The 2004–05 season was Ulster Rugby's tenth under professionalism, and their first under head coach Mark McCall. They competed in the Heineken Cup, the Celtic League and the Celtic Cup. Former head coach Alan Solomons and forwards coach Adrian Kennedy left at the end of the previous season to join Northampton Saints. Backs coach Mark McCall was named as the new head coach, with Allen Clarke as his assistant. Maurice Field replaced Clarke as head of the academy.