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Fact Sheet Controlla AG

Core Company Information
Company Name Controlla AG
UID CHE-105.877.933
Alternative / previous Names Controlla Revisions AG (until 23.02.2018)
Domicile Frauenfeld
Canton TG
Legal Form Limited corporation
Inscription Date 19.01.1981
Takeovers: Controlla Holding AG (CHE-102.447.708), per 25.07.2022
FAOA Information
FAOA ID 502159
RAB Permission licensed audit expert
FAOA License active (since 18.12.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations EXPERTsuisse
Number of auditors with permission 6  (34.50 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 10.7 years (max.: 31.9 years)

Total number of statutory audit clients: 207 (Ranked #51 in Switzerland)

Change in number of audit engagements: +15 (since 31.12.2025), +16 (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 FR GL LU SG SH SO SZ TG VD VS ZG ZH ∑
Limited corporation 2 1 2 1   6 1 1 4 80 1 3 4 62 168
Limited liability company         1         3       5 9
Foundation   1               8   1   9 19
Cooperative                   5       3 8
Association                   2   1     3
∑ 2 2 2 1 1 6 1 1 4 98 1 5 4 79 207

This audit firm is recorded as statutory auditor for 81 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
feyn AG CHE-411.445.816 Zürich 06.10.2026 Auditor switch Frauenfeld
CONVISA AG CHE-105.740.470 Schwyz 01.10.2026 Auditor switch Frauenfeld
CONVISA Holding AG CHE-114.092.925 Schwyz 01.10.2026 Auditor switch Frauenfeld
CONVISA Revisions AG CHE-113.961.292 Schwyz 01.10.2026 Auditor switch Frauenfeld
Kaden und Partner AG CHE-106.050.103 Frauenfeld 23.09.2026 Auditor switch Frauenfeld
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
Garage Kern AG CHE-102.600.097 Ermatingen 10.07.2026 Auditor switch Frauenfeld
Plat4mation GmbH CHE-203.944.714 Winterthur 08.04.2026 Auditor switch Frauenfeld
Energy Line AG CHE-426.299.512 Sarnen 19.12.2025 Auditor switch Frauenfeld
REGO FINANCE GmbH CHE-146.735.420 Opfikon 10.12.2025 Auditor switch Frauenfeld
Erna Maurer-Stiftung CHE-211.047.797 Wettswil am Albis 19.06.2025 Opting-out Frauenfeld