For the fifth year running Accenture have been named best outsourcing provider according to rankings run by the IAOP.

The rankings which detail the top 100 outsourcing providers included Infosys at second place while Wipro, Capgemini, and CSC all featured in the top ten. Rankings for best outsourcing advisor were also released which saw KPMG take the top spot.

The rankings also revealed that the outsourcing market had increased by six percent in 2012 with a average revenue for providers featured in the top 100 growing to $1.6 billion.