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Fact Sheet RR Treuhand GmbH

Core Company Information

FAOA Information

FAOA ID	500633
RAB Permission	licensed auditor
FAOA License	cancelled (active from 27.02.2008 until 24.05.2017)
Link to FAOA website	View auditor profile at FAOA
Branch offices (0)	-
Membership in Associations	TREUHAND\|SUISSE
Number of auditors with permission	-

Auditor Statistics

Average engagement duration: n/a years (max.: n/a years)

Total number of statutory audit clients: 0 (Ranked #n/a in Switzerland)

Change in number of audit engagements: n/a (since 31.12.2025), - (over the last 12 months)

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
Descartes (Schweiz) AG	CHE-107.738.716	Winterthur	10.05.2013	Auditor switch	Sissach
D-ploy (Schweiz) GmbH	CHE-115.803.652	Kaiseraugst	03.05.2012	Auditor switch	Sissach
Schweighauser AG Schreinerei Innenausbau	CHE-102.606.645	Muttenz	11.01.2012	Auditor switch	Sissach
D-ploy GmbH	CHE-109.876.335	Kaiseraugst	28.01.2009	First auditor	Sissach
Elektro Schmidli GmbH	CHE-109.753.276	Oberdorf (BL)	09.01.2009	First auditor	Sissach

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
C. Hepp AG	CHE-102.527.170	Basel	22.06.2017	Opting-out	Sissach
D-ploy (Schweiz) GmbH	CHE-115.803.652	Kaiseraugst	19.01.2016	Auditor switch	Sissach
D-ploy GmbH	CHE-109.876.335	Kaiseraugst	19.01.2016	Auditor switch	Sissach
Compudata EDI Dienstleister AG	CHE-112.109.822	Murten	03.03.2014	Opting-out	Sissach
Descartes (Schweiz) AG	CHE-107.738.716	Winterthur	03.03.2014	Opting-out	Sissach