Ordnance Survey create, maintain, and provide access to consistent, definitive and authoritative location data of Great Britain. With over 40 million addresses in Britain, Ordnance Survey holds the most authoritative detail on where each is located.
Our data is trusted by more than 5,000 organisations to support policy and the delivery of public services at every level of government. From the Ministry of Housing, Communities & Local Government, where we provide essential location data that helps monitor the development of new housing, to emergency services, where our data is used to better coordinate planning for and responding to unexpected events.
Our expertise helps organisations to maximise the use, value, and benefit of the data for the national interest and the public good.