Data sources

The open data GoSavis uses to place addresses and measure distances, and its attributions

Postcodes in Great Britain

GoSavis finds where a postcode in Great Britain is with postcodes.io, which serves postcode data published under the Open Government Licence. We use it to place the addresses businesses save and to estimate the distance of a delivery priced by its distance. The data carries these attributions:

  • Contains Ordnance Survey data © Crown copyright and database right 2025.

  • Contains Royal Mail data © Royal Mail copyright and database right 2025.

  • Contains National Statistics data © Crown copyright and database right 2025.

  • Contains NRS data © Crown copyright and database right 2025.

Maps and addresses

Maps, place search and the location of other addresses use data © OpenStreetMap contributors, available under the Open Database Licence, through OpenStreetMap’s tile services and Nominatim. Maps drawn by Mapbox carry its own attribution on the map.