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Fact Sheet Wehrli Treuhand

Core Company Information
Company Name Wehrli Treuhand
UID CHE-108.501.105
Alternative / previous Names -
Domicile Winterthur
Canton ZH
Legal Form Sole proprietorship
Inscription Date 13.12.1996
Firm Deletion Date 12.04.2024
Acquired by: Wehrli Treuhand AG (CHE-480.307.051)
FAOA Information
FAOA ID 504910
RAB Permission licensed auditor
FAOA License cancelled (active from 23.01.2008 until 12.04.2024)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations TREUHAND|SUISSE
veb.ch
Number of auditors with permission -
Auditor Statistics

Average engagement duration: 12.4 years (max.: 17.9 years)

Total number of statutory audit engagements: 9 (Ranked #204 in Switzerland)

Change in number of audit engagements: -8 (since 31.12.2024), -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.

  Zürich ∑
Limited corporation 5 5
Limited liability company 2 2
Foundation 1 1
Cooperative 1 1
∑ 9 9

This audit firm is recorded as statutory auditor for 12 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
NILOS Schweiz AG CHE-445.934.987 Otelfingen 08.12.2023 First auditor Winterthur
Swiss Tuning AG CHE-116.375.593 Münchwilen (TG) 07.07.2022 First auditor Winterthur
Reparatur-Service W. Schippert AG CHE-100.055.421 Nürensdorf 09.08.2021 Auditor switch Winterthur
Forster & Linsi AG CHE-429.690.344 Pfäffikon 03.05.2021 Auditor switch Winterthur
2BIT AG CHE-373.668.997 Dübendorf 02.09.2020 First auditor Winterthur
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
Genossenschaft Konkordia Winterthur CHE-104.078.823 Winterthur 04.11.2025 Auditor switch Winterthur
Magma AG für Geologie, Umwelt und Planung CHE-106.838.284 Zürich 15.08.2025 Auditor switch Winterthur
Stiftung für Stipendien an Zürcher Rudolf Steiner Schulen CHE-110.559.522 Adliswil 29.07.2025 Auditor switch Winterthur
Filme für die Erde Stiftung CHE-405.359.367 Winterthur 13.06.2025 Auditor switch Winterthur
Unimec Fabrikations AG CHE-108.589.040 Wetzikon (ZH) 02.04.2025 Auditor switch Winterthur