The new British Airways direct flight between San Jose and London means that Silicon Valley and the Silicon Roundabout are closer than ever, with a fresh influx of business travellers arriving to these tech hotspots every day. Once the meetings are done though, what happens next? Consider this your ultimate guide for things to do in London, whether you’re in town for a week, a few days or a quick 24 hours, with recommendations and suggestions from local entrepreneurs sprinkled throughout.