Ashdown Site Investigation Limited is an experienced geotechnical and environmental consultancy.

Our core business is the design and execution of ground investigations and the provision of geotechnical and ground contamination risk assessment reports.

Our geotechnical and environmental consultancy services deliver high quality factual and interpretative reports that provide cost effective and practical engineering advice that can be applied to design, remediation and construction of projects both large and small.

Our consultancy services are fully supported by our experienced teams of field technicians, operating our own drilling rigs, along with in-house laboratory testing facilities.

Latest News

Manchester Office

We are pleased to announce the opening of our new office in Greater Manchester which will enable us to extend our services to the North West and the Midlands.  ... read on >

ISO 9001:2015 and ISO 14001:2015 Accreditation

We have recently received accreditation for our integrated quality and environmental management system in accordance with the latest ISO 9001 and IS14001 standards. read on >

Single Stage WAC Testing

Following updated guidance from the Environment Agency we now offer the single stage Waste Acceptance Criteria test to assist with the classification of waste materials. This single stage test reduces... read on >

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