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Fact Sheet GtA Treuhand AG

Core Company Information
Company Name GtA Treuhand AG
UID CHE-106.157.310
Alternative / previous Names Beat Schmid Treuhand AG (until 23.12.2008)
Heinz Gäumann Treuhand AG (until 23.07.2025)
Domicile Thun
Canton BE
Legal Form Limited corporation
Inscription Date 28.02.1992
FAOA Information
FAOA ID 503669
RAB Permission licensed audit expert
FAOA License cancelled (active from 29.10.2008 until 24.04.2026)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations SwissAccounting
Number of auditors with permission -
Auditor Statistics

Average engagement duration: 10 years (max.: 16 years)

Total number of statutory audit clients: 4 (Ranked #205 in Switzerland)

Change in number of audit engagements: -15 (since 31.12.2025), -18 (over the last 12 months)

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

  BE LU ZG ∑
Limited corporation 1 1 1 3
Cooperative 1     1
∑ 2 1 1 4

This audit firm is recorded as statutory auditor for 11 deleted entities. These are not included in the table above.

Display client list

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Bug Bounty Switzerland AG CHE-218.065.572 Luzern 17.07.2023 First auditor Thun
Brunello Gastro AG CHE-253.292.658 Stettlen 01.06.2021 First auditor Thun
Grimm + Ruchti Treuhand AG CHE-108.127.260 Burgdorf 28.12.2020 Auditor switch Thun
AriesLibra AG CHE-102.394.087 Zug 04.10.2019 Auditor switch Thun
CMM Holding AG CHE-109.860.759 Zug 04.10.2019 Auditor switch Thun
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
MS Management AG CHE-132.631.777 Thun 06.10.2026 Auditor switch Thun
AriesLibra AG CHE-102.394.087 Zug 05.10.2026 Auditor switch Thun
Meier Systems AG CHE-306.903.250 Thun 02.10.2026 Auditor switch Thun
Bivag Boss Immobilien und Verwaltungen AG Thun CHE-103.232.889 Thun 01.10.2026 Auditor switch Thun
Predata AG CHE-103.664.935 Thun 30.09.2026 Auditor switch Thun