[1] Until recently, he played as a hooker for Hawke's Bay in New Zealand's domestic National Provincial Championship competition[2] and for the Chiefs in Super Rugby.
He captained his team to a Hurricanes Cup 1st XV title, beating the defending champions Hastings Boys' High School 20 - 10 at McLean Park, Napier on 1 September 2018.
[5] Eight days later, they played in the National Top 4 Final, which Napier Boys' narrowly lost 28 - 31 to St Peter's College, Auckland.
[21] On 31 October 2024, NRL team Newcastle Knights announced the signing of Thompson on a National Rugby League Development contract.
[24] A year later, both Thompson and his twin brother Leo - who are of Ngāi Tāmanuhiri and Ngāti Rangiwewehi descent - were selected to play for the first ever New Zealand Māori Under 20 team in a match against Fiji.
[31][32] On 26 October 2022, after an outstanding NPC season playing for Hawke's Bay, Thompson was called into the All Blacks XV squad that was named earlier that month for two matches against Ireland A and the Barbarians during their Northern Tour.