# Legence

> Legence is North America's largest pure-play building performance platform, providing integrated advisory, engineering, design, fabrication, installation, and maintenance services for high-performance and mission-critical facilities. Formerly Therma Holdings and backed by Blackstone, the company brands itself the world's first Energy Transition Accelerator, helping data centers, healthcare, education, biopharma, semiconductor, and commercial real estate clients cut carbon, lower utility costs, and run buildings more efficiently. Legence went public on Nasdaq under the ticker LGN in September 2025.

- **Founded:** 1967
- **Headquarters:** San Jose, California, United States
- **Founders:** Jeffrey Sprau (Chief Executive Officer)
- **Team size:** Approximately 9,800-10,000 full-time employees
- **Products:** Engineering & Design, Installation & Fabrication, Maintenance & Service, Program & Project Management, Sustainability & ESG Consulting
- **Notable:** Completed IPO on the Nasdaq Global Select Market under ticker LGN in September 2025 at a ~$3.2B valuation., Generated $2.55 billion in revenue for fiscal year 2025., Grew to 10,000+ employees and 70+ offices across 46 states through organic growth and acquisitions.

## Products & services

- **Engineering & Design** — MEP engineering, energy modeling, building information modeling, and design-build services for mission-critical facilities.
- **Installation & Fabrication** — Specialty HVAC, process piping, modular skid, and prefabrication for technology, biopharma, data center, and semiconductor clients.
- **Maintenance & Service** — Preventative maintenance, in-plant services, and ongoing optimization of building systems performance.
- **Program & Project Management** — End-to-end delivery of complex building programs, reducing total project time by up to 20%.
- **Sustainability & ESG Consulting** — Decarbonization strategy, energy performance contracting, LEED certification, and ESG advisory through firms like CMTA and Corporate Sustainability Strategies.

## Achievements

- Completed IPO on the Nasdaq Global Select Market under ticker LGN in September 2025 at a ~$3.2B valuation.
- Generated $2.55 billion in revenue for fiscal year 2025.
- Grew to 10,000+ employees and 70+ offices across 46 states through organic growth and acquisitions.
- Branded itself the world's first Energy Transition Accelerator.
- Counts over 60% of the Nasdaq-100 Index among its clients.

## Latest updates

- **2025-09** — Legence completed its IPO on Nasdaq (LGN), pricing shares at $28 and raising approximately $780.2 million in net proceeds.
- **2024-08** — Acquired New York City-based AMA Group to expand decarbonization and engineering services, tucking it into CMTA.
- **2023-01** — Acquired three Western U.S. firms (SC Engineers, Trinity Process Solutions, KLOK Group) to expand sustainability solutions.
- **2022-06** — Blackstone rebranded Therma Holdings as Legence, the world's first Energy Transition Accelerator.

## Links

- Website: https://www.wearelegence.com
- LinkedIn: https://www.linkedin.com/company/legence
- Twitter/X: https://twitter.com/wearelegence
- YouTube: https://www.youtube.com/@WeAreLegence

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Profile page: https://yespress.io/legence
Published by YesPress — https://yespress.io
Last updated: 2026-06-02