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Fact Sheet Rhenum Treuhand AG

Core Company Information
Company Name Rhenum Treuhand AG
UID CHE-107.976.948
Alternative / previous Names -
Domicile Altstätten
Canton SG
Legal Form Limited corporation
Inscription Date 28.02.1985
Takeovers: BHR Treuhand AG (CHE-107.929.558), per 01.02.2010
FAOA Information
FAOA ID 501684
RAB Permission licensed audit expert
FAOA License active (since 27.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations EXPERTsuisse
Number of auditors with permission 3  (11.67 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 15.1 years (max.: 32.8 years)

Total number of statutory audit engagements: 35 (Ranked #178 in Switzerland)

Change in number of audit engagements: -2 (since 31.12.2024), -3 (over the last 12 months)

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

  Appenzell Ausserrhoden Glarus St. Gallen Schwyz Zürich ∑
Limited corporation   1 27 1   29
Limited liability company 1   1   1 3
Cooperative     2     2
Association     1     1
∑ 1 1 31 1 1 35

This audit firm is recorded as statutory auditor for 19 deleted entities. These are not included in the table above.

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Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
K. Lienhard Transport AG CHE-106.910.728 Glarus Nord 25.06.2025 Auditor switch Altstätten
Forst AG Oberes Rheintal CHE-146.873.298 Rüthi (SG) 03.06.2025 First auditor Altstätten
Bilfit AG CHE-108.055.790 Diepoldsau 06.12.2024 Auditor switch Altstätten
Auto RiKu AG CHE-242.324.780 Rheineck 16.08.2024 First auditor Altstätten
Pütz Security Swiss AG CHE-282.619.164 Sennwald 20.03.2024 First auditor Altstätten
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
Silvestri AG CHE-107.285.560 Altstätten 04.11.2025 Auditor switch Altstätten
Scheiwiler Haustechnik AG CHE-104.653.319 Altstätten 11.09.2025 Auditor switch Altstätten
Thür Transporte AG CHE-101.858.658 Altstätten 27.08.2025 Auditor switch Altstätten
bischof präzisionsschleifen AG CHE-107.601.201 Diepoldsau 12.08.2025 Auditor switch Altstätten
Gebr. Bürki Transporte AG CHE-107.976.635 Rheineck 17.12.2024 Opting-out Altstätten