This Manchester firm has helped to move the data of 7.4m employees onto the Google Apps range of cloud-based products. Using its CloudMigrator software, it has worked with more than 12,000 companies and public sector bodies in 20 countries. It has also developed CloudManager, which overlays Google Apps with features such as single sign-in, password recovery and contact sharing. Co-founded by chief executive James Doggart, 46, in 2008, the company has customers including the Cabinet Office and Majestic Wine. Sales hit £21.9m in the year to March 2018 and it is targeting growth in the US.