IES was founded 20 years ago and is headquartered in Glasgow. It is recognised as a world leader in 3D performance analysis software that is used to design tens of thousands of energy efficient buildings across the globe. IES’ technology is supported by integrated consulting services and today its capabilities are expanding from use on individual buildings to helping create sustainable cities. The company is leading the way with its BIM for Analysis solutions, which promote an integrated design process throughout the entire life of a building. Our technology and consulting services uncover hidden cost, energy and carbon savings that support smarter energy-efficient choices across new building investments, building operation and refurbishment of existing buildings.