Legence - Homepage






VIEW OUR COMPANIES
We’re a legion of companies committed to making the spaces we occupy healthier and more sustainable.


Since 1914, our teams have delivered results at the intersection of engineering, technology, and sustainability.
-
ESG / SQ FT
1.5 B+
As an ESG advisor, Legence is maximizing the efficiency of more than 1.5 billion square feet across 5,000+ buildings.
-
NET ZERO / SQ FT
10 M+
Legence has undertaken 10 million square feet of net zero energy design and implemented more than 100 MW of renewable generation
-
COMMUNITY ENGAGEMENT
$ 10 B+
Our community engagement and technical expertise has generated over $10 billion in energy and infrastructure projects.
-
LEED PROJECTS
200+
We’ve completed a broad range of LEED-certified projects for our clients. LEED certifications are among the most respected marks of sustainability a building can earn.
-
CRAFTSPEOPLE
5 K+
Legence is 4,000+ engineers, professionals, and craftspeople strong.
-
OFFICES
50 +
Headquartered in San Jose, CA, Legence operates more than 50 offices across the US.
Uniquely equipped for any challenge.
Legence offers an integrated suite of services designed to drive building performance, decrease costs, and overcome any project challenge.
Uniquely equipped for any challenge.
Legence offers an integrated suite of services designed to drive building performance, decrease costs, and overcome any project challenge.

Leveraging proven experience in ESG, compliance, and climate consulting, Legence equips clients with the strategy and insights they need to implement and deliver upon their sustainability initiatives.
- Sustainability & ESG
- Compliance & Reporting
- Climate & Decarbonization
- Communications & Education

We’re redefining efficiency as a resource—not a result. We have deep experience as a design-build partner for high-performance and net zero energy structures, rethinking efficiency, technology, and infrastructure for cutting-edge projects.
- High Performance & Net Zero Energy Design
- Energy & Building Retrofits
- Building Automation Controls
- Commissioning & Building Optimization
- ENERGY SAVINGS PERFORMANCE CONTRACTS

We help our clients innovate and expand their energy infrastructure to enable the adoption of alternative, renewable, and decentralized energy innovations.
- Solar Photovoltaics
- Geothermal
- Battery Storage
- CHP / Cogeneration
- Microgrids
- ENERGY SAVINGS PERFORMANCE CONTRACTS

Legence is a choice building science and engineering solutions provider. We pair sector expertise with creative ingenuity to lead and deliver design-build projects that meet efficiency goals and protect the wellbeing of occupants.
- Design-Build Construction
- Retro-Commissioning
- Lifecycle Program Management
- ENERGY SAVINGS PERFORMANCE CONTRACTS

We develop and implement strategies to help clients navigate a complex energy marketplace and maximize the benefit of every procurement opportunity.
- Energy Supply

Legence is a trusted mechanical, electrical, and plumbing (MEP) and facilities partner for our clients. We provide integrated facility services to unlock performance and mine efficiency across a building’s systems.
- Facilities Management
- Mechanical, Electrical, and Plumbing
- Controls

With Legence as their financing partner, our clients have more ways to implement difference-making sustainability initiatives.
- Clean Energy Finance
- Energy Savings Performance Contracts
- Energy As A Service (EAAS)
- Power Purchase Agreement (PPA)
Explore our latest thinking.
Legence Acquires A.O. Reed & Co., Expanding Comprehensive Energy Efficiency and Sustainability Solutions For High-Performance Buildings Throughout California

Unambiguous Climate Risk: Building Performance Standards Policies

Navigating Climate Risk Management: Strategies and Steps for Real Estate Organizations

Geothermal Energy Poised to Transform Built-Environment Decarbonization

Fostering the Future: Legence Chief Sustainability Officer, Deb Cloutier, Shares Her Commitment to Improving the Performance of the Built Environment

Black Bear’s Victoria Stulgis Explains Why Solar Profit Is ‘De-Risked’

"Major Property Investors Taking Money Off the Top" - Real Estate Adviser

Black Bear Energy Publishes Inaugural Real Estate Solar Leaderboards

Solar Decathlon: Cementing Foundations in Decarbonization Careers

Legence Acquires Three Western U.S. Firms To Further Expand Its Sustainability Solutions

What to Know About Local Carbon Policies for Commercial Real Estate

World’s first Energy Transition Accelerator™, Legence, creates one of the largest ESG consultancies in North America

ESG at a Tipping Point for Real Estate

Legence Acquires Black Bear Energy, Strengthening Capabilities for Rapid Decarbonization in Buildings

Accelerating Decarbonization: A Q&A With Black Bear's Drew Torbin

Efficiency Consumption: A new sustainability paradigm for a healthier built world.

