Revenue: £45.9m (+3%)
Net profit: 7.8% Staff: 216
Restructuring carried out a year earlier helped this Bedford-based IBM maintenance specialist add over £700,000 to its bottom line on roughly flat revenues in its year to 30 September 2019. Founded in 1987 by its current managing director Brian Meredith, Blue Chip is an IBM Platinum Business partner with a focus on Power and Z Series infrastructure. It claims to manage 10 per cent of the UK's banking traffic.