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

Fact Sheet Trecon Treuhand AG

Core Company Information
Company Name Trecon Treuhand AG
UID CHE-111.791.145
Alternative / previous Names -
Domicile Zürich
Canton ZH
Legal Form Limited corporation
Firm Inscription Date 23.07.2004
FAOA Information
FAOA ID 502380
RAB Permission licensed audit expert
FAOA License active (since 06.02.2008)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations TREUHAND|SUISSE
Number of auditors with permission 5  (6.60 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 11.6 years (max.: 30.1 years)

Total number of statutory audit engagements: 33 (Ranked #172 in Switzerland)

Change in number of audit engagements: -1 (since 31.12.2023), -5 (over the last 12 months)

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

Limited corporation 11 1 2 2 1 10 27
Limited liability company 1 1         2
Foundation 2         1 3
Cooperative           1 1
14 2 2 2 1 12 33

This audit firm is recorded as statutory auditor for 4 deleted entities. These are not included in the table above.

Display client list

Related audit firms


Total number of audit engagements across the network: 33

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
Wirtshaus Rütihof AG Gränichen CHE-107.066.874 Gränichen 24.06.2022 Auditor switch Zürich
Scientology Kirche Basel CHE-107.306.908 Basel 17.05.2022 Auditor switch Zürich
Huber Metall- und Stahlbau AG CHE-106.933.445 Erlinsbach (SO) 09.02.2022 Auditor switch Zürich
Scientology Kirche Zürich CHE-102.773.510 Volketswil 25.01.2022 Auditor switch Zürich
Stiftung Vision Zukunft CHE-112.106.930 Buchs (AG) 20.01.2022 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
Carrier Call AG CHE-112.246.270 Schinznach 14.05.2024 Auditor switch Zürich
Scientology Kirche Basel CHE-107.306.908 Basel 19.12.2023 Discontinued Zürich
Goldberg Capital Partners AG CHE-497.835.708 Zürich 15.12.2023 Discontinued Zürich
Scientology Kirche Zürich CHE-102.773.510 Volketswil 05.12.2023 Discontinued Zürich
Kinemation AG CHE-236.462.244 Niederhasli 08.09.2023 Opting-out Zürich