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Site investigation
GEO-LOGIC 

Site Investigation & Geotechnical Consultants

Practical site investigation, contaminated land and geotechnical advice

Chartered Engineering Geologists | Based in Wells, Somerset

About Geo-Logic

Geo-Logic Site Investigations is an independent ground investigation and geotechnical consultancy based in Wells, Somerset.

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We work primarily across Somerset, providing practical ground engineering advice to builders, developers, architects, structural engineers and property owners.

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Our services include ground investigation, foundation assessments, contaminated land investigation, subsidence investigations, slope stability assessment, soakaway testing and other geotechnical investigations required for planning and construction.

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With more than 35 years' combined industry experience, our projects are managed by experienced Chartered Engineering Geologists from initial enquiry through to site investigation, interpretation and reporting.

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We aim to provide straightforward, proportionate advice and avoid unnecessary investigation wherever possible.

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Our aim is simple – to do the job well and with minimum fuss

About Us
SERVICES

SITE INVESTIGATIONS

  • Boreholes (window sampling / cable percussive / rotary)

  • Trial pitting

  • CBR testing

  • Soakage testing / infiltration testing / percolation testing

  • Ground gas / groundwater monitoring

Rotary borehole.jpg

GEOTECHNICAL ASSESSMENTS

  • Foundation recommendations

  • Subsidence investigations

  • Earthworks

  • Slope stability

  • Road pavement foundations (CBR)

  • Coal Mining Risk Assessments

Digger by the sea.jpg

CONTAMINATED LAND ASSESSMENTS

  • Phase 1 (desk study) land contamination assessments 

  • Phase 2 site investigations

  • Risk assessments (human health / groundwater / ground gas)

  • Remedial options / strategies

Mining Plant

GET IN TOUCH

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We are always happy to provide upfront advice or discuss your specific requirements for a project.

Call us or send us an email and we will get straight back to you.

​Email: info@geo-si.co.uk

Office telephone: 01749 705010

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​Or find us here -

10 Wells Enterprise Centre, Cathedral Avenue, Wells, Somerset, BA5 1JJ

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GEO-LOGIC SITE INVESTIGATIONS LTD (GEO-LOGIC) ©2026

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