T&A Survey is an experienced, independent and technologically advanced subsurface research company specialised in subsurface research, geothermal energy and mining. To obtain the best measuring results, T&A develops geophysical hardware and software, including the patented 3D Borehole Radar technique. T&A Survey BV is specialized in environmental, geological and explosives subsurface investigation and in underground energy systems & mining. T&A was founded in 1992 and is located in Amsterdam, the Netherlands. Our Team T&A employs more than thirty highly qualified researchers operating in different fields of expertise: geologists, geophysicians, physical geographers, UXO experts, historians, project managers and installation advisors. Combining their extensive theoretical knowledge and practical experience, we can always ensure optimum performance. Among its customers, T&A can name all major engineering offices, building contractors, oil and gas companies, as well as regional and national authorities of the Netherlands.