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

Fact Sheet TRETOR AG Basel

Core Company Information
Company Name TRETOR AG Basel
UID CHE-106.018.967
Alternative / previous Names Valiba Treuhand AG
Domicile Basel
Canton BS
Legal Form Limited corporation
Inscription Date 04.09.1985
Firm Deletion Date 30.06.2016
Acquired by: TRETOR AG (CHE-108.227.200)
FAOA Information
FAOA ID 500980
RAB Permission licensed audit expert
FAOA License cancelled (active from 09.11.2007 until 30.06.2016)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) Valiba Treuhand AG (CHE-420.219.265) in Breitenbach (SO)
Membership in Associations EXPERTsuisse
Number of auditors with permission -
Auditor Statistics

Average engagement duration: 1.6 years (max.: 2.8 years)

Total number of statutory audit engagements: 2 (Ranked #206 in Switzerland)

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

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

  Basel Landschaft Basel Stadt
Limited liability company   1 1
Association 1   1
1 1 2

This audit firm is recorded as statutory auditor for 35 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 2 statutory audits are performed by the branch offices as indicated in the table below.

  Basel Landschaft Basel Stadt
Basel 1 1 2
1 1 2

Show client list for Basel.

Related audit firms

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
GeneusChem GmbH CHE-487.186.848 Basel 06.03.2024 First auditor Basel
Klinisch-Therapeutisches Institut CHE-104.260.842 Arlesheim 07.10.2021 Auditor switch Basel
Rehatec AG CHE-106.486.400 Allschwil 31.01.2018 Auditor switch Basel
Grand Hotel Les Trois Rois SA CHE-101.433.796 Basel 25.09.2015 Auditor switch Basel
INVACARE AG CHE-107.385.983 Aesch (BL) 31.07.2015 Auditor switch Basel
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
Le Grand Bellevue SA CHE-103.121.592 Saanen 04.07.2018 Auditor switch Basel
Rehatec AG CHE-106.486.400 Allschwil 08.03.2018 Auditor switch Basel
KAWO SERVICES AG CHE-108.172.438 Schaffhausen 09.11.2017 Auditor switch Basel
Prime Immobilien AG CHE-113.267.406 Alpnach 27.10.2017 Auditor switch Basel
Global Logistics Investment AG in Liquidation CHE-105.195.408 Zug 26.05.2017 Auditor switch Basel