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Fact Sheet Rinderer & Partner AG

Core Company Information

FAOA Information

FAOA ID	505501
RAB Permission	licensed audit expert
FAOA License	active (since 05.04.2024)
Link to FAOA website	View auditor profile at FAOA
Branch offices (0)	-
Membership in Associations	EXPERTsuisse
Number of auditors with permission	2 (21.00 audit engagements per employee on average)

Average engagement duration: 10.2 years (max.: 32.5 years)

Total number of statutory audit clients: 42 (Ranked #167 in Switzerland)

Change in number of audit engagements: +6 (since 31.12.2025), +7 (over the last 12 months)

Details regarding the distribution of the audit engagements across legal forms and cantons are depicted in the table below.

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
Promethiem AG	CHE-275.023.457	Steinhausen	04.05.2026	Auditor switch	Buchs (SG)
Technetiem AG	CHE-375.465.933	Steinhausen	04.05.2026	Auditor switch	Buchs (SG)
Prefera Treuhand AG	CHE-107.798.500	Sargans	13.04.2026	Auditor switch	Buchs (SG)
Prefera Audit AG	CHE-110.139.812	Sargans	23.01.2026	Auditor switch	Buchs (SG)
Prefera Immobilien AG	CHE-109.522.179	Sargans	23.01.2026	Auditor switch	Buchs (SG)

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
AKRON Technologies AG	CHE-102.056.271	Amriswil	12.05.2025	Auditor switch	Buchs (SG)