All Building, Bridge and Rail Asset Investigations catered for across the UK, carried out by NDT & PTSI fully trained engineers, backed by UKAS and RISQS. Get Live Site Data as engineers carry out the program of works and get access to the HTA's Multiple Teams who bring vital experience & flexibility to the Structural & Building Investigation world. Introducers of the latest technology from around the globe to the UK and a focus on continual improvements that ensure our clients can make decisions quickly and with confidence ensure that HTA never take their foot off the pedal of improvement.