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	Binder Treuhand AG
UID	CHE-112.136.090
Alternative / previous Names	Heinz P. Keller Treuhand GmbH
Domicile	Zürich
Canton	ZH
Legal Form	Limited corporation
Firm Inscription Date	07.12.2004
Takeovers:	Treuhandbüro Heinz P. Keller (CHE-108.045.923), per 07.12.2004

FAOA Information

FAOA ID	502988
RAB Permission	licensed audit expert
FAOA License	active (since 21.11.2008)
Link to FAOA website	View auditor profile at FAOA
Branch offices (0)	-
Membership in Associations	-
Number of auditors with permission	2 (14.50 audit engagements per employee on average)

Auditor Statistics

Average engagement duration: 6.4 years (max.: 28.2 years)

Total number of statutory audit engagements: 29 (Ranked #178 in Switzerland)

Change in number of audit engagements: +1 (since 31.12.2023), +2 (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	Schaffhausen	Thurgau	Zug	Zürich	∑
Limited corporation	1	1	2	2	14	20
Limited liability company					3	3
Foundation					5	5
Association					1	1
∑	1	1	2	2	23	29

This audit firm is recorded as statutory auditor for 2 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
Brander AG, Metallbau + Normbauteile	CHE-105.933.827	Steinmaur	12.02.2024	Auditor switch	Zürich
sportagon gmbh	CHE-105.157.626	Lindau	30.06.2023	First auditor	Zürich
C&R Straub-Stiftung	CHE-234.295.656	Zürich	22.03.2023	First auditor	Zürich
escola GmbH	CHE-298.429.534	Zürich	14.02.2023	First auditor	Zürich
Alfons' Blumenmarkt AG	CHE-192.901.638	Zollikon	19.12.2022	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
WISAG Wissenschaftliche Apparaturen und Industrieanlagen AG	CHE-107.843.230	Illnau-Effretikon	24.02.2022	Opting-out	Zürich
Anako Business Group AG	CHE-338.840.501	Cham	21.02.2022	Opting-out	Zürich
Estella Immobilien AG	CHE-113.843.126	Fehraltorf	06.03.2020	Opting-out	Zürich
Generalbau Rudolf Lüthy AG	CHE-100.483.449	Diessenhofen	06.03.2020	Opting-out	Zürich
Herzog Dichtungen AG	CHE-107.362.309	Urdorf	06.03.2020	Auditor switch	Zürich