Audit Firms

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Core Company Information

Company Name	Trefida Révision SA en liquidation
UID	CHE-102.147.844
Alternative / previous Names	Trefida Révision SA
Domicile	Sion
Canton	VS
Legal Form	Limited corporation
Firm Inscription Date	30.08.1993
Firm Deletion Date	10.09.2014

FAOA Information

FAOA ID	500965
RAB Permission	licensed audit expert
FAOA License	cancelled (active from 24.01.2008 until 13.10.2009)
Link to FAOA website	View auditor profile at FAOA
Branch offices (0)	Trefida Révision SA, Succursale di Lugano (CHE-312.495.319) in Lugano (TI) Trefida Révision SA (CHE-212.931.567) in Zürich (ZH)
Membership in Associations	EXPERTsuisse
Number of auditors with permission	-

Auditor Statistics

Average engagement duration: 22 years (max.: 22 years)

Total number of statutory audit engagements: 1 (Ranked #207 in Switzerland)

Change in number of audit engagements: - (since 31.12.2023), - (over the last 12 months)

Details regarding the distribution of the audit engagements across legal forms and cantons are depicted in the table below.

	Wallis	∑
Limited corporation	1	1
∑	1	1

This audit firm is recorded as statutory auditor for 15 deleted entities. These are not included in the table above.

Audit Engagements by Branch Office

The 1 statutory audits are performed by the branch offices as indicated in the table below.

	Wallis	∑
Sion	1	1
∑	1	1

Show client list for Sion.

Related audit firms

Direct personal relationship:

Further connections:

Continental Revision und Treuhand AG in Liquidation (CHE-102.133.983), 0 audit engagements
LLK Revision AG in Liquidation (CHE-105.423.182), 0 audit engagements
Ostschweizerische Treuhandgesellschaft Herisau AG in Liquidation (CHE-106.003.807), 0 audit engagements
BDO Sofirom SA (CHE-106.015.064), 0 audit engagements
Hans Wacker AG in Liquidation (CHE-107.133.022), 0 audit engagements
Trachsler Treuhand AG in Liquidation (CHE-107.156.589), 1 audit engagements
Urs Marty Treuhand AG in Liquidation (CHE-108.334.758), 0 audit engagements

Latest audit engagements

These are this auditor's latest audit engagements.

Client Name	Client UID	Domicile	Start Date	Type of switch	Auditor Branch
SAE Services Ardon SA en liquidation	CHE-113.994.825	Ardon	28.12.2007	First auditor	Sion
Sephirus Holding SA	CHE-113.691.483	Lugano	25.06.2007	First auditor	Lugano
Alifax International SA in liquidazione	CHE-113.318.340	Lugano	19.12.2006	First auditor	Lugano
Commovol SA	CHE-102.801.106	Lugano	19.07.2006	Auditor switch	Lugano
Hotel International au Lac SA	CHE-102.222.807	Lugano	17.05.2006	Auditor switch	Lugano

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
Forclaz Antiquités SA en liquidation	CHE-107.551.230	Grône	06.01.2012	Opting-out	Sion
Eurisys Architectes SA	CHE-108.405.536	Ardon	08.11.2011	Opting-out	Sion
Y-G R. Finance-Gestion-Participations SA	CHE-101.625.829	Ardon	08.11.2011	Opting-out	Sion
THAI DEVELOPMENT SA	CHE-109.472.883	Vandoeuvres	01.04.2011	Auditor switch	Sion
Société anonyme d'Electricité d'Ardon	CHE-107.018.786	Ardon	15.02.2011	Auditor switch	Sion