Revenue: £44.9m (+6%)
Net profit margin: 0.1% Staff: 123
This Birmingham-based reseller chalked up a six per cent annual revenue hike to investment in its B2B tech marketplace, claiming the number of customers who buy solely online doubled in its year to 31 December 2018. Net profits hit £28,000, compared with a £157,000 loss a year earlier. Probrand claims to have 3,500 public sector and SME clients and in June 2019 bagged a place on three Lots of the new £550m Education Technology Framework.