GB Geotechnics is a leading international company in the use of Non Destructive Evaluation (NDE) for the forensic investigation of structures, with over 30 years of experience and cutting edge survey tools including Ground Penetrating Radar (GPR), Infrared Thermography, Ultrasonic and Acoustic Methods. GBG also specializes in Measured Building Survey (MBS), delivering 2D and 3D conventional as-built data by utilizing Computer Aided Design (CAD), Building Information Models (BIM) and Finite Element (FE) modeling. GBG provides information on structural arrangement and condition non invasively with a wide range of deliverables. GBG investigates a wide range of structures from historically significant buildings to small private residences; all of which require expert appraisal and attention to detail when assessing their construction and condition.