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Fact Sheet OPES AG

Core Company Information
Company Name OPES AG
UID CHE-102.372.223
Alternative / previous Names Opes Revision AG
Theiler Treuhand AG, Opes Sachwalter AG
Domicile Luzern
Canton LU
Legal Form Limited corporation
Inscription Date 13.09.1976
Website http://www.opes.ch
Phone +41 41 289 60 60
Takeovers: OPES Treuhand AG (CHE-105.803.449), per 17.09.2012
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

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

Covered accounting standards

  • CO (Code of Obligations)
  • Swiss GAAP FER
  • IFRS (International Financial Reporting Standards)
  • HAM2 (Harmonized Accounting Model 2)

Covered languages

  • German
  • English
FAOA Information
FAOA ID 500906
RAB Permission licensed audit expert
FAOA License active (since 01.11.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (3) OPES AG (CHE-416.710.977) in Emmen (LU)   [+]
OPES AG (CHE-356.946.882) in Sursee (LU)
OPES AG (CHE-137.828.809) in Zug (ZG)
OPES AG (CHE-447.113.211) in Zug (ZG)
Membership in Associations EXPERTsuisse
TREUHAND|SUISSE
Number of auditors with permission 5  (39.40 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.1 years (max.: 32 years)

Total number of statutory audit engagements: 197 (Ranked #52 in Switzerland)

Change in number of audit engagements: +9 (since 31.12.2024), +26 (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 GR LU NW OW SG SO SZ TI UR VD ZG ZH
Limited corporation 2 8 7 1 1 1 81 8 2 1 1   1 1   8 7 130
Limited liability company             2                     2
Foundation   1   1     35 2 2     1     1 2 6 51
Cooperative             5                   1 6
Association             6                   2 8
2 9 7 2 1 1 129 10 4 1 1 1 1 1 1 10 16 197

This audit firm is recorded as statutory auditor for 90 deleted entities. These are not included in the table above.

Display client list

Audit Engagements by Branch Office

The 197 statutory audits are performed by the branch offices as indicated in the table below.

  AG BE BL BS FR GR LU NW OW SG SO SZ TI UR VD ZG ZH
Emmen             9 1                   10
Luzern 2 9 7 2 1 1 119 9 4 1 1 1 1   1 5 13 177
Zug             1             1   5 3 10
2 9 7 2 1 1 129 10 4 1 1 1 1 1 1 10 16 197

Show client list for Emmen, Luzern, Zug.

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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
Louis und Idy Steffen-Stadler - Stiftung CHE-110.223.832 Luzern 21.05.2025 Auditor switch Luzern
Willy und Margrith Friedli-Bosshard Stiftung CHE-114.497.587 Luzern 21.05.2025 Auditor switch Luzern
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Zimmermann Engineering AG CHE-115.801.653 Cham 21.03.2025 First auditor Luzern
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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
Wirzhaus AG CHE-475.399.811 Luzern 07.03.2025 Auditor switch Luzern
caffè Don George Gourmetrösterei AG CHE-364.997.982 Untervaz 11.12.2024 Auditor switch Luzern
HOCHSTRASSER AG LITTAU CHE-107.245.313 Luzern 11.12.2024 Auditor switch Luzern
Weinhof AG CHE-102.764.959 Sursee 28.06.2024 Opting-out Luzern
BQS-Technik AG CHE-107.713.202 Obfelden 30.04.2024 Opting-out Zug