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Fact Sheet T + R AG

Core Company Information
Company Name T + R AG
UID CHE-105.857.623
Alternative / previous Names T + R SA, T + R Ltd.
T & R AG, T & R SA, T & R Ltd.
Treuhand- & Revisions-AG Bern
Domicile Muri bei Bern
Canton BE
Legal Form Limited corporation
Inscription Date 05.08.1953
Website http://www.t-r.ch
Phone +41 31 950 09 09
Takeovers: G. Schenk Treuhand AG (CHE-107.390.493), per 27.12.2006
Nomima AG (CHE-106.438.105), per 25.03.2014
RCP Treuhand AG (CHE-101.283.321), per 23.03.2004
Revistag Treuhand AG (CHE-108.388.412), per 25.03.2014
T + R Steuerberatungs-AG (CHE-110.318.622), per 25.03.2014
Offered services

Audit services

  • limited statutory examination (art. 727a CO)
  • ordinary statutory audit (art. 727 CO)
  • audit of incorporation or capital increase reports (art. 635a and 652f CO)
  • audit of capital decreases (art. 653m CO)
  • audit in relation to early distribution of assets (art. 745 CO)
  • audits in the context of the merger law
  • limited statutory examination according to art. 725a CO
  • other special examinations based on legal requirements (such as in the context of relocations or public bids)
  • reviews (according to ISRE 2400 or ISRE 2410)
  • audit of the equal pay analysis (art. 13d GEA)

Non-audit services

  • accounting and fiduciary services
  • consulting
  • tax consulting
  • due diligence
  • valuation services

Covered accounting standards

  • CO (Code of Obligations)
  • Swiss GAAP FER
  • HAM2 (Harmonized Accounting Model 2)

Covered languages

  • German
  • French
  • English
FAOA Information
FAOA ID 500012
RAB Permission state-regulated audit firm
FAOA License active (since 07.01.2008)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) T + R AG, Zweigniederlassung in Biel/Bienne (CHE-480.315.197) in Biel/Bienne (BE)
T + R AG, Zweigniederlassung Kerzers (CHE-223.451.107) in Kerzers (FR)
T + R AG, Zweigniederlassung in Meyriez (CHE-403.769.487) in Meyriez (FR)
Membership in Associations EXPERTsuisse
TREUHAND|SUISSE
Number of auditors with permission 22  (24.36 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 9.9 years (max.: 32.8 years)

Total number of statutory audit clients: 536 (Ranked #13 in Switzerland)

Change in number of audit engagements: -4 (since 31.12.2025), +22 (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 FR GE GR LU NE NW OW SG SH SO SZ VD VS ZG ZH ∑
Limited corporation 9 252 5 5 3   3 8 1 1 3     15 1 3 2 6 15 332
Limited liability company 1 23                                 1 25
Foundation 3 108 1 5 1 1   2       3 1 3   1 1   13 143
Cooperative   7                           1     1 9
Association   23                       2           25
Special legal forms   1                                 1 2
∑ 13 414 6 10 4 1 3 10 1 1 3 3 1 20 1 5 3 6 31 536

This audit firm is recorded as statutory auditor for 251 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 536 statutory audits are performed by the branch offices as indicated in the table below.

  AG BE BL BS FR GE GR LU NE NW OW SG SH SO SZ VD VS ZG ZH ∑
Muri bei Bern 13 414 6 10 4 1 3 10 1 1 3 3 1 20 1 5 3 6 31 536
∑ 13 414 6 10 4 1 3 10 1 1 3 3 1 20 1 5 3 6 31 536

Show client list for Muri bei Bern.

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
Framatome AG CHE-234.614.773 Baden 27.03.2026 First auditor Muri bei Bern
RefBernImmo AG CHE-460.709.096 Bern 27.03.2026 Auditor switch Muri bei Bern
TopSolid Switzerland AG CHE-107.842.704 Cham 23.12.2025 Auditor switch Muri bei Bern
Personalvorsorgestiftung der Firma Emch Aufzüge AG CHE-109.356.679 Bern 15.12.2025 Auditor switch Muri bei Bern
Studienzentrum Gerzensee, Stiftung der Schweizerischen Nationalbank CHE-106.229.056 Gerzensee 25.11.2025 Auditor switch Muri bei Bern
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
Hotel Seiler au Lac AG CHE-474.496.417 Bönigen 13.04.2026 Auditor switch Muri bei Bern
Switzerland GE Properties AG CHE-335.194.544 Bönigen 13.04.2026 Auditor switch Muri bei Bern
Fürsorgestiftung Schweizer Berufsverband der Pflegefachfrauen und Pflegefachmänner (SBK) CHE-111.748.190 Bern 18.03.2026 Auditor switch Muri bei Bern
Domenig & Partner Notariat AG CHE-171.037.158 Bern 30.01.2026 Opting-out Muri bei Bern
Granoplant AG CHE-105.327.733 Kerzers 01.01.2026 Opting-out Muri bei Bern