YouTube star Mark Upson has signed to social talent management agency Contego 360, joining a roster including George Benson, Sonya Esman and Toby Randall.

Managing Director John Bailey commented 'As a leading social talent management agency, we're committed to working with top-tier and emerging talent. Both the quality and production of Mark's content are extremely high and we're delighted to be working with him. We look forward to taking his career to the next level'.