Robertson Geo pioneered the development of slim-hole, digital borehole logging systems and techniques. Now, as the largest global supplier of wireline conveyed, slim-hole logging equipment, it provides geophysical logging instrumentation and onsite logging services to every continent. Over 40 years, it has acquired extensive field experience in the geotechnical, mining, water, environmental, renewables and hydrocarbon sectors. Robertson Geo is the only ISO certified logging services provider, the only company which calibrates all of its logging systems, and is fully licensed to handle nuclear logging tools. The company is headquartered in North Wales (UK) and the site houses the design, development and main assembly capability. In addition, on-site test facilities include a borehole, calibration blocks, ovens and autoclaves, for full testing and calibration of geophysical probes and surface equipment. Our Service Division provides subsurface borehole logging, offering a wide range of geophysical probes and surface equipment, including winches, optical and acoustic televiewers, borehole inspection cameras, PS Logger and Elastmeter pressure tools. We operate on major infrastructure projects in UK and overseas, utilising a fleet of customised logging vehicles for all site conditions. Our service engineers are highly experienced, fully HSE trained and with wide ranging site investigation exposure across key sectors.