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Fact Sheet Bösch Treuhand

Core Company Information
Company Name Bösch Treuhand
UID CHE-347.904.123
Alternative / previous Names -
Domicile Rorschach
Canton SG
Legal Form Sole proprietorship
Inscription Date 18.12.2012
FAOA Information
FAOA ID 505144
RAB Permission licensed auditor
FAOA License active (since 13.06.2016)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations TREUHAND|SUISSE
Number of auditors with permission 1  (5.00 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 4.7 years (max.: 9.9 years)

Total number of statutory audit clients: 5 (Ranked #204 in Switzerland)

Change in number of audit engagements: -4 (since 31.12.2025), -2 (over the last 12 months)

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

  AR SG TG ∑
Limited liability company     1 1
Foundation 2 2   4
∑ 2 2 1 5

This audit firm is recorded as statutory auditor for 1 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
Brugger & Läuffer Stiftung CHE-336.039.030 Schübelbach 17.10.2025 First auditor Rorschach
HolzBau Bissegger GmbH CHE-115.013.118 Altnau 25.07.2025 Auditor switch Rorschach
Bridging Nations Stiftung CHE-346.574.879 Küsnacht (ZH) 27.02.2025 First auditor Rorschach
Andreas und Heidi Keller-Stiftung CHE-446.811.123 St. Gallen 20.08.2024 Auditor switch Rorschach
Stiftung "Pro Trogen" CHE-110.384.949 Trogen 25.10.2023 Auditor switch Rorschach
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
Bridging Nations Stiftung CHE-346.574.879 Küsnacht (ZH) 05.05.2026 Auditor switch Rorschach
Prado Gastro AG CHE-101.299.658 Sisikon 01.05.2026 Opting-out Rorschach
Carl Sutter-Stiftung CHE-112.052.949 Schwende-Rüte 08.04.2026 Auditor switch Rorschach
Brugger & Läuffer Stiftung CHE-336.039.030 Schübelbach 05.03.2026 Auditor switch Rorschach
Xmatik AG CHE-109.579.624 Arbon 15.10.2021 Auditor switch Rorschach