Revenue: £45.1m (+11%)
Net profit margin: 10% Staff: 29
Founded in 2006, this Crawley-based IT and telecoms reseller group operates through 15 brands including networking and security integrator Vanix, networking arm Mavoda and managed SD-WAN service Red Swan. Vendor partners include Cisco, Silver Peak and Citrix. Having boomed 60 per cent in 2017, Ampito's revenues topped £45m its fiscal year to 31 December 2018 on the back of a further 11 per cent jump. Net profits widened from £4.5m to £4.6m.