Legence
Legence (NASDAQ: LGN) is a Blackstone-backed provider of engineering, installation, fabrication, and maintenance services for mission-critical HVAC and MEP building systems, serving data centers, semiconductors, life sciences, healthcare, education, and government clients through 15+ regional sub-brands.
- Company typePublic
- Founded1914
- HeadquartersSan Jose, United States
- Headcount5,001–10,000
- GTM typeB2B
- OfferingServices
What Legence does
Legence (NASDAQ: LGN) is a publicly traded, Blackstone-backed provider of engineering, consulting, installation, fabrication, and maintenance services for mission-critical building systems—principally HVAC, process piping, MEP, and building automation—operating across high-growth sectors including data centers, semiconductors, precision manufacturing, life sciences, healthcare, education, public sector, and commercial real estate. The company's core offering is its proprietary Stackable Solutions™ platform, which combines four solution modules (Engineering & Design, Program & Project Management, Installation & Fabrication, and Maintenance & Service) delivered through a portfolio of 15+ regional sub-brands such as CMTA, A.O. Reed, Therma, The Bowers Group, P2S, SC Engineers, Bel-Aire, Gilbert, and Black Bear Energy. Technical differentiation stems from 6,000+ miles of geothermal well design experience, 1.3 million square feet of modular fabrication capacity, net zero design expertise across 10M+ sq ft with 140+ MW of distributed generation, and energy savings performance contracting capabilities.
The company monetizes through project-based engineering and installation services supplemented by recurring maintenance contracts on its installed base. Pricing is quote-based and varies by scope, sector, and complexity. Legence pursues an enterprise field sales motion targeting technically demanding sectors, supplemented by an aggressive M&A roll-up strategy under Blackstone ownership that has added Bowers ($475M), IMD, AMA Group, Black Bear Energy, and Metrix Engineers to the platform. Customer concentration is high in data centers (approximately 49% of $3.7B+ backlog and ~62% of revenue as of mid-2026), with over 60% of the Nasdaq-100 among its client base. Q1 2026 revenue reached $1.04B (up 105% YoY) on the back of the Bowers acquisition, full-year 2025 revenue was $2.55B (up 21.5%), and FY2026 guidance stands at $4.1-$4.3B with record backlog of $5.4B providing multi-year visibility.
Legence firmographics
Firmographics- Name
- Legence
- Legal name
- Legence Corp.
- Website
- https://wearelegence.com
- Company type
- Public
- Founded year
- 1914
- Operating status
- Ipo
- Headcount range
- 5,001–10,000 employees
- Short description
- Legence (NASDAQ: LGN) is a Blackstone-backed provider of engineering, installation, fabrication, and maintenance services for mission-critical HVAC and MEP building systems, serving data centers, semiconductors, life sciences, healthcare, education, and government clients through 15+ regional sub-brands.
- Ownership category
- akta.pro rank
Where Legence is headquartered
LocationHeadquarters
- HQ city
- San Jose
- HQ country
- United States
- HQ region
- North America
Offices8 records
Markets served
Legence business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Engineering & Design Services: Project-based engineering and design services for HVAC, process piping, and other MEP systems in new and existing buildings. Includes comprehensive planning, energy-saving strategies, and sustainability consulting for mission-critical facilities.
- Installation & Fabrication Services: Project-based revenue from HVAC, electrical, plumbing, process and control system installations, refurbishments and renovations in technically demanding new and existing buildings. Includes modular and prefabrication capabilities.
- Maintenance & Service Contracts: Recurring preventative maintenance, emergency repair, and break-fix services over the life of a building's mechanical systems, including 24/7 emergency service for mission-critical facilities. Provides recurring revenue base across the installed base.
- Energy Procurement & Consulting (Provident Energy Consulting): Fee-based energy consulting services helping clients navigate energy supplier markets for renewable energy, cost stability, and leveraging savings. Includes distributed generation solutions through Black Bear Energy.
- Sustainability & Decarbonization Programs (RE Tech Advisors): Program-based revenue from designing and implementing award-winning sustainability programs that fulfill clients' fiduciary, investment, compliance, and climate objectives. Includes climate risk assessment and disclosure services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Quote-based project pricing for engineering, installation, and maintenance services |
Go-to-market motion3 records
Distribution channels3 records
Marketing channels7 records
Legence product offering
Product offeringCore offering
Legence provides engineering, consulting, installation, fabrication, and maintenance services for mission-critical building systems, including HVAC, electrical, plumbing, process piping, building automation, and modular prefabrication. The company delivers these services through its proprietary Stackable Solutions™ framework and a portfolio of regional operating companies to technically demanding sectors such as data centers, semiconductors, life sciences, healthcare, education, and the public sector.
