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	Grant Thornton Advisory AG
UID	CHE-100.726.095
Alternative / previous Names	Fasser & Leuenberger AG ReviTrust Treuhand AG
Domicile	Zürich
Canton	ZH
Legal Form	Limited corporation
Firm Inscription Date	04.05.1998
Firm Deletion Date	24.06.2019
Takeovers:	Fasser & Leuenberger, Steuerberatung, Buchhaltung, Revisionen (ADM-309.347.664), per 04.05.1998 Amberg Controlling AG (CHE-107.958.117), per 24.06.2010
Acquired by:	Grant Thornton AG (CHE-107.841.337)

FAOA Information

FAOA ID	501371
RAB Permission	licensed audit expert
FAOA License	cancelled (active from 12.12.2007 until 30.04.2018)
Link to FAOA website	View auditor profile at FAOA
Branch offices (0)	Grant Thornton Advisory AG (CHE-170.365.536) in Buchs (SG) (SG) Grant Thornton Advisory AG (CHE-434.782.213) in Genève (GE)
Membership in Associations	EXPERTsuisse TREUHAND\|SUISSE
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

Grant Thornton Spiess SA (CHE-102.004.156), 5 audit engagements
V.T. Verwaltungs-Treuhand AG in Liquidation (CHE-102.096.187), 0 audit engagements
TEBOR Treuhand AG (CHE-106.237.682), 0 audit engagements
Grant Thornton AG (CHE-109.041.827), 20 audit engagements
ReviTrust Audit AG (CHE-114.760.750), 0 audit engagements
awit wirtschaftsprüfer AG (CHE-102.730.038), 0 audit engagements
Grant Thornton Wirtschaftsprüfung AG (CHE-106.671.133), 0 audit engagements
GwG Prüfung und Beratung AG (CHE-284.229.555), 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
Unifi Switzerland GmbH	CHE-458.649.958	Schaffhausen	14.04.2015	First auditor	Zürich
Lab Top, Medizinische Laboratorien AG	CHE-109.302.330	Volketswil	07.03.2014	Auditor switch	Zürich
Genossenschaft Gleis 70	CHE-101.362.305	Zürich	06.02.2014	Auditor switch	Zürich
Verein Kiosk Josefwiese	CHE-104.637.935	Zürich	04.10.2011	First auditor	Zürich
Chaverim-Stiftung	CHE-112.851.318	Domat/Ems	08.09.2011	Auditor switch	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
Stiftung Bruggbach	CHE-100.355.780	Kirchberg (SG)	29.01.2018	Auditor switch	Zürich
Pre-We Aktiengesellschaft	CHE-103.245.685	Zürich	15.03.2017	Auditor switch	Zürich
Verein Kiosk Josefwiese	CHE-104.637.935	Zürich	13.02.2017	Auditor switch	Zürich
Anna Maria und Karl Kramer-Stiftung	CHE-101.014.703	Zürich	15.09.2016	Auditor switch	Zürich
Genossenschaft Gleis 70	CHE-101.362.305	Zürich	02.08.2016	Auditor switch	Zürich