Riportiamo di seguito i principali Organismi di Certificazione che operano in Italia ed Europa sullo schema di certificazione dello standard ISO/IEC 20000.

Organismi di Certificazione

• BSI Management Systems http://www.bsi-global.com/
• Bureau Veritas Certification Holding SAS  http://www.bureauveritas.com/
• Certification Europe Ltd  http://www.certificationeurope.com/
• CIS Certification & Information Security Services  http://www.cis-cert.com/
• DNV Certification Ltd  http://www.dnv.co.uk/
• DQS GmbH http://www.dqs.de/
• DS Certification http://www.dscert.dk/
• Isoqar Ltd http://www.isoqar.com/
• KEMA Quality BV http://www.kema.com/
• KPMG Audit Plc http://www.kpmg.co.uk/
• LRQA Ltd http://www.lrqa.co.uk/
• SGS United Kingdom Ltd Regno Unito http://www.sgs.com/
• SQS  Svizzera http://www.sqs.ch/
• TUV Nord Cert GmbH ISMS@tuev-nord.de
• TUV SUD Management Service GmbH http://www.tuev-sued.de/