About IES

IES
Other
United Kingdom

IES 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. Our technology is supported by integrated consulting services and today its capabilities are expanding from use on individual buildings to helping create sustainable cities.


Uncovering hidden cost, energy and carbon savings, our technology and consulting services support smarter energy-efficient choices across new building investments, building operation and refurbishment of existing buildings. We deliver unique tools and technology to assist regulatory and rating agencies, building owners, facilities managers, sustainability and energy managers, architects and engineers in their objectives.


We invest over ΒΌ of our turnover in R&D to ensure our analytical tools and industry knowledge stays the most pioneering and innovative.