Gridmark Survey offer a comprehensive range of Land Surveying, Site Engineering & Earthworks services. Our knowledge extends to Topographical Surveys, Land Surveys, GIS Mapping, 3D Laser Scanning, UAV Aerial Surveys, 3D modelling for Trimble and Topcon machine control for earthworks, and volumetric calculations. We provide detailed survey plans with data referenced to Ordnance Survey when required, from a member of our fully qualified Land Survey team using advanced high accuracy technology.