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Fact Sheet Testatoris AG

Core Company Information
Company Name Testatoris AG
UID CHE-104.449.463
Alternative / previous Names Testatoris SA, Testatoris Ltd.
Testator AG
Domicile Luzern
Canton LU
Legal Form Limited corporation
Inscription Date 11.08.1997
FAOA Information
FAOA ID 500901
RAB Permission licensed audit expert
FAOA License active (since 17.10.2007)
Link to FAOA website View auditor profile at FAOA
Branch offices (0) -
Membership in Associations EXPERTsuisse
Number of auditors with permission 1  (31.00 audit engagements per employee on average)
Auditor Statistics

Average engagement duration: 14.5 years (max.: 28.6 years)

Total number of statutory audit clients: 31 (Ranked #176 in Switzerland)

Change in number of audit engagements: -6 (since 31.12.2025), -8 (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 BS LU NW OW SZ ZG ZH ∑
Limited corporation 1 2 8 1 2 2 7   23
Limited liability company       1         1
Foundation     4         3 7
∑ 1 2 12 2 2 2 7 3 31

This audit firm is recorded as statutory auditor for 46 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
Kauz Informatik Medien AG CHE-182.088.622 Ballwil 14.07.2023 First auditor Luzern
Swiss Kiss Petrol AG in Liquidation CHE-244.224.385 Luzern 05.06.2023 First auditor Luzern
HiperStream Software AG in Liquidation CHE-362.853.102 Cham 29.03.2022 Auditor switch Luzern
Elly Schnorf-Schmid Stiftung CHE-145.113.747 Zürich 25.02.2022 First auditor Luzern
La Sauge Gastro SA CHE-431.350.053 Cudrefin 07.02.2022 First auditor Luzern
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
Bill Stiftung CHE-110.400.643 Adligenswil 25.08.2026 Auditor switch Luzern
Margot und Jost Limmacher-Leo Stiftung CHE-173.028.035 Adligenswil 25.08.2026 Auditor switch Luzern
Max, Binia und Jakob Bill Stiftung CHE-100.857.308 Adligenswil 25.08.2026 Auditor switch Luzern
RIWAG Präzisionswerkzeuge AG CHE-104.862.478 Adligenswil 25.08.2026 Auditor switch Luzern
Orna-Vasso AG CHE-107.892.010 Naters 03.06.2026 Auditor switch Luzern