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Fact Sheet TRETOR AG

Core Company Information
Company Name TRETOR AG
UID CHE-108.227.200
Alternative / previous Names H & H Treuhand AG (until 08.12.1999)
Domicile Liestal
Canton BL
Legal Form Limited corporation
Inscription Date 23.02.1995
Takeovers: TRETOR AG Basel (CHE-106.018.967), per 30.06.2016
Treuhand AG Liestal (CHE-107.791.308), per 19.09.2007
FAOA Information
FAOA ID 500336
RAB Permission licensed audit expert
FAOA License active (since 19.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (1) TRETOR AG (CHE-302.042.904) in Basel (BS)
Membership in Associations EXPERTsuisse
veb.ch
Number of auditors with permission 17  (19.35 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 8.7 years (max.: 30.5 years)

Total number of statutory audit engagements: 329 (Ranked #25 in Switzerland)

Change in number of audit engagements: +23 (since 31.12.2023), +62 (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 BE BL BS LU NE NW OW SG SO SZ TG ZG ZH
Limited corporation 8 4 108 50 2   7 1 1 11 1 2   6 201
Limited liability company 1 1 14 7 17 1     2 2 1   1 1 48
Foundation 1 1 25 32           2       1 62
Cooperative     3 6                     9
Association     4 2           1       1 8
Special legal forms     1                       1
10 6 155 97 19 1 7 1 3 16 2 2 1 9 329

This audit firm is recorded as statutory auditor for 74 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 329 statutory audits are performed by the branch offices as indicated in the table below.

  AG BE BL BS LU NE NW OW SG SO SZ TG ZG ZH
Basel 1 2 7 43       1   12       1 67
Liestal 9 4 148 54 19 1 7   3 4 2 2 1 8 262
10 6 155 97 19 1 7 1 3 16 2 2 1 9 329

Show client list for Basel, Liestal.

Related audit firms

Direct personal relationship:

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Alois Schmidlin AG CHE-107.789.228 Arlesheim 13.06.2024 Auditor switch Liestal
B. Krasniqi Zürich Witikonerstrasse GmbH, mit Sitz in Luzern CHE-114.324.142 Luzern 12.06.2024 Auditor switch Liestal
Ergolz Klinik AG CHE-107.614.161 Liestal 11.06.2024 Auditor switch Liestal
MTS Mathematisch Technische Software AG CHE-103.537.627 Pratteln 10.06.2024 Auditor switch Liestal
Prime Networks AG CHE-103.889.032 Basel 10.06.2024 Auditor switch Liestal
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
Dreiess AG CHE-375.516.921 Basel 13.06.2024 Opting-out Liestal
MCMmedsysAG CHE-103.645.837 Solothurn 10.04.2024 Auditor switch Liestal
Senioren Wohngenossenschaft Münchenstein CHE-111.727.609 Münchenstein 27.03.2024 Auditor switch Liestal
Moret - Brodmann AG CHE-106.492.352 Hofstetten-Flüh 05.03.2024 Auditor switch Basel
Schreinerei Chanton AG CHE-257.191.252 St. Niklaus 19.02.2024 Opting-out Basel