[1][2] He was included in England squad for the 2021 Six Nations Under 20s Championship in Cardiff but was not used in any of their five matches in a Grand Slam-winning campaign.
[7] On 17 October 2022, Atkinson signed for local rivals Gloucester ahead of the 2022–23 season, following his Worcester exit.
[8] Atkinson made his Cherry & White debut in a 38–31 victory against Bristol Bears in the Premiership Rugby Cup, scoring a brilliant solo try in the process.
[9] With a number of notable performances in the Premiership Rugby Cup, Atkinson has since become regular component of the Cherry & White midfield this season, with many appearances to his name across all competitions.
[10] On 30 March 2023, Atkinson signed a new deal to stay at Kingsholm, thus promoted to the senior squad ahead of the 2023–24 season.