In 2007 he gained his first ride in British Superbikes, riding a Stobart Vent-Axia Honda; Sykes finished in sixth position in the championship in his rookie year. Following this success he was signed by the Rizla Suzuki team for the 2008 season; he went on to finish 4th in the championship as well as making wildcard World Superbike appearances at Brands Hatch & Donington Park, where he impressed strongly, helping him gain a World Superbike ride at Yamaha Motor Italia for the 2009 season. For 2010 he raced a PBM Racing Kawasaki in the series. He won his first SBK title in 2013 for Kawasaki.