55. Vohkus - £37.4m

Sales were up 11.2 per cent in FY12 for this VAR, allowing it to move up a handful of places on this year’s list. The company’s chief vendor partner is HP and it holds Gold partner status, as well as eight specialist badges focused on PCs, workstations, client virtualisation, converged infrastructure, imaging and printing, networking, storage and services. Other partners include Oracle, Dell, Lenovo and Microsoft.