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Landmark Geodata 


Landmark Geodata, part of Landmark Information, provides digital mapping, site-specific environmental risk information and consultancy to the property industry.  We are the leading licensed partner of Ordnance Survey® and also maintain the UK’s largest collection of historical maps dating back to the 1840s. Our flagship data solutions - Promap and Envirocheck – with over 20,000 users, provides vital intelligence to architects, surveyors, planners, environmental professionals, real estate lawyers and developers. 

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