Ellis started playing badminton aged seven when his father took him to the Colne Valley Leisure Centre in Slaithwaite.

[5] He attended high school with Alex Smithies, now the goalkeeper for Huddersfield Town Football Club.

22 in the world, but they managed to win a bronze, the first medal in badminton men's doubles won by a British team at the Olympics.

[14] In 2017, he won his first Grand Prix tournament title at the Dutch Open in the mixed doubles event with Lauren Smith.

[17][18][19] At the 2018 European Championships held in Huelva, Spain, he finished in the semi-final, and settled for a bronze medal in the mixed doubles event with Smith after lose a match to Danish pair Mathias Christiansen and Christinna Pedersen in the rubber games.

[21] In the men's doubles, Ellis and Langridge managed to claim the gold medal after beat the top seeds from Denmark Kim Astrup and Anders Skaarup Rasmussen in straight games 21–17, 21–10.

[27] In 2022, Ellis competed at the Commonwealth Games in Birmingham, England as mixed doubles second seed with his partner Lauren Smith.

They progressed to the final, but lost to third seeded from Singapore Terry Hee and Jessica Tan, settled for the silver medal.