31. Logicalis
Key points
Revenue: £116.6m (-24%)
Net profit: -6.5%
Staff: 435
The UK arm of this Cisco, HPE and IBM partner saw losses widen to £7.6m in its year ending 28 February 2017 as it continued to reel from the loss of a key, seven-year Welsh public sector deal. Although revenues are also on the slide, plunging from £204m in 2014 to their current level, the directors said they remain "optimistic about future prospects" as they detailed plans to restructure the firm. Part of South African IT group Datatec, Logicalis turned over $1.6bn globally last year.