Tired of renewing your auditor permission?

Get detailed statistics about any audit firm in Switzerland. Just type the auditor name in the field below and off you go!

Fact Sheet Partner Treuhand AG Willisau

Core Company Information
Company Name Partner Treuhand AG Willisau
UID CHE-112.389.857
Alternative / previous Names Partner Treuhand Willisau GmbH (until 15.06.2023)
Domicile Willisau
Canton LU
Legal Form Limited corporation
Inscription Date 07.06.2005
FAOA Information
FAOA ID 501045
RAB Permission licensed auditor
FAOA License active (since 23.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations TREUHAND|SUISSE
Number of auditors with permission 2  (18.00 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 9.2 years (max.: 30.5 years)

Total number of statutory audit engagements: 36 (Ranked #174 in Switzerland)

Change in number of audit engagements: +3 (since 31.12.2024), +5 (over the last 12 months)

Details regarding the distribution of the audit engagements across legal forms and cantons are depicted in the table below.

  Aargau Luzern Zug ∑
Limited corporation 2 25 1 28
Limited liability company   1   1
Foundation   4   4
Cooperative   1   1
Association   2   2
∑ 2 33 1 36

This audit firm is recorded as statutory auditor for 5 deleted entities. These are not included in the table above.

Display client list

Related audit firms

Network:

Total number of audit engagements across the network: 89

Further connections:

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Secure EFTPOS Network Association CHE-139.322.314 Willisau 10.06.2025 First auditor Willisau
Beer Bau AG CHE-103.278.058 Hohenrain 26.05.2025 Auditor switch Willisau
Birrer Holz AG CHE-107.277.750 Hergiswil bei Willisau 03.02.2025 Auditor switch Willisau
Fashion-Promo Tex AG CHE-311.172.196 Aarburg 15.08.2024 First auditor Willisau
Tank-Material AG CHE-103.612.944 Emmen 15.08.2024 Auditor switch Willisau
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
Felicitas Promotions AG CHE-106.047.012 Zug 24.01.2024 Opting-out Willisau
Landwirtschaftliches Altersheim Hermolingen CHE-107.251.839 Rothenburg 20.03.2023 Auditor switch Willisau
Agentur Frontal AG CHE-111.792.245 Willisau 29.06.2022 Auditor switch Willisau
Delta Motor AG CHE-110.039.228 Eich 23.12.2021 Opting-out Willisau
MALSA AG CHE-300.898.515 Willisau 26.11.2020 Opting-out Willisau