02.2015 First auditor Basel
NoWeSiKo AG in Liquidation CHE-466.944.431 Binningen 04.09.2013 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
René H. Walder Stiftung CHE-480.166.862 Basel 05.10.2023 Auditor switch Basel
Keires AG CHE-340.540.385 Basel 10.06.2021 Opting-out Basel
NOUSCOM AG CHE-243.080.729 Basel 16.04.2021 Auditor switch Basel
GebTek AG CHE-114.577.134 Binningen 01.09.2020 Opting-out Basel
FRISTA RETAIL AG CHE-396.873.723 Basel 01.10.2018 Auditor switch Basel