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Fact Sheet BASILEA Treuhand AG

Core Company Information

FAOA Information

FAOA ID	505108
RAB Permission	licensed audit expert
FAOA License	active (since 01.03.2016)
Link to FAOA website	View auditor profile at FAOA
Branch offices (0)	-
Membership in Associations	-
Number of auditors with permission	1 (11.00 audit engagements per employee on average)

Auditor Statistics

Average engagement duration: 19 years (max.: 31.5 years)

Total number of statutory audit engagements: 11 (Ranked #200 in Switzerland)

Change in number of audit engagements: +4 (since 31.12.2024), +4 (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:

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
Allsped AG	CHE-105.824.440	Basel	26.09.2025	Auditor switch	Basel
Fracht FWO AG	CHE-107.877.795	Basel	26.09.2025	Auditor switch	Basel
Log Connect AG	CHE-112.828.271	Basel	25.09.2025	Auditor switch	Basel
Ditefras Holding AG	CHE-102.499.295	Basel	27.03.2025	Auditor switch	Basel
BMI Building Material Industries AG	CHE-108.703.459	Basel	07.10.2024	Auditor switch	Basel

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
Diener & Diener Architekten AG	CHE-109.564.338	Basel	17.11.2022	Auditor switch	Basel
E-Medicus AG	CHE-113.365.078	Basel	15.02.2022	Auditor switch	Basel
We-Make-iT GmbH	CHE-110.093.564	Reinach (BL)	18.02.2019	Auditor switch	Basel