
The new contract, believed to be worth an eight-figure sum, extends to December 2015.
Communisis has supplied Barclays since 2002. It offers a combination of integrated marketing technologies, campaign management expertise and multi-channel delivery.
Andy Blundell, chief executive of Communisis, said: "This is a significant contract renewal for us and we look forward to continuing our work with Barclays, offering innovative solutions which add value."