Ordnance Survey - What is the PSMA?

The PSMA is a ten year partnership agreement between Ordnance Survey and DCLG, which started on 1 April 2011.

Becoming a member means that you will be directly responsible for your own usage of OS data, that you will be able to use OS data in maps and publications that relate directly to your core business free of charge, and that you can use OS mapping on your website in interactive maps, or as static plans.

All protected landscapes may join the PSMA by signing up on the OS Website.

Ordnance Survey (OS) provide geographic data under the terms of the agreement. However, set up and usage of the data is not the responsibility of OS - that's where we come in.

Using GIS to manage OS Data

Normally you will need some sort of in-house GIS System to set up and view the map data, and you may also need software to translate the raw data into a GIS usable format.

PSMA Map Layers »


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