49 Centerprise
Key points
Revenue: £79.6m (+9%)
Net profit margin: 1% Staff: 186
Founded by Rafi Razzak in 1983, Centerprise's brands span an array of fields including system building, reselling, managed services and disaster recovery. Efforts to win new customers in its year to 31 August 2018 yielded a nine per cent revenue hike, but also caused net profits to more than halve to £796,000, a trend the Basingstoke-based firm predicted "will reverse as we continue to build our services revenues".