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Fact Sheet R. Buser Treuhand

Core Company Information

FAOA Information

FAOA ID	-
RAB Permission	-
FAOA License	unknown
Link to FAOA website	n/a
Branch offices (0)	-
Membership in Associations	-
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)

Latest audit engagements

These are this auditor's latest audit engagements.

Client Name	Client UID	Domicile	Start Date	Type of switch	Auditor Branch
Personalfürsorgestiftung der Firma Heinz Bitterlin AG in Liq.	CHE-109.523.055	Rünenberg	10.08.2007	First auditor	Sissach
Imhof Marcel AG	CHE-112.990.492	Maisprach	28.06.2006	First auditor	Sissach
P. Schweizer AG	CHE-107.287.748	Liestal	26.04.2005	Auditor switch	Sissach
Spowema-Tec AG in Liquidation	CHE-107.879.570	Sissach	14.01.2004	Auditor switch	Sissach
Gebr. Sager AG	CHE-102.264.467	Tecknau	13.09.2000	Auditor switch	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
Decotrend AG	CHE-105.348.712	Itingen	11.04.2012	Opting-out	Sissach
KKS AG	CHE-106.696.334	Kilchberg (BL)	07.10.2010	Opting-out	Sissach
BILA Aktiengesellschaft	CHE-100.121.704	Lausen	18.05.2010	Auditor switch	Sissach
Mondilux AG	CHE-108.474.572	Sissach	29.12.2009	Auditor switch	Sissach
Marcel Kaeser Malerei AG in Liquidation	CHE-107.114.102	Rheinfelden	16.09.2009	Auditor switch	Sissach