There are a wide number of certifications and accreditations used in the outsource call centre industry. These can cover things such as data security or consistency of the quality of operation. The common ones are as follows:
ISO9001: An internationally recognised certification which examines the quality management systems of an outsourced call centres
COPC: COPC is an American organisation which looks at a wide range of quality management systems within an organisation. Its cost and complexity is considered prohibitive to many organisations and is far more common in The United States (and therefore offshore) than in Europe.
ISO27001: Is an internationally recognised certification primarily examining the data security and management within an outsourced call centre. It is considered important by the financial services sector.
PCI DSS (Payment Card Industry Data Security Standard): is the accreditation used to assess the way that payment card information is processed and stored. It is widely used in industries where the contact centre agents need to take payment details such as VISA or Mastercards.
In addition, there are a number of associations who provide their own certifications. These include groups such as The CCMA (Call Centre Managers Associations), DMA (Direct Marketing Association).
Finally, there are a number of certifications provided by Government bodies such as The Data Protection Act, covered by The Information Commissioners Office.