Revenue: £136.5m (+8%)
Net profit margin: 1.5% Staff: 605
Former Avaya UK boss Ioan McRae heaped praise on Maintel's ICON cloud and managed services suite as he was announced as outgoing CEO Eddie Buxton's replacement this October. Maintel saw a "significant increase in all its key financial metrics" in its year to 31 December 2018, as revenue rose eight per cent and net profits widened from £1.5m to £2m. Cloud-related revenues generated £20.7m of its £136.5m top line, with managed services chipping in £44m.