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Fact Sheet May & Partner Treuhand GmbH

Core Company Information

FAOA Information

FAOA ID	500853
RAB Permission	licensed audit expert
FAOA License	cancelled (active from 12.11.2007 until 08.07.2026)
Link to FAOA website	View auditor profile at FAOA
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: -4 (since 31.12.2025), -4 (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
Stiftung Alters- und Pflegeheim Rosenpark	CHE-113.365.635	Gersau	08.08.2018	Auditor switch	Ingenbohl
CONVISA Holding AG	CHE-114.092.925	Schwyz	20.11.2012	Auditor switch	Ingenbohl
Convicta Beratungs AG	CHE-110.365.283	Luzern	02.08.2012	Auditor switch	Ingenbohl
CONVISA AG	CHE-105.740.470	Schwyz	12.04.2012	Auditor switch	Ingenbohl
CONVISA Revisions AG	CHE-113.961.292	Schwyz	12.04.2012	Auditor switch	Ingenbohl

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
CONVISA AG	CHE-105.740.470	Schwyz	01.10.2026	Auditor switch	Ingenbohl
CONVISA Holding AG	CHE-114.092.925	Schwyz	01.10.2026	Auditor switch	Ingenbohl
CONVISA Revisions AG	CHE-113.961.292	Schwyz	01.10.2026	Auditor switch	Ingenbohl
Stiftung Alters- und Pflegeheim Rosenpark	CHE-113.365.635	Gersau	22.01.2026	Auditor switch	Ingenbohl
Camaro Metall AG	CHE-105.398.845	Schwyz	21.09.2023	Opting-out	Ingenbohl