IES is a global climate tech company delivering innovative software solutions and consultancy services to support the creation of high performing and resource efficient buildings. Over the last 30+ years, we have built a solid reputation as the leading global innovator in integrated performance-based analysis and we're now home to the most advanced building physics analytics team in the world. Our physics-based software solutions empower designers, engineers, building owners and operators to deliver more efficient, comfortable and sustainable buildings through design, retrofit and operation.

Our dedicated Research and Innovation team ensures our technology and industry expertise remains best-in-class and at the forefront of innovation. Our Mission: Delivering world leading, physics-based software and solutions that empower designers, engineers and operators to create and maintain energy efficient buildings. Our people are our greatest strength.

IES is powered by a best-in-industry, globally diverse team of building physics specialists, software engineers, and expert consultants whose deep expertise, collaborative mindset, and commitment to sustainability keep us at the forefront of building performance innovation. Together, we deliver dependable, high-quality solutions with impact. Our purpose is to improve the performance of the world’s most energy-intensive buildings, reducing the wasteful use of natural resources and helping to protect life on Earth.

Innovation is at the core of IES. As a global leader in performance-based analysis, we combine deep expertise, advanced technology, and continuous R&D to deliver precise, efficient insights that enable cost-effective, resource-efficient, high-performing buildings. The transition to energy efficient, low carbon buildings isn’t just a goal – it’s a challenge our industry is tackling every single day.