What is geotechnical engineering?


Geotechnical engineering is the application of the sciences of soil and rock mechanics, engineering geology and other related disciplines to civil engineering design and construction, and to the preservation and enhancement of the environment. Geotechnical engineering plays a key role in all civil engineering projects, since all construction is built on or in the ground.

We are a leading group of highly qualified engineers who pool their expertise to provide a comprehensive specialist consulting service in geotechnics.


GCG are an independent company owned by its members,  providing expert advice to a wide range of clients including consultants, contractors, government departments and agencies, private and public companies, legal practices and research organisations.

Who are GCG?

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