About Us

We Are Legence

Legence is a leading integrated provider of energy efficiency and sustainability solutions for the built environment.

We help clients reduce energy costs and meet decarbonization goals while improving the health and wellness of their buildings.
Our Values


Create a future in which energy-efficient, healthy, and sustainable buildings are the norm, not the exception.


Legence delivers high-performance buildings by leveraging our teams’ integrated approach, technical expertise, and passion for our customers, communities, and colleagues.


Improve the well-being of people and the planet by unlocking the energy efficiency potential of buildings.
Our Impact

We believe every building has the potential to be part of the solution—we are committed to helping our clients unlock that potential.

Deep industry knowledge and technical expertise across advisors, engineers, and skilled craftspeople united under a singular mission.
Legence has designed more than 10 million square feet of net zero buildings and more than 140MW of onsite renewable energy projects.
We’re headquartered in San Jose, CA, but Legence’s reach is nationwide, with more than 70 offices operating across the United States.
Green Certifications
Support from the Legence team has helped guide the completion of over 1,000 certified green building projects, including LEED®, WELL Building Standard®, and Fitwel®.
our solutions

Uniquely equipped for any challenge.

We specialize in helping clients decrease operating costs, reduce carbon emissions, and enhance occupant well-being and productivity. From advisory services and design to construction and ongoing maintenance, we offer a comprehensive suite of Stackable Solutions™ across the entire building lifecycle.

United as Legence, we are a formidable force for large-scale positive impact. We are a team of 5,000+ experienced energy efficiency engineers, sustainability experts,  construction managers, and craftspeople with broad industry knowledge and technical expertise. We envision a future where energy-efficient, healthy, and sustainable buildings are the norm, not the exception.

Jeffrey Sprau
Chief Executive Officer
Energy Transition Accelerator™

As an Energy Transition Accelerator™, Legence transforms buildings to pave the way for a sustainable future—faster. Our long track record of success has earned the trust of some of the world's most influential organizations.

Our transformative approach eliminates conventional industry barriers and positions Legence as an indispensable partner for organizations seeking to achieve their sustainability goals, leading the way to a more sustainable future.
Our Locations

Local approach from coast to coast

We operate over 70 offices across the US, supporting innovation and sustainability nationwide.
map of united states
Learn More

Let's start the conversation.

Legence offers Stackable Solutions™ designed to drive building performance, decrease costs, and overcome any project challenge. Get in touch and let's start the conversation about accelerating the energy transition.
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