Product overview
Legence (Nasdaq: LGN) operates as a single unified Building Performance Platform delivered through a portfolio-plus-modules architecture organized around its proprietary "Stackable Solutions™" framework. The platform provides engineering, consulting, installation, and maintenance services for mission-critical building systems, organized into four core solution modules: Engineering & Design, Program & Project Management, Installation & Fabrication, and Maintenance & Service. These solution modules are delivered through a family of acquired specialty sub-brands including CMTA (MEP engineering and energy performance contracting), Therma (HVAC, fabrication, and building automation), A.O. Reed & Co. (Southern California mechanical contracting), Bel-Aire Mechanical (Arizona mechanical and plumbing), SC Engineers (sustainable MEP design), ICS (facility solutions), P2S (consulting engineering and commissioning), RE Tech Advisors (sustainability programs), Black Bear Energy (distributed generation), VarcoMac (electrical services), Yearout Mechanical (New Mexico mechanical), Provident Energy Consulting (energy consulting), IMD (mechanical and electrical construction), The Bowers Group (mission-critical MEP), and San Jose Boilers. Legence is a Blackstone portfolio company serving high-growth, technically demanding sectors including data centers, semiconductors, precision manufacturing, life sciences, healthcare, education, public sector, and commercial real estate, with over 60% of the Nasdaq-100 Index among its clients.
Differentiator
Problem solved
Functional benefit
Brands
- CMTA: Best-in-class MEP engineering and energy performance contracting firm; national leader in geo-exchange and geothermal design.
- A.O. Reed & Co.
- Bel-Aire Mechanical
- SC Engineers
- Therma
- Provident Energy Consulting
- ICS
- Black Bear Energy
- RE Tech Advisors
- P2S
- VarcoMac
- Yearout Mechanical
- Gilbert
- The Bowers Group
- IMD (Innovative Mechanical & Design)
Products and services
- Legence Building Performance Platform Integrated platform providing engineering, consulting, installation, fabrication, and maintenance services for mission-critical building systems, organized around the Stackable Solutions™ framework for data centers, semiconductors, precision manufacturing, life sciences, healthcare, education, public sector, and commercial real estate clients.
- Engineering & Design Comprehensive planning, design, and engineering services for HVAC, process piping, and other MEP systems in new and existing buildings, including advanced design engineering for mission-critical facilities.
- Program & Project Management Customized life-cycle facility solutions encompassing all phases of a building project, including planning, funding, design, construction, and ongoing operations for mission-critical facilities.
- Installation & Fabrication HVAC, electrical, plumbing, process and control system installations, refurbishments, and renovations in technically demanding new and existing buildings, including modular and prefabrication, sheet metal, and specialty fabrication services supported by 1.3 million square feet of modular fabrication capacity.
- Maintenance & Service Preventative maintenance, emergency repair, and break-fix services over the life of a building's mechanical systems, including 24/7 emergency response and mission-critical HVAC and plumbing maintenance for installed facilities.
Quantifiable outcome
- 40% energy reduction and 80% carbon footprint reduction at Louisville Muhammad Ali International Airport with $400,000 in annual heating and cooling cost savings
- +7 more outcomes
Companies that use Legence
Customer profileNamed customers17 records
Segments8 records
Ideal customer profiles7 records
Legence technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Legence partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered flagship, significant, moderate and minor.
- The Bowers GroupflagshipAcquired in January 2026 for approximately $475 million ($325 million upfront cash plus $50 million deferred consideration). Maryland-based mechanical contractor serving Northern Virginia and DC Metro area with over 40 years of expertise. Contributed over $240 million in Q1 2026 revenue and expanded Legence's mechanical fabrication capacity and presence in data centers, healthcare, and life sciences. Now operates as 'The Bowers Group, A Legence Company'.
- Innovative Mechanical & Design (IMD)significantColorado-based mechanical and electrical construction services firm acquired in December 2025. Strengthens Legence's presence in commercial, industrial, and institutional facilities, expanding its Colorado and Fortune 100 client relationships. Now operates as 'IMD, A Legence Company'.
- AMA GroupsignificantNew York City-based engineering services firm acquired in August 2024, marking Legence's first entry into the NYC market. Integrated into CMTA, Legence's largest engineering services portfolio, to enhance building decarbonization and sustainability solutions.
- OCI AssociatesmoderateFlorida-based company acquired in December 2023, expanding Legence's national capacity through additional regional presence.
