This is all true but it's worth bearing in mind that OS recently made a lot of its mapping data open: https://www.ordnancesurvey.co.uk/business-government/tools

This is all true but it's worth bearing in mind that OS recently made a lot of its mapping data open: https://www.ordnancesurvey.co.uk/business-government/tools-support/open-data-support https://www.ordnancesurvey.co.uk/business-government/tools-s.... If you ask me it's probably because their expensive licencing was causing businesses to switch to open alternatives like OSM where possible. My company is generally working towards the latter for this reason as well as the fact that it's a global dataset.