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Fact Sheet HST Treuhand AG

Core Company Information
Company Name HST Treuhand AG
UID CHE-103.337.991
Alternative / previous Names Treuhand Hans Wüthrich AG, Steffisburg
Domicile Thierachern
Canton BE
Legal Form Limited corporation
Inscription Date 29.04.1977
FAOA Information
FAOA ID 500483
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 -
Number of auditors with permission 4  (23.50 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 8.1 years (max.: 18.2 years)

Total number of statutory audit clients: 94 (Ranked #117 in Switzerland)

Change in number of audit engagements: +6 (since 31.12.2025), +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 BE BS GE SG TG ZH ∑
Limited corporation   41         3 44
Limited liability company   9         1 10
Foundation 1 14 1   1 1 1 19
Cooperative   6           6
Association 1 7   1 1 1 4 15
∑ 2 77 1 1 2 2 9 94

This audit firm is recorded as statutory auditor for 17 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
Röthlisberger AG, Die Schreinermanufaktur CHE-101.740.778 Signau 31.08.2026 Auditor switch Thierachern
Teba AG CHE-226.564.452 Fahrni 24.06.2026 First auditor Thierachern
Cadec AG CHE-103.659.992 Worb 22.06.2026 Auditor switch Thierachern
Genossenschaft Alternative Schönegg Bern CHE-104.339.113 Bern 19.06.2026 Auditor switch Thierachern
Zahnärzte Burgergut Steffisburg AG CHE-268.845.684 Steffisburg 12.06.2026 First auditor Thierachern
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
Prevision Medicine AG CHE-368.372.746 Schlieren 02.10.2026 Auditor switch Thierachern
Südland Health AG CHE-442.810.745 Bern 03.07.2026 Opting-out Thierachern
Magnolia Burgdorf GmbH CHE-156.656.874 Burgdorf 26.06.2026 Opting-out Thierachern
Bieri Food AG CHE-100.262.138 Eschenbach (SG) 13.08.2025 Auditor switch Thierachern
Santschi Möbel und Innenausbau AG CHE-102.218.711 Thierachern 28.04.2025 Auditor switch Thierachern