- Black Bear EnergysignificantAcquired in July 2022 to expand renewable energy procurement services and decarbonization capabilities. Provides customized distributed generation solutions and serves as the industry's client advocate for renewable energy deployment. Now operates as 'Black Bear Energy, A Legence Company'.
- Metrix Engineers LLCmoderateEngineering firm acquired by Legence (referenced in Q4 2025 earnings and earlier 2025 reporting). Completion of Metrix acquisition noted as a driver of Q4 2025 results.
- Kirkland & Ellis LLPmoderateLegal advisor to Blackstone and Legence on the acquisition of AMA Group in August 2024. Represents Legence's relationship with major law firms for M&A transactions.
- AlantramoderateInvestment bank that advised The Bowers Group on its sale to Legence Corp. for approximately $475 million, involving cash, stock, and deferred consideration.
- Eight Quarter AdvisorsminorSell-side transaction advisor for the acquisition of Innovative Mechanical & Design (IMD) by Legence Corp. in December 2025.
Scale indicators15 records
Recent moves8 records
Expansion highlights6 records
Legence competitors and assessment
Company assessmentDirect peers
- Comfort Systems USA: National provider of mechanical contracting services including HVAC, plumbing, and building automation. Closely comparable business model with multi-regional operating company structure and similar end-market exposure.
- EMCOR Group: Largest publicly traded mechanical and electrical construction services provider in the U.S. Direct competitor in MEP engineering, fabrication, installation, and facility services across data centers, healthcare, and industrial end-markets.
- Limbach Holdings: Specialty MEP contractor focused on commercial, healthcare, and data center markets. Highly comparable scale and end-market mix, with similar project-based plus maintenance revenue model.
- API Group: Provider of safety, specialty, and industrial services including HVAC and mechanical services. Comparable diversified services platform with significant U.S. MEP exposure.
- IES Holdings: Electrical and mechanical contractor serving commercial, industrial, and data center customers. Direct competitor for mission-critical MEP work with similar customer profile.
Broad incumbents
- Stantec: Global engineering, consulting, and project management firm with a substantial buildings practice. Comparable on the engineering/design side of Legence's platform, though broader and less specialized in MEP fabrication/installation.
- Tetra Tech: Engineering and consulting firm with high-performance building and sustainability practices. Comparable as a competitor for MEP engineering and decarbonization advisory work, particularly in the public sector.
- WSP Global: Global professional services firm with a large buildings practice including MEP engineering and sustainability consulting. Overlaps with Legence on engineering, decarbonization, and program management services.
Emerging players
- Bowman Consulting Group: Engineering consulting firm with building infrastructure capabilities. Comparable on the design and engineering services component of Legence's platform, with growing MEP exposure.
Others
- Arcosa: Diversified infrastructure products and services company with exposure to construction-related markets. Tangentially related via infrastructure adjacency and construction cycle exposure, though not a direct MEP competitor.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks7 records
Key highlights7 records
Customer concentration
Legence social profiles
Digital presenceLegence financial estimates
Financial estimateRevenue estimate
Valuation estimate
Legence leadership team
Management profileNumber of profiles
Profiles9 records
Legence subsidiaries and ownership
Company hierarchySubsidiaries19 records
Legence funding detail
Funding detailFunding overview
Funding rounds11 records
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Legence M&A and investment
M&A and investmentM&A12 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Legence
What does Legence do?
Legence provides engineering, consulting, installation, fabrication, and maintenance services for mission-critical building systems, including HVAC, electrical, plumbing, process piping, building automation, and modular prefabrication. The company delivers these services through its proprietary Stackable Solutions™ framework and a portfolio of regional operating companies to technically demanding sectors such as data centers, semiconductors, life sciences, healthcare, education, and the public sector.
Is Legence a public or private company?
Legence is a public company. It is classified as public and is currently ipo.
When was Legence founded?
Legence was founded in 1914. It employs 5,001 to 10,000 people.
Where is Legence based?
Legence is headquartered in San Jose, United States, in the North America region.
How does Legence make money?
Five revenue lines are on record. Engineering & Design Services are the primary driver. The others are installation & Fabrication Services, maintenance & Service Contracts, energy Procurement & Consulting (Provident Energy Consulting) and sustainability & Decarbonization Programs (RE Tech Advisors).
Who are Legence's main competitors?
Direct peers on record are Comfort Systems USA, EMCOR Group, Limbach Holdings, API Group and IES Holdings. Broad incumbents are Stantec, Tetra Tech and WSP Global. Bowman Consulting Group is listed as an emerging player. Arcosa is listed as an others.
Does Legence have an API?
No public API is recorded for Legence.