Legence Introduces New Brand and Announces Two Acquisitions

Curing Hospitals' Addiction to the Fossil Fuels That Make People Sick

From Materiality to Risk Mitigation: ESG at a Tipping Point for Real Estate

Designing for Wellness and Energy Savings

The Coming U.S. Regulatory Oversight of, and Demand for, Climate Disclosure

Laying the Foundation: Carbon Neutrality in Real Estate Investment

Better Climate Challenge Press Release

AMLI 2020 CSR Report

Brandywine CSR Report 2020

9 Reasons Why Good Bond Referendums Fail

Boston Medical Center: Dedicated to Patient and Environmental Wellness
Powered by a family of class-leading providers, working for the greater good.
VIEW OUR COMPANIES-
A.O. Reed & Co.
Mechanical contractor built on excellence, integrity, customer satisfaction, and top-quality expertise. Since 1914, A.O. Reed has built and serviced memorable projects throughout Southern California with cost-effective budgets and exceptional service while maintaining aggressive schedules.
LEARN MORE -
Bel-Aire Mechanical
A sector innovator with 35 years of experience, Bel-Aire Mechanical is Arizona’s largest mechanical and plumbing contractor.
LEARN MORE -
Black Bear Energy
An authority in solar, Black Bear works with property owners looking to develop and implement clean energy infrastructure.
LEARN MORE -
CMTA
Experts in high-performance, sustainable projects, CMTA provides best-in-class consulting engineering and energy performance contracting services to its clients.
LEARN MORE -
Gilbert
Gilbert provides mechanical, electrical, plumbing, controls, and fire protection for a diverse range of clients in the Midwestern US.
LEARN MORE -
ICS
A leader in the construction program management industry, ICS offers customized services that unite all phases of a project’s life cycle—from planning and funding, to construction and ongoing operation support.
LEARN MORE -
Provident Energy Consulting
Leveraging 25+ years of utilities experience, Provident develops innovative energy strategies for clients across the U.S.
LEARN MORE -
RE Tech Advisors
A proven sustainability advisor for the investment community, RE Tech Advisors provides data-driven insight, strategy, and engineering support to design and implement ESG programs.
LEARN MORE -
SC Engineers
Founded in 2004, SC Engineers is an industry leader in mechanical, electrical, and plumbing planning and design, energy efficiency, building automation, and total building commissioning. SC Engineers delivers innovative solutions with a dedicated focus on decarbonization, resulting in highly-efficient facilities.
LEARN MORE -
Therma
A leader in HVAC, fabrication, and building automation, Therma is among California’s most capable full-service mechanical solution providers.
LEARN MORE -
VarcoMac
VarcoMac has been the leading electrical services provider in the Baltimore-Washington Metro Area for 40 years.
LEARN MORE -
Yearout
More than half a century of experience establishes Yearout as the leading full-service mechanical solutions provider in the New Mexico market.
LEARN MORE
Our Clients
We create meaningful outcomes by maximizing efficiency consumption for our clients and the world.
-
Health Center
Lake Superior Community Health Center
ICS / Superior, WI
Our team provided comprehensive planning and project representation services to construct an innovative new clinic facility for the community.
Case Study -
Hospital
Riverview Health Westfield Hospital
CMTA / Westfield, IN
Our team provided design and engineering services to construct a first-to-market, high-performance, geothermal healthcare facility.
Case Study -
HEALTHCARE SYSTEM
Boston Medical Center
CMTA / Boston, MA
Our team delivered on an ambitious 10-year strategy for Boston Medical, resulting in a net zero energy, zero-carbon urban medical center.
Case Study -
CORPORATE HQ
McCormick Spice
CMTA / Hunt Valley, MD
Our team planned, designed, and constructed McCormick’s new high-performance, sustainable corporate headquarters—equipped with CMTA Sphere, a real-time energy dashboard.
Case Study -
EDUCATION
Benjamin Banneker High School
CMTA / Washington, DC
Our team designed and constructed the first net zero energy, LEED Platinum, WELL-certified high school in Washington, DC, building a healthier educational experience for all.
Case Study -
EDUCATION
Santa Clara University
Therma / Santa Clara, CA
Our team provided design-build, HVAC, and process systems expertise, resulting in one of the nation’s largest and most sustainable STEM facilities.
Case Study -
EDUCATION
Brainerd Public Schools
ICS / Brainerd, MN
Our team guided the Brainerd community to reimagine their future, transforming aging facilities into dynamic educational spaces.
Case Study -
CORPORATE
Healthpeak Properties / The Cove at Oyster Point
Therma / South San Francisco, CA
Our team provided design-build and HVAC solutions for a cutting-edge R&D center of biology, life science, and chemistry, maximizing tenant flexibility and accelerating pre-leasing.
Case Study


What you do here will make a difference.
Interested in joining us? Every member of the Legence team plays a key part in creating a more sustainable world. And we have a lot of fun doing it, too.
View Careers Student Jobs