In Situ Site Investigation Ltd

In Situ Site Investigation is a specialist geotechnical and geo-environmental company based in St Leonards-on-Sea, East Sussex. Established in 2008, it provides technical site investigation services across the UK and internationally, with a strong focus on Cone Penetration Testing and pressuremeter testing.

Its CPT capability includes seismic, shear vane, video cone, magnetometer, MiHpt and MOSTAP sampling techniques. The pressuremeter service covers self-boring pressuremeters, high-pressure dilatometers, Ménard pressuremeter tests and cone pressuremeter work. The company also offers marine, rail, environmental, restricted-access, tailings-storage and additional testing services, alongside consultancy, research and development, petrography, and sample and core logging.

A varied fleet of wheeled, tracked and mobile-ram CPT rigs allows the team to work in demanding locations such as railways, marine settings, brownfield land and basements. Specialist equipment, trained field staff and detailed reporting are combined to produce project-specific data for clients who need dependable information about ground conditions and geotechnical performance.

The company supports a broad professional audience, including geotechnical and geo-environmental specialists, engineers, developers, contractors and infrastructure teams. Its approach is practical and collaborative, with an emphasis on accurate fieldwork, suitable equipment, responsive communication and reporting tailored to each project’s requirements.