DAS Certification Limited, the UK Head Office is an agent of SN Registrars (Holdings) Ltd accredited by the United Kingdom Accreditation Service (UKAS), which was formally known as the National Accreditation Council for Certification Bodies. UKAS, acting on behalf of the Secretary of State for Trade and Industry, and in conjunction with the European Cooperation for Accreditation (EA), impose strict rules for registrars; particularly with regard to auditor's competence, independence and impartiality. UKAS regularly visit DAS to satisfy themselves that the rules are being followed.
DAS Certification Singapore Pte Ltd is accredited by Singapore Accreditation Council (for QMS and OSHMS Schemes), which is the National Audthority for the independent accreditation of conformity assessment bodies in Singapore.
There are currently more than 50 International Accreditation Forum (IAF) members representing different countries who have signed the Multilateral Agreement (MLA). Certificates issued by bodies accredited by IAF members are relied upon all over the world because the MLA assure customers that the certificate is credible (refer to http://www.iaf.nu)