GL Garrad Hassan is one of the world’s largest dedicated renewable energy consultancy and a recognized technical authority on the subject. It offers independent technical and engineering services, products, and training courses to the solar sector, as well as the onshore and offshore wind, wave, and tidal sectors. Although the GL Garrad Hassan name is new, the company has a rich heritage. It’s borne of the integration of specialist companies that, united, form the renewable energy consulting division of the GL Group. GL Garrad Hassan is a consulting company, it has no equity stake in any device or project. This rule of operation is central to its philosophy, something that sets it apart from many of its competitors.