Company: LGN
Filing Date: 2025-11-03
Form Type: DRS
Source: 0001193125-25-262782
Chunk: 7

Company: Legence Corp.
Filing Date: 2025-11-03
Form: DRS
Chunk 7
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 are not aware of any misstatements regarding the market, industry or similar data presented herein, such data involves
risks and uncertainties and is subject to change based on various factors, including those discussed under the headings “Cautionary Note Regarding Forward-Looking Statements” and “Risk Factors” in this prospectus.

TRADEMARKS AND TRADE NAMES

This prospectus may also contain trademarks, service marks and trade names of third parties, which are the property of their respective
owners. Our use or display of third parties’ trademarks, service marks, trade names or products in this prospectus is not intended to, and does not imply a relationship with, or endorsement or sponsorship by us. Solely for convenience, the
trademarks, service marks and trade names referred to in this prospectus may appear without the , TM or SM symbols, but such references are not intended to indicate, in any way, that we
will not assert, to the fullest extent under applicable law, our rights or the rights of the applicable licensor to these trademarks, service marks and trade names.

v

Confidential Treatment Requested by Legence Corp.

Pursuant to 17 C.F.R. Section 200.83

PROSPECTUS SUMMARY

This summary highlights information contained elsewhere in this prospectus. Because this is a summary, it may not contain all of the information that may be important to you and to your investment decision. The following summary is qualified in its entirety by the more detailed information and financial statements and notes thereto included elsewhere in this prospectus. You should read the entire prospectus carefully and should consider, among other things, the matters set forth under “Risk Factors” and “Cautionary Note Regarding Forward-Looking Statements” included elsewhere in this prospectus before deciding to invest in our Class A Common Stock.

Unless otherwise indicated, the information presented in this prospectus assumes that the underwriters’ option to purchase additional shares of our Class A Common Stock is not exercised. Certain operational terms used in this prospectus are defined in the section titled “Commonly Used Defined Terms.”

Our Company

We are a leading provider of engineering, installation and maintenance services for mission-critical systems in buildings. We focus on
high-growth sectors that have technically demanding buildings, including technology, life sciences, healthcare and education. We count more than 60% of the companies in the Nasdaq-100 Index as clients.

Our business is growing rapidly as data centers, manufacturers, pharmaceutical companies, hospitals, schools and universities make