Revenue: £53.1m (+6%)
Net profit margin: 6.3% Staff: 231
Despite admitting that its hardware business "continues to be challenged by new consumption models", the UK arm of this pan-European storage integrator saw revenues rise six per cent in its year to 31 December 2018. Net profits almost doubled to £3.4m. Based in Sweden, the wider Proact Group has endured a mixed 2019, selling off its Spanish arm and posting profit and revenue declines.