The Survey Association (TSA) is the trade body representing the UK’s surveying fraternity. Formed in 1979, the current membership stands at over 130 companies from a variety of disciplines. In addition to commercial surveying companies and manufacturers, Ordnance Survey and English Heritage are also in membership as are two of the country’s senior universities. TSA is run by an elected Council and a full time Secretariat based in Newark on Trent. TSA liaises regularly with leading industry bodies such as RICS, ICES, CECA, UKCG to name but a few. More information and free downloadable technical guidance notes are available on the website.