Get detailed statistics about any audit firm in Switzerland. Just type the auditor name in the field below and off you go!

Fact Sheet Limmat Audit AG

Core Company Information
Company Name Limmat Audit AG
UID CHE-107.390.027
Alternative / previous Names René Brunner Treuhand AG (until 15.01.2025)
Domicile Zürich
Canton ZH
Legal Form Limited corporation
Inscription Date 27.02.1992
Website https://www.limmataudit.ch/
Phone +41 44 303 20 82
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)
  • audit of non-financial reports (such as sustainability reports according to art. 964a CO)

Non-audit services

  • consulting
  • tax consulting
  • legal advice
  • 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 502520
RAB Permission licensed audit expert
FAOA License active (since 17.01.2008)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) René Brunner Treuhand AG (CHE-239.958.010) in Stäfa (ZH)
Membership in Associations EXPERTsuisse
Number of auditors with permission 4  (22.00 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.3 years (max.: 33.3 years)

Total number of statutory audit clients: 88 (Ranked #129 in Switzerland)

Change in number of audit engagements: -3 (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 BL FR GR LU SG SH SO SZ ZG ZH
Limited corporation 13 5   2 1 3 1 4 5 2 29 65
Limited liability company 3   1 1 2           12 19
Foundation           1           1
Cooperative                     2 2
Association                     1 1
16 5 1 3 3 4 1 4 5 2 44 88

This audit firm is recorded as statutory auditor for 41 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 88 statutory audits are performed by the branch offices as indicated in the table below.

  AG BL FR GR LU SG SH SO SZ ZG ZH
Zürich 16 5 1 3 3 4 1 4 5 2 44 88
16 5 1 3 3 4 1 4 5 2 44 88

Show client list for Zürich.

Related audit firms

Direct personal relationship:

Latest audit engagements
These are this auditor's latest audit engagements.
 
Client Name Client UID Domicile Start Date Type of switch Auditor Branch
GIPS D'AIRE GmbH Gipsergeschäft CHE-113.235.234 Dübendorf 22.12.2025 Auditor switch Zürich
Zürichsee-Gut AG CHE-100.149.677 Stäfa 12.12.2025 Auditor switch Zürich
Stalder Generalunternehmungen GmbH CHE-110.064.309 Luzern 24.11.2025 Auditor switch Zürich
STALDER Immo-Found AG CHE-112.974.518 Luzern 24.11.2025 Auditor switch Zürich
Stalder Immobilien und Finanz GmbH CHE-109.469.467 Luzern 24.11.2025 Auditor switch Zürich
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
Zollinger Thermobeschichtungen AG CHE-101.786.042 Tegerfelden 25.02.2026 Auditor switch Zürich
NYDEGGER Personal/Engineering AG CHE-235.478.159 Zurzach 10.02.2026 Auditor switch Zürich
Casty & Co. AG CHE-105.927.726 Landquart 06.02.2026 Opting-out Zürich
Suter Gastronomie GmbH in Liquidation CHE-109.275.466 Spreitenbach 06.10.2025 Discontinued Zürich
YAR ENERGY AG CHE-489.102.147 Zug 26.08.2025 Discontinued Zürich