40SEVEN are one of the UK’s largest surveying companies and with three offices are able to offer genuine nationwide coverage. We are able to offer a wide range of mapping services including Underground Utility Surveys, Topographical Land Surveys, Measured Building Surveys , Aerial photogrametry , Asset data collection and Drainage Condition / CCTV Surveys. We like to think we could be the one source mapping partner you have been searching for! We have over 20 years trading experience and are proud to be members of both The Survey Association and EUROgpr. We also hold all the accreditations you would expect from a larger survey company including Constructionline, CHAS, Achilles UVDB, ISO 9001, 14001 and OHSAS 18001.