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	Trewi Treuhand- und Revisions-AG
UID	CHE-103.390.270
Alternative / previous Names	-
Domicile	Winterthur
Canton	ZH
Legal Form	Limited corporation
Firm Inscription Date	11.08.1965
Firm Deletion Date	19.07.2005
Acquired by:	PricewaterhouseCoopers AG (CHE-106.839.438)

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

National Treuhand AG in Liquidation (CHE-101.266.363), 1 audit engagements
Willy Bühler & Co Treuhand und Revisions AG (CHE-101.271.602), 0 audit engagements
Frei + Kläui Treuhand AG (CHE-107.159.412), 0 audit engagements
C&L-Coopers & Lybrand AG (CHE-108.753.629), 1 audit engagements
Neuhaus & Partner (CHE-100.560.707), 0 audit engagements
Coopers & Lybrand Bankenrevision AG (CHE-101.330.156), 0 audit engagements
Controllexpert AG (ADM-137.181.853), 0 audit engagements
Revisuisse Price Waterhouse AG (ADM-271.016.843), 2 audit engagements
Price Waterhouse AG (ADM-315.960.011), 0 audit engagements
STG-Coopers & Lybrand Consulting AG (ADM-405.109.008), 0 audit engagements
Ofor Révision Bancaire SA (CHE-100.093.893), 0 audit engagements
Ofor (CHE-103.852.431), 0 audit engagements
PricewaterhouseCoopers Holding GmbH (CHE-100.945.674), 0 audit engagements
Coopers & Lybrand, Revisa, Revisuisse AG (CHE-101.269.060), 5 audit engagements
Revisuisse AG (CHE-100.995.554), 0 audit engagements
Revisa Treuhand AG (CHE-101.282.818), 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
Cool Wheels AG in Liquidation	CHE-101.110.689	Hunzenschwil	20.11.2001	First auditor	Winterthur
Daniela Rupf AG	CHE-101.329.839	Feusisberg	19.12.2000	Auditor switch	Winterthur
GOBO Handels AG in Liquidation	CHE-106.846.912	Winterthur	23.06.2000	First auditor	Winterthur
Ewald Feldmann AG	CHE-105.552.419	Widnau	14.06.2000	First auditor	Winterthur
ORAG Gastro AG in Liquidation	CHE-102.982.723	Dübendorf	08.02.2000	First auditor	Winterthur

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
Lindspitz AG	CHE-101.907.570	Winterthur	06.10.2006	Auditor switch	Winterthur
G & G Wohnbau AG	CHE-107.494.371	Seuzach	22.05.2006	Auditor switch	Winterthur
TOP MEDIA AG	CHE-100.508.440	Winterthur	29.07.2005	Auditor switch	Winterthur
MERTEC AG in Liquidation	CHE-107.979.125	Ossingen	15.06.2005	Auditor switch	Winterthur
Cool Wheels AG in Liquidation	CHE-101.110.689	Hunzenschwil	04.03.2005	Auditor switch	Winterthur