Barclaycard has launched a joint business venture with outsourcing company Xansa which involved 450 Barclaycard staff transferring to Xansa on 1 February.
Under the deal Xansa is promised a minimum turnover of £125m over five years.
Gary Hoffman, chief executive at Barclaycard, said: "Xansa's expertise in business transformation, exploitation of emerging technologies and the delivery of major strategic programmes brings tangible benefits to Barclaycard and will allow us to respond to the IT requirements of the business with greater speed and agility.
HSBC has signed a three-year contract with systems integrator Dimension Data to supply and manage Cisco technology and services worldwide for the banking giant.
The multi-million pound contract will allow HSBC to work with a single integration partner across 78 countries and territories.
Bruce Watson, executive chairman UK and Europe, Dimension Data, said: "This is a major win for us."
"The creation of a common global infrastructure presents businesses with significant design and operational challenges. We see this latest contract win as an endorsement of our expertise in this area," he added.
Meanwhile, Texas outsourcing giant EDS has just won a three-year contract extension with Girobank, the commercial banking arm of the Alliance & Leicester. EDS will now provide merchant services through to December 2010.