About IES

Leading global innovator of building performance analysis

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Over 30 Years of Sustainability & Innovation

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

Our Mission: Delivering world leading, physics-based software and solutions that empower designers, engineers and operators to create and maintain energy efficient buildings.

Our Values

IES staff working

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.

Meet the Front-Runners in the Race to Zero Energy 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. Meet the front-runners who are using IES technology to shape the future of sustainable building design and operation, pushing the boundaries of simulation to deliver the high performing buildings of the future.

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Meet our Directors

Christine Mullin

Christine Mullin

CEO

Craig Wheatley

Craig Wheatley

Chief Commercial Officer

Susan Falconer

Susan Falconer

Chief Marketing Officer

Scott Finlayson

Scott Finlayson

Chief Financial Officer

Ruth Kerrigan

Ruth Kerrigan

Chief Operating Officer

Lorna Celnik

Lorna Celnik

HR Director

Sustainability

IES is widely regarded as a world leader in intelligent sustainability solutions for the built environment. As such, we are fully committed to carrying out all reasonably practicable measures to continually improve our own environmental performance and reduce the impact of our operations.

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IES in Action

Check out the latest thoughts, insights and resources from IES. 

World Leaders

Operating in more than 13 countries around the world, across Europe, North America, Asia, Middle East, and Australia, our specialists work with a growing network of partners and associates to deliver truly valuable expertise in building analytics.

Our Locations

Work with us

Interested in joining our team? Visit our Careers pages to browse our current opportunities. 

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Capella Building, 7th Floor, 60 York Street, Glasgow, G2 8JX, UK
Tel: +44 (0) 141 945 8500 Email: enquiries@iesve.com
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