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	Zumstein Treuhand- & Revisions AG
UID	CHE-107.846.754
Alternative / previous Names	-
Domicile	Zürich
Canton	ZH
Legal Form	Limited corporation
Firm Inscription Date	22.03.1973

FAOA Information

FAOA ID	501668
RAB Permission	licensed auditor
FAOA License	active (since 10.12.2007)
Link to FAOA website	View auditor profile at FAOA
Branch offices (0)	-
Membership in Associations	TREUHAND\|SUISSE
Number of auditors with permission	2 (21.00 audit engagements per employee on average)

Auditor Statistics

Average engagement duration: 19.6 years (max.: 30.7 years)

Total number of statutory audit engagements: 42 (Ranked #165 in Switzerland)

Change in number of audit engagements: -1 (since 31.12.2023), -1 (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	Appenzell Innerrhoden	Glarus	Zug	Zürich	∑
Limited corporation	4	2		3	27	36
Foundation			1		5	6
∑	4	2	1	3	32	42

This audit firm is recorded as statutory auditor for 17 deleted entities. These are not included in the table above.

Related audit firms

Same domicile:

Latest audit engagements

These are this auditor's latest audit engagements.

Client Name	Client UID	Domicile	Start Date	Type of switch	Auditor Branch
ROHFIN AG	CHE-102.163.145	Walchwil	17.12.2021	Auditor switch	Zürich
Gasthof Adler Oberhof AG	CHE-113.197.680	Oberhof	29.06.2021	Auditor switch	Zürich
Hanne Liebermann-Stiftung	CHE-109.972.281	Zürich	27.01.2021	Auditor switch	Zürich
VSM-Stiftung	CHE-110.221.299	Glarus	22.12.2020	Auditor switch	Zürich
Schlossgarage Brunegg AG	CHE-136.759.436	Brunegg	16.04.2019	First auditor	Zürich

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
Viladose AG	CHE-101.514.696	Zürich	04.01.2024	Opting-out	Zürich
SUBLIMA AG	CHE-110.281.404	Zug	15.03.2022	Auditor switch	Zürich
Onix GmbH Zürich	CHE-102.447.128	Zürich	26.10.2021	Opting-out	Zürich
onfeatures GmbH	CHE-114.164.743	Zürich	25.10.2021	Auditor switch	Zürich
ALBACON AG in Liquidation	CHE-196.582.696	Zug	12.01.2021	Discontinued	Zürich