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	ATAG Treuhand Holding AG
UID	CHE-102.019.092
Alternative / previous Names	ATAG Allgemeine Treuhand AG, ATAG Fiduciaria Generale SA, ATAG Fiduciaire Générale SA Atag Ernst & Young Holding AG
Domicile	Zug
Canton	ZG
Legal Form	Limited corporation
Firm Inscription Date	19.03.1917
Firm Deletion Date	04.12.2017
Takeovers:	L & U Treuhand AG (CHE-100.485.023), per 04.06.2002
Acquired by:	ATAG Treuhand Finanz AG in Liquidation (CHE-102.761.754)

FAOA Information

FAOA ID	-
RAB Permission	-
FAOA License	unknown
Link to FAOA website	n/a
Branch offices (0)	-
Membership in Associations	-
Number of auditors with permission	-

Auditor Statistics

Average engagement duration: n/a years (max.: 0 years)

Total number of statutory audit engagements: 0 (Ranked #n/a in Switzerland)

Change in number of audit engagements: n/a (since 31.12.2023), - (over the last 12 months)

Related audit firms

Truvag + Partner, Treuhand und Revisions AG, Bern (CHE-100.245.341), 0 audit engagements
Ernst & Young AG (CHE-105.932.265), 3306 audit engagements
ALH Plano AG in Liquidation (CHE-105.839.631), 5 audit engagements
Neofidaria AG (ADM-169.740.521), 0 audit engagements
Hangartner Treuhand AG (CHE-100.067.795), 0 audit engagements
Verifica SA (CHE-100.818.159), 0 audit engagements
ATAG Allgemeine Treuhand AG (CHE-100.818.892), 0 audit engagements
GBR Ernst & Young AG (CHE-100.918.105), 0 audit engagements
Ernst & Young AG (CHE-101.392.967), 3 audit engagements
Treuhand- und Revisionsgesellschaft T + R Grischa AG (CHE-101.715.639), 0 audit engagements
Fiduciaire Jacques Ceriani SA (CHE-101.822.086), 1 audit engagements
Fiduciaire de gestion et d'informatique S.A. (CHE-102.664.306), 0 audit engagements
Bösch & Edthofer AG (CHE-103.349.066), 0 audit engagements
ANDERSEN AG (CHE-102.255.095), 0 audit engagements

Latest audit engagements

These are this auditor's latest audit engagements.

Client Name	Client UID	Domicile	Start Date	Type of switch	Auditor Branch

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