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Fact Sheet Wiro Treuhand- und Revisionsgesellschaft AG

Core Company Information
Company Name Wiro Treuhand- und Revisionsgesellschaft AG
UID CHE-101.919.047
Alternative / previous Names Treuhand A. Willimann AG Luzern
Domicile Luzern
Canton LU
Legal Form Limited corporation
Inscription Date 22.11.1978
FAOA Information
FAOA ID 500658
RAB Permission licensed audit expert
FAOA License active (since 01.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations -
Number of auditors with permission 4  (6.50 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 11.2 years (max.: 27.9 years)

Total number of statutory audit engagements: 26 (Ranked #183 in Switzerland)

Change in number of audit engagements: +3 (since 31.12.2024), +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.

  BL BS LU OW SO ZH ∑
Limited corporation   2 12   1   15
Limited liability company 1   1       2
Foundation     2 1 1 3 7
Cooperative 1   1       2
∑ 2 2 16 1 2 3 26

This audit firm is recorded as statutory auditor for 7 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
Bonitas Stiftung CHE-115.543.267 Sarnen 13.03.2025 Auditor switch Luzern
IMK Institut für Medizin und Kommunikation AG CHE-108.464.065 Basel 12.03.2025 Auditor switch Luzern
swissjob service AG CHE-346.201.208 Luzern 23.01.2025 Auditor switch Luzern
Städtlipraxis Sempach AG CHE-230.188.116 Sempach 03.05.2024 First auditor Luzern
Beneficentia AG CHE-107.905.428 Metzerlen-Mariastein 10.01.2024 Auditor switch Luzern
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
Sivag Luzern AG CHE-114.394.450 Luzern 22.07.2024 Auditor switch Luzern
Garage Limacher AG CHE-326.601.674 Horw 09.01.2024 Opting-out Luzern
Zahnarzt Team Luzern - Praxis Dr. Schulte AG CHE-429.644.723 Luzern 15.02.2022 Auditor switch Luzern
Hotel 3 Könige & Post AG CHE-112.271.233 Andermatt 31.01.2022 Auditor switch Luzern
M. & S. Limacher AG CHE-108.157.640 Horw 19.02.2021 Opting-out Luzern