Construction & Geotechnical Testing Services: Site, Field and Laboratory Based Testing for Building, Civil Engineering and Geotechnical Industries in the United Kingdom. Plate Bearing and CBR testing specialists Prompt & reliable UK Nationwide service Same day test reports guaranteed Soil and aggregates and testing UKAS Accredited CHAS Accredited Constructionline Approved Highly responsive Experienced Engineers and Technicians Hixtra is run by people with 30 years of direct testing industry experience, gained in the UK and internationally, servicing the testing needs of the construction, civil engineering and geotechnical industries. We provide a wide range of on-site and laboratory based testing services, supported by an outstanding level of service and a wealth of experience in materials and geotechnical testing.