Lewis-Potter made his senior debut for Hull City in January 2019 when he came on as a substitute in an FA Cup match against Millwall.[3] In March 2019, Lewis-Potter went on loan to Bradford (Park Avenue) for the remainder of the 2018–19 season.[4]
On 9 November 2019, Lewis-Potter made his league debut for Hull City when he came on as an 89th-minute substitute for Leonardo Lopes in the 1–0 home loss to West Bromwich Albion.[5] On 30 November 2019, he came on as a substitute for Callum Elder and scored the only Hull goal and his first professional goal in a 3–1 defeat to Barnsley.[6]
On 18 January 2021, Lewis-Potter signed a new contract with Hull City until summer 2023.[7]
On 3 May 2022, Lewis-Potter was awarded three player of the season awards for Hull City; the players player of the season, fans player of the season and the player of the season chosen by Hull City manager Shota Arveladze.[8]
Brentford
On 12 July 2022, Premier League club Brentford announced the signing of Lewis-Potter on a six-year contract, for an undisclosed fee.[9][10]
Lewis-Potter scored his first premier league goal for Brentford at home against Aston Villa on 17 December 2023.[11]