Revenue: £81.7m (+24%)
Net profit margin: -27.3% Staff: 469
This London-based AWS, Azure and Google partner claims "unprecedented" demand for cloud adoption is fuelling "hyper-growth" in its top line. Its new holding company, Cloudreach Acquisitions, recorded revenues of £81.7m in the year to 31 July 2018, up nearly a quarter year on year. Net losses widened from £7.2m to £22.3m as soaring administrative costs - stoked by internal investment and an international acquisition drive - pummeled its bottom line.