Wind farm design and construction requires specific skills, particularly in the geotechnical design aspects. In this regard, GDG is well placed to provide optimum design solutions for both onshore and offshore wind energy projects. GDG has been involved in cutting edge research, focusing on design optimisation and in-situ monitoring of wind turbine foundations and use these skills to develop the most efficient and reliable foundation solutions for a specific site. These unique skills place GDG in and ideal position to provide geotechnical advice and consultancy services to the renewable energy sector.