Ground Investigation

IGSL has the capability to deliver a wide spectrum geotechnical site investigation projects (up to 3M Euro). Our most recent projects include Regeneron Limerick, Dun Laoghaire Harbour Re-development, Department of Education Schools Bundle, Gaeltec Electricity Pylons, Raragh Wind Farm & Earthworks CQA Alexion College Park and Grifols City West.

Geotechnical Consultancy

IGSL provides advice and consultancy services on slopes, retaining walls, earthworks, foundations, subsidence, pyrite induced heave and aggregate quality.

Laboratory Testing

In-house INAB accredited laboratory to perform testing on soils, rocks, aggregates and concrete.

Pyrite Analysis

Wide experience in sampling and analysis of hardcore under concrete floor slabs to assess pyrite induced swelling and heave.

Welcome to IGSL

IGSL is one of Ireland’s leading ground investigation and geotechnical companies. For over 30 years, we have delivered high quality services in ground investigation, geotechnical laboratory testing and consultancy services to the construction and civil engineering industry.

Our aim is to provide independent advice and promote practical and cost effective solutions to meet our clients needs.

Our directors are well established in the geotechnical industry and a key to our success is the quality of our engineers and technicians.

We invest heavily in training and development and have established strong links with leading third level institutions (UCD, Carlow IT & University of Portsmouth).

Our laboratories in Naas perform testing and analysis of soils, rocks, aggregates, concrete and bituminous materials. Our materials laboratory has attained INAB accreditation for a range of tests.

In addition, we provide specialist testing for suspected pyrite in underfloor fill material and sulfate attack on concrete.

  • Sean Moloney
    "IGSL has provided high quality geotechnical investigation and consultancy services to PM Cork and Dublin offices on several projects over the last 10 years. PM has found IGSL to be very professional and reliable in terms of geotechnical advice and in proposing innovative and cost effective ground engineering solutions on challenging sites. IGSL provide competitive rates and well presented factual and interpretative geotechnical reports. PM has also found IGSL to be very flexible and responsive to the needs of their clients and they deliver work to tight schedules."
  • Brian Byrne
    "The Institute of Technology Carlow and IGSL have been involved in engineering research in a variety of areas in recent years. This includes soil stabilization, piling, geotechnical instrumentation and behaviour of aggregates containing pyrite. IGSL staff and directors bring practical skills built on years of experience, a thoroughness to work detail and an enthuasism to explore geotechnics "
  • Henry Scanlon
    "John Paul Construction and IGSL have a long standing working relationship. IGSL provides extensive geotechnical services to John Paul on building and civil engineering projects in Ireland. The services consist of geotechnical advice at pre-tender stage with follow on advice and support including temporary works, earthworks and materials laboratory testing. IGSL offers a quality service including innovation and commercial awareness with respect to geotechnical investigation, design and testing"