Sky Mobile is the UK’s mobile network that puts customers in control. They can roll over all their unused data, swap their phone each year, and tailor their plan whenever they like. Sky Mobile rolls any data you have leftover at the end of the month into your Sky Piggybank. It’s yours to keep for 3 years to use when you need it most, or you can exchange it for a range of discounts on phones, tablets and accessories. Mix your plan whenever you like, so you only pay for what you need. And enjoy Unlimited Streaming on all Sky apps, like Sky Go, Sky Sports and more on the go, without using your data. Sky Mobile UK is a British telecommunications company which serves the United Kingdom owned by Comcast, an American telecommunications conglomerate.