Intersoil

Intersoil is an independent geotechnical and environmental consultancy established in 2004, based in Newcastle upon Tyne and working across England and Scotland. Its work centres on understanding ground conditions, contamination risks and the practical requirements of development projects.

Services include desk studies and risk assessments, conceptual models, contamination assessments and geotechnical investigations. The company also undertakes mini-rig and cable-percussion boreholes, rotary boreholes and coring, trial pits, hand-dug excavations, soil sampling, soakaway and percolation tests, geophysics, groundwater sampling and analysis, and soil-gas and volatile monitoring.

Further support covers remediation strategies, mining assessments, groundworks improvement design, validation and inspection services, and expert witness work. Intersoil’s published material shows particular relevance to planning conditions, property due diligence, construction and environmental assessment, with advice provided to planners, architects, surveyors, civil and structural engineers and property professionals.

The consultancy works on both small and large projects and also undertakes work for building contractors and members of the public. Its published client experience includes commercial, retail, residential, agricultural and public-sector contexts, with examples including Rolls-Royce, Northumberland County Council, Sunderland Metropolitan Borough Council and other property and development organisations.