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Fact Sheet Zahlenwerkstatt U. Willimann

Core Company Information
Company Name Zahlenwerkstatt U. Willimann
UID CHE-112.516.819
Alternative / previous Names -
Domicile Uster
Canton ZH
Legal Form Sole proprietorship
Firm Inscription Date 13.09.2005
FAOA Information
FAOA ID 503157
RAB Permission licensed auditor
FAOA License active (since 14.02.2008)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations veb.ch
Number of auditors with permission 1  (15.00 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 6.9 years (max.: 15.2 years)

Total number of statutory audit engagements: 15 (Ranked #192 in Switzerland)

Change in number of audit engagements: -1 (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.

  Zürich ∑
Limited corporation 4 4
Limited liability company 1 1
Foundation 5 5
Cooperative 5 5
∑ 15 15

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
Eisenbahn Sammlung Uster CHE-114.446.727 Uster 21.11.2023 Auditor switch Uster
Campesino GmbH CHE-195.674.479 Zürich 02.11.2021 First auditor Uster
Rüegg AG Spengler Sanitär Heizung Solar CHE-114.616.001 Hinwil 13.07.2020 Auditor switch Uster
Walter Bachofner-Stiftung CHE-109.331.455 Fehraltorf 27.04.2020 Auditor switch Uster
Wohnbaugenossenschaft des eidg. Personals, Rüti CHE-104.018.583 Rüti (ZH) 22.11.2019 Auditor switch Uster
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
Turicaphon AG CHE-102.610.670 Uster 14.09.2021 Opting-out Uster
Personalfürsorgestiftung der Meteolabor AG CHE-109.727.534 Wetzikon (ZH) 02.04.2020 Auditor switch Uster
CLAUSEN Consulting & Invest AG CHE-101.269.700 Zürich 31.07.2018 Opting-out Uster
Studer Handels AG CHE-107.937.233 Höri 22.05.2017 Opting-out Uster
Elektro Künzi AG in Liquidation CHE-105.854.079 Dübendorf 29.10.2015 Opting-out Uster