James Gill, CEO, James Taylor, Geoff Wagstaff and two of their staff atf GoSquared, the real -time web analytics start-up they founded as schoolfirends in 2006, all aged 15. Its shared workspace in Clerkenwell, London, is close to the area known as Silicon Roundabout, which is undergoing gentrification as it becomes a centre for web-based companies and IT start-ups.