Cooper played for London Bees during the 2016 FA WSL season. Playing primarily as a centreback defender, she scored 1 goal in her 11 appearances for the club.[1] During the first round of the 2016 FA WSL Cup, she scored an equaliser against former champions Chelsea which resulted in a penalty shootout and win for the Bees.[2][3]
Chelsea
Cooper signed with Chelsea in February 2017.[1] Of her signing, she said, "It is a dream of mine to join a pro club so to be here is an amazing feeling. I have worked my way through the ranks and am delighted to have done enough to earn a contract with Chelsea."[1] Cooper was a starting defender in 8 of the 11 matches in the FA WSL Spring Series, helping the team win with a 6–1–1 record.[4]
Ahead of the 2017–18 season, she experienced an ACL injury.[4] In March 2018, she signed a two-year extension with Chelsea.[5]
Reading
On 17 July 2020, Reading announced the signing of Cooper.[6] On 7 July 2022, Reading announced that Cooper had signed a new two-year contract with the club.[7]
Newcastle United
On 5 July 2024, Newcastle United announced the signing of Cooper upon the expiration of her contract at Reading.[8]