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	Auditrium Cham AG
UID	CHE-106.920.307
Alternative / previous Names	Bösch & Partner Treuhand AG (until 10.11.1999) Bösch & Partners Treuhand AG (until 11.09.1997) Steiner Treuhand AG Cham (until 29.03.2023)
Domicile	Cham
Canton	ZG
Legal Form	Limited corporation
Firm Inscription Date	04.02.1971

FAOA Information

FAOA ID	503110
RAB Permission	licensed audit expert
FAOA License	active (since 31.01.2008)
Link to FAOA website	View auditor profile at FAOA
Branch offices (0)	-
Membership in Associations	TREUHAND\|SUISSE
Number of auditors with permission	3 (3.33 audit engagements per employee on average)

Auditor Statistics

Average engagement duration: 12.7 years (max.: 29.2 years)

Total number of statutory audit engagements: 10 (Ranked #199 in Switzerland)

Change in number of audit engagements: -3 (since 31.12.2023), -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.

	Luzern	Nidwalden	Zug	∑
Limited corporation	2	1	5	8
Foundation			2	2
∑	2	1	7	10

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

Related audit firms

Direct personal relationship:

Auditrium AG (CHE-106.354.075), 20 audit engagements
Wirth Treuhand AG (CHE-108.425.585), 20 audit engagements
Auditrium Zürich GmbH (CHE-167.706.631), 34 audit engagements
Auditrium Gestoria AG (CHE-103.862.731), 0 audit engagements
Fasching Treuhand (CHE-110.219.322), 6 audit engagements

Same domicile:

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
Paul Bircher AG	CHE-100.052.090	Stansstad	19.06.2019	Auditor switch	Cham
JOOZZ AG	CHE-359.028.936	Cham	08.02.2019	First auditor	Cham
Stiftung Frauenkloster Eschenbach	CHE-328.788.595	Eschenbach (LU)	19.12.2018	First auditor	Cham
B-PATRIMONIUM AG	CHE-468.039.514	Zug	25.10.2018	First auditor	Cham
Arnold-Amrein AG	CHE-462.980.445	Hochdorf	04.05.2018	Auditor switch	Cham

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
Haus Hegifeld AG	CHE-113.513.367	Winterthur	12.03.2024	Auditor switch	Cham
Stiftung Frauenkloster Eschenbach	CHE-328.788.595	Eschenbach (LU)	24.01.2024	Auditor switch	Cham
Rowesa AG	CHE-107.808.995	Zürich	02.08.2023	Auditor switch	Cham
Magratex AG	CHE-102.676.462	Baar	24.05.2023	Opting-out	Cham
Alfred Meier Mechanik AG	CHE-100.561.569	Arth	27.04.2023	Opting-out	Cham