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.

[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.

[8] 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] In March 2022, Lewis-Potter received a first international call-up to the England under-21 squad for the upcoming 2023 UEFA European Under-21 Championship qualification fixtures.