Audit Firms

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

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
Firm 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	3 (10.33 audit engagements per employee on average)

Auditor Statistics

Average engagement duration: 8.6 years (max.: 29.3 years)

Total number of statutory audit engagements: 31 (Ranked #173 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.

	Aargau	Luzern	Zug	∑
Limited corporation	1	22	1	24
Limited liability company		1		1
Foundation		4		4
Cooperative		1		1
Association		1		1
∑	1	29	1	31

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

Related audit firms

Network:

Total number of audit engagements across the network: 83

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
Hans Peter Holenstein Stiftung	CHE-475.198.767	Luzern	27.12.2023	First auditor	Willisau
SempacherseePraxis AG	CHE-255.450.595	Oberkirch	23.05.2023	First auditor	Willisau
Ox'n Gastro AG	CHE-431.473.023	Schenkon	26.04.2022	First auditor	Willisau
Bauspenglerei Kneubühler AG	CHE-105.891.850	Schötz	22.03.2022	Auditor switch	Willisau
Soziale Baugenossenschaft "Pro Hergiswil"	CHE-101.910.106	Hergiswil bei Willisau	18.02.2022	First auditor	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
Beat Loosli Holzbau AG	CHE-300.898.515	Willisau	26.11.2020	Opting-out	Willisau