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Fact Sheet Santschi & Partner Treuhand AG

Core Company Information
Company Name Santschi & Partner Treuhand AG
UID CHE-107.545.502
Alternative / previous Names -
Domicile Reinach (BL)
Canton BL
Legal Form Limited corporation
Inscription Date 22.12.1993
FAOA Information
FAOA ID 500300
RAB Permission licensed audit expert
FAOA License active (since 28.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations EXPERTsuisse
Number of auditors with permission 4  (30.25 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 11.4 years (max.: 32.5 years)

Total number of statutory audit clients: 121 (Ranked #97 in Switzerland)

Change in number of audit engagements: -1 (since 31.12.2025), -1 (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 JU LU SG SH SO SZ VS ZG ZH ∑
Limited corporation 4 5 23 18 1 2 1   5   1 1 1 62
Limited liability company     4     1     3 1       9
Foundation 3   19 16       1 1         40
Cooperative     2 2                   4
Association     4 1         1         6
∑ 7 5 52 37 1 3 1 1 10 1 1 1 1 121

This audit firm is recorded as statutory auditor for 57 deleted entities. These are not included in the table above.

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Related audit firms

Same domicile: 

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Lemmin Services GmbH CHE-410.725.354 Dornach 21.05.2026 First auditor Reinach (BL)
Pentapharm AG CHE-206.038.019 Aesch (BL) 22.12.2025 Auditor switch Reinach (BL)
Bio-Stiftung Schweiz CHE-101.822.330 Basel 24.11.2025 Auditor switch Reinach (BL)
Solbad Gastronomie AG CHE-103.104.168 Basel 27.10.2025 Auditor switch Reinach (BL)
Wohlfahrtsfonds der Brenntag Schweizerhall AG CHE-112.971.069 Basel 26.05.2025 Auditor switch Reinach (BL)
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
DESCO AG CHE-101.368.420 Niederdorf 02.07.2026 Opting-out Reinach (BL)
HEYVA SOR A KURDISTANÊ SWÎSRE (HSK-CH) CHE-278.432.065 Genève 07.01.2026 Discontinued Reinach (BL)
ValVac SA CHE-311.857.503 Ettingen 12.11.2025 Auditor switch Reinach (BL)
Top Boden AG CHE-280.183.782 Ettingen 11.11.2025 Auditor switch Reinach (BL)
Glas Felber AG CHE-414.895.570 Münchenstein 13.10.2025 Auditor switch Reinach (BL)