[3] He then joined another British Superbike team for the remainder of the 2019 season, starting from the September event at Oulton Park, on the ex-Danny Kent machine, previously an ex-Leon Camier 2016 MV Agusta F4.

Towards the end of 2004, Ellison was asked to race for the WCM MotoGP team after their regular rider, Chris Burns, was injured.

[10] Ellison returned to British Superbikes for 2008, with the Hydrex Bike Animal team[11] He took his first ever BSB podium in race 2 of round 2 at Oulton Park.

At the end of 2009, the title sponsor of GSE Racing, Wrigleys UK, opted not renew their backing of the team.

In 2017, Ellison finished the British Superbike Championship in ninth place, scoring 139 points, winning a race.

During 2018, Ellison rode with Anvil Hire Yamaha, intending to retire from competition at season-end, but signed with Smiths BMW Racing for 2019.

[17] After the Thruxton event in August it was announced they would part ways, after disappointing results with a total score of 23 points.

[3] He then joined another British Superbike team for the remainder of the 2019 season, starting from the September event at Oulton Park, on the ex-Danny Kent machine, previously an ex-Leon Camier 2016 MV Agusta F4.

Kent had been sacked in August, with Gino Rea riding the same machine as a temporary replacement for one meeting at Cadwell Park.