Get detailed statistics about any audit firm in Switzerland. Just type the auditor name in the field below and off you go!

Fact Sheet Ostschweizerische Treuhand Zürich AG

Core Company Information
Company Name Ostschweizerische Treuhand Zürich AG
UID CHE-102.503.904
Alternative / previous Names -
Domicile Zürich
Canton ZH
Legal Form Limited corporation
Firm Inscription Date 23.11.1992
FAOA Information
FAOA ID 500640
RAB Permission licensed audit expert
FAOA License active (since 26.10.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations EXPERTsuisse
Number of auditors with permission 12  (25.08 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 7.9 years (max.: 29.7 years)

Total number of statutory audit engagements: 301 (Ranked #24 in Switzerland)

Change in number of audit engagements: +10 (since 31.12.2022), +11 (over the last 12 months)

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

  AG AI AR BE BL BS FR GE GL GR JU LU NE NW OW SG SH SO SZ TG VD VS ZG ZH
Limited corporation 6 2   9 1 4 2 2 2 2 1 2 1   2 9 2 3 7 6 8 5 19 114 209
Limited liability company 1                             2     2       2 3 10
Foundation 1   2 1                   1 1 1               25 32
Cooperative 2       1 2                   1       1       42 49
Association                                               1 1
10 2 2 10 2 6 2 2 2 2 1 2 1 1 3 13 2 3 9 7 8 5 21 185 301

This auditor is recorded as statutory auditor for 120 deleted entities. These are not included in the table above.

Display client list

Related audit firms

Network:

Total number of audit engagements across the network: 322

Direct personal relationship:

Further connections:

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Trauffer AG Markierungen, Emmen CHE-114.301.833 Emmen 25.01.2023 Auditor switch Zürich
Marc Ansermoz S.A. CHE-105.753.194 Aigle 23.01.2023 Auditor switch Zürich
Trauffer Marquage SA CHE-110.611.097 Lausanne 23.01.2023 Auditor switch Zürich
F. Wyssbrod AG CHE-105.791.935 Pieterlen 20.01.2023 Auditor switch Zürich
Trauffer AG CHE-106.018.571 Brienz (BE) 20.01.2023 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
Shaftproject Eurasia AG CHE-115.691.643 Zürich 27.10.2022 Opting-out Zürich
Mechel International Holdings GmbH CHE-109.385.824 Baar 19.09.2022 Opting-out Zürich
Mechel Trading AG CHE-112.691.210 Baar 19.09.2022 Opting-out Zürich
Mediaplus Services AG in Liquidation CHE-297.731.634 Zürich 30.08.2022 Discontinued Zürich
Mechel Carbon AG CHE-114.168.474 Baar 22.08.2022 Auditor switch Zürich