GBGS are the UK's largest supplier and installer of high quality, engineered ground screw foundation solutions. We offer an engineered solution, supported by independently verified data. Our highly skilled, accredited teams cover the whole of the UK and Ireland providing quick, clean, environmentally sympathetic and cost effective foundation solutions for projects from garden rooms, offices and annexes to large commercial projects such as clubhouses and classrooms. For lighter weight projects such as decking and summer houses we also offer a full self-installation range of products.