Ryser Audit AG - Audit Firms

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Core Company Information

FAOA Information

FAOA ID	505515
RAB Permission	licensed audit expert
FAOA License	active (since 12.06.2024)
Link to FAOA website	View auditor profile at FAOA
Branch offices (0)	-
Membership in Associations	-
Number of auditors with permission	2 (9.00 audit engagements per employee on average)

Auditor Statistics

Average engagement duration: 7.3 years (max.: 18.2 years)

Total number of statutory audit engagements: 18 (Ranked #189 in Switzerland)

Change in number of audit engagements: +5 (since 31.12.2024), +18 (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

Network:

Total number of audit engagements across the network: 32

Latest audit engagements

These are this auditor's latest audit engagements.

Client Name	Client UID	Domicile	Start Date	Type of switch	Auditor Branch
Tractive Group AG	CHE-307.060.683	Baar	19.03.2025	First auditor	Zürich
Greater Zurich Area AG	CHE-101.003.674	Zürich	06.03.2025	Auditor switch	Zürich
Schweizerische Lungenstiftung	CHE-101.876.053	Wald (ZH)	27.02.2025	Auditor switch	Zürich
Swiss Capacity Building Facility - Verein zur Generierung von Arbeit und Einkommen	CHE-416.248.482	Zürich	23.01.2025	Auditor switch	Zürich
Emil Huber-Stockar Stiftung	CHE-110.377.748	Zollikon	20.01.2025	Auditor switch	Zürich

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