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OGI has more than 25 years of experience in providing groundwater related services to clients and contractors in the United Kingdom. We supply specialist design and consultancy for some of the most challenging natural ground conditions encountered by the construction industry.


Our solutions are delivered using unique specialist design techniques and in-house developed software. The solutions are implemented by an experienced field team within a tight and appropriate Health and Safety framework.


The principle areas of OGI’s work are in the field of Construction Dewatering, Geotechnical Design Services, Computer Modelling and Ground Source Energy.


For more on our services please click on the following links:

Construction Dewatering

1Dewatering is necessary where the water table is encountered above or close to the level of the base of an excavation.


OGI design cost effective dewatering and pressure relief systems in even the most challenging of conditions.

Construction Dewatering

Geotechnical Design Services

2OGI designs safe and stable steep embankments for deep excavations, even in wet and weak ground conditions, as an alternative to expensive retaining wall structures.

Geotechnical Design

Computing Modelling

3OGI can model the behavior of groundwater and its implications for the stability of the ground for any practical excavation scenario.

Computer Modelling

Ground Source Energy

4OGI’s expertise in computer modelling has allowed us to diversify and offer numerous design services associated with ground source energy.

Services include thermal resource assessments, providing ground source heat pump performance specifications, as well as road energy systems.

Ground Source Energy