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	Abano Verwaltungen AG
UID	CHE-107.910.518
Alternative / previous Names	abona TREUHAND AG (until 05.04.2023) Blöchliger Verwaltungs-AG (until 17.07.1995)
Domicile	Unterägeri
Canton	ZG
Legal Form	Limited corporation
Firm Inscription Date	04.10.1973

FAOA Information

FAOA ID	502937
RAB Permission	licensed auditor
FAOA License	cancelled (active from 04.02.2008 until 25.04.2023)
Link to FAOA website	View auditor profile at FAOA
Branch offices (0)	-
Membership in Associations	TREUHAND\|SUISSE
Number of auditors with permission	-

Auditor Statistics

Average engagement duration: 19.4 years (max.: 20.8 years)

Total number of statutory audit engagements: 3 (Ranked #204 in Switzerland)

Change in number of audit engagements: -1 (since 31.12.2023), -18 (over the last 12 months)

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

	Zug	∑
Limited corporation	3	3
∑	3	3

This audit firm is recorded as statutory auditor for 37 deleted entities. These are not included in the table above.

Related audit firms

Direct personal relationship:

Latest audit engagements

These are this auditor's latest audit engagements.

Client Name	Client UID	Domicile	Start Date	Type of switch	Auditor Branch
brinkertlück Schweiz GmbH	CHE-197.703.459	Zürich	16.05.2022	First auditor	Unterägeri
Yvonne und Peter Imholz Stiftung	CHE-161.057.892	Zug	02.08.2021	First auditor	Unterägeri
Stiftung Kirchengüter Pfarrei Heilige Familie Unterägeri	CHE-207.847.688	Unterägeri	08.07.2020	First auditor	Unterägeri
Jul. Weinberger AG, Thalwil	CHE-113.421.593	Thalwil	16.04.2020	Auditor switch	Unterägeri
QLS GmbH	CHE-455.588.289	Mettmenstetten	22.01.2020	First auditor	Unterägeri

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
Fatexpro AG	CHE-112.964.017	Zug	05.02.2024	Auditor switch	Unterägeri
Yvonne und Peter Imholz Stiftung	CHE-161.057.892	Zug	12.10.2023	Auditor switch	Unterägeri
Jul. Weinberger AG, Thalwil	CHE-113.421.593	Thalwil	05.10.2023	Auditor switch	Unterägeri
QLS GmbH	CHE-455.588.289	Mettmenstetten	08.08.2023	Auditor switch	Unterägeri
M + K Iten AG	CHE-107.418.022	Oberägeri	04.07.2023	Auditor switch	Unterägeri