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Fact Sheet TRESO Treuhand AG

Core Company Information
Company Name TRESO Treuhand AG
UID CHE-106.728.075
Alternative / previous Names Büttiker Treuhand AG
Domicile Olten
Canton SO
Legal Form Limited corporation
Firm Inscription Date 20.12.1990
FAOA Information
FAOA ID 500263
RAB Permission licensed audit expert
FAOA License active (since 23.01.2008)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations TREUHAND|SUISSE
Number of auditors with permission 4  (15.00 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 13.2 years (max.: 29.3 years)

Total number of statutory audit engagements: 60 (Ranked #147 in Switzerland)

Change in number of audit engagements: - (since 31.12.2023), - (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 BE BL GE LU SO ZG ∑
Limited corporation 5 1 2 1 2 37 2 50
Limited liability company           2   2
Foundation 2         3   5
Cooperative 2   1         3
∑ 9 1 3 1 2 42 2 60

This audit firm is recorded as statutory auditor for 23 deleted entities. These are not included in the table above.

Display client list

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
REBU Holding AG CHE-216.323.935 Olten 13.12.2023 First auditor Olten
mwn GmbH CHE-218.283.689 Wolfwil 27.05.2022 First auditor Olten
Stiftung Tierheim Arolfingen CHE-429.908.052 Rothrist 21.12.2021 First auditor Olten
BWB Webadressen AG CHE-101.208.319 Olten 24.09.2021 Auditor switch Olten
Kunz precision AG CHE-112.691.173 Zofingen 20.09.2021 Auditor switch Olten
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
Eggenschwiler Perroud AG Architekten ETH/FH/SIA CHE-105.617.527 Laufen 25.01.2023 Opting-out Olten
CuriX AG in Liquidation CHE-332.915.129 Baar 27.12.2022 Auditor switch Olten
Oetiker + Partner AG CHE-109.479.684 Olten 14.12.2022 Opting-out Olten
IC information company AG CHE-426.459.690 Pratteln 13.12.2022 Opting-out Olten
SECURIX AG CHE-108.538.574 Olten 06.12.2022 Auditor switch Olten