45. Total Computers

Revenue: £90.6m (+28%)

Staff: 160

Channel entrepreneur and boxxe owner Phil Doye hailed Total Computers' "huge ambition" when he made a minority investment in the Kettering-based IT solutions provider in November 2022. The Microsoft, Dell and Cisco partner saw calendar 2021 revenues bounce by over a quarter to £90.6m as the shift to home working stoked hardware demand. Total added £5m in services revenues in July 2022 when it acquired cloud and digital transformation outfit Overbright.