Chargemaster Limited is a supplier of charging infrastructure for electric vehicles, based in Milton Keynes, England. It provides charging units for home, business and public use, and operates its own electric vehicle public charging network, which is the largest network in the United Kingdom.

The adoption of plug-in electric vehicles in the United Kingdom is actively supported by the British government through the plug-in car and van grants schemes and other incentives. About 745,000 light-duty plug-in electric vehicles had been registered in the UK up until December 2021, consisting of 395,000 all-electric vehicles and 350,000 plug-in hybrids. Until 2019, the UK had the second largest European stock of light-duty plug-in vehicles in use after Norway.