OS MasterMap - Reliable spatial intelligence

In a world of accelerating change, OS MasterMap is a benchmark of dependability and precision. It is at the cutting edge of intelligent, location-based data and represents over 200 years of achievement from Ordnance Survey.

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What our customers say

" No other mapping to my knowledge can give us the level of detail and quality of information that we need. As a result, the quality of the mapping is so much better than that of our competition and our customers are more than happy." - Exactrak

"OS MasterMap is now critical to our services and underpins everything we do" - Hamsphire County Council