Legence Corp. Files S-1/A for IPO, Citing Strong Growth & $2.8B Backlog

TL;DR

**LGN's IPO is a solid bet on critical infrastructure and sustainability, but Blackstone's control is a yellow flag.**

AI Summary

Legence Corp. (LGN) is launching its initial public offering of Class A common stock, focusing on engineering, installation, and maintenance services for mission-critical building systems. The company reported a robust revenue compound annual growth rate of approximately 39% from 2021 to 2024, or 16% after pro forma effect to acquisitions. In 2024, over half of its revenues stemmed from high-growth industries like data centers, technology, life sciences, and healthcare. As of June 30, 2025, Legence boasted a backlog and awarded contracts totaling $2.8 billion, a 29% increase year-over-year. The company generated 32.5% of its 2024 revenues from new building projects and 67.5% from retrofits, upgrades, and maintenance. Its Engineering & Consulting segment saw an 83% CAGR from 2021 to 2024, or 15% pro forma for acquisitions, contributing 28.7% and 47.6% of total revenues in unspecified periods. Blackstone Inc. will beneficially own approximately % of the combined voting power post-IPO, making Legence a "controlled company" under Nasdaq rules. Key risks include reliance on a limited number of large projects and the competitive nature of the MEP services market.

Why It Matters

Legence's IPO offers investors exposure to the growing demand for energy-efficient and sustainable building infrastructure, particularly in high-growth sectors like data centers and life sciences. The company's significant backlog of $2.8 billion as of June 30, 2025, indicates strong future revenue potential, which could attract institutional investors. However, the 'controlled company' status due to Blackstone's substantial ownership (approximately % of voting power) might raise governance concerns for some. The competitive landscape for MEP services means Legence must continually innovate and maintain its technical expertise to sustain its 39% revenue CAGR.

Risk Assessment

Risk Level: medium — The S-1/A filing indicates a medium risk level due to the company's status as a 'controlled company' with Blackstone Inc. beneficially owning approximately % of the combined voting power, which could impact minority shareholder influence. Additionally, the prospectus highlights risks associated with a significant portion of revenue coming from a limited number of large projects, making the company susceptible to project delays or cancellations, as detailed in the 'Risk Factors' section starting on page 23.

Analyst Insight

Investors should closely evaluate Legence's growth trajectory in its high-growth segments and its ability to convert its $2.8 billion backlog into profitable revenue. Given the 'controlled company' status, potential investors should scrutinize the terms of the Tax Receivable Agreement and any related party transactions to understand their implications for future profitability and shareholder value.

Financial Highlights

debt To Equity

Not disclosed

revenue

Not disclosed

operating Margin

Not disclosed

total Assets

Not disclosed

total Debt

Not disclosed

net Income

Not disclosed

eps

Not disclosed

gross Margin

Not disclosed

cash Position

Not disclosed

revenue Growth

+39% (2021-2024, unadjusted)

Revenue Breakdown

Executive Compensation

Key Numbers

• $2.8B — Backlog and awarded contracts (Increased 29% over the same date last year as of June 30, 2025)
• 39% — Revenue CAGR (From 2021 to 2024, or 16% after pro forma effect to acquisitions)
• 32.5% — Revenue from new building projects (Generated in 2024)
• 67.5% — Revenue from retrofits, upgrades, and maintenance (Generated in 2024)
• 83% — Engineering & Consulting segment revenue CAGR (From 2021 to 2024, or 15% after pro forma effect to acquisitions)
• 50,000+ — Jobs completed annually (For clients across the United States from 2021 through 2024)
• 1,200 — MEP engineers and energy consultants (Part of Legence's team)
• 3,400 — HVAC and plumbing service technicians (Part of Legence's team)
• 5,900+ — Clients receiving maintenance services (Served by approximately 570 technicians)
• 60% — Nasdaq-100 Index companies (Counted as Legence clients)

Key Players & Entities

• Legence Corp. (company) — Registrant for S-1/A IPO
• Blackstone Inc. (company) — Investment fund manager and beneficial owner of Legence
• Jeffrey Sprau (person) — Chief Executive Officer of Legence Corp.
• Nasdaq Stock Market LLC (regulator) — Intended listing exchange for LGN Class A common stock
• U.S. Securities and Exchange Commission (regulator) — Regulatory body for S-1/A filing
• Goldman Sachs & Co. LLC (company) — Joint Lead Book-Running Manager for the IPO
• Jefferies (company) — Joint Lead Book-Running Manager for the IPO
• Kirkland & Ellis LLP (company) — Legal counsel for Legence Corp.
• Davis Polk & Wardwell LLP (company) — Legal counsel for Legence Corp.
• $2.8 billion (dollar_amount) — Backlog and awarded contracts as of June 30, 2025

FAQ

Risk Factors

• Dependence on Large Projects [high — market]: A significant portion of revenue may come from a limited number of large projects. The loss or delay of any of these projects could materially impact financial results.
• Intense Competition [medium — market]: The MEP services market is highly competitive, with numerous established players and new entrants. Legence faces competition from companies with greater resources and longer operating histories.
• Integration of Acquisitions [medium — operational]: The company has grown through acquisitions, and its future growth depends on successfully integrating acquired businesses. Failure to integrate effectively could disrupt operations and hinder growth.
• Reliance on Key Customers [medium — financial]: A substantial portion of revenue may be derived from a small number of customers. The loss of any of these key customers could have a material adverse effect on the business.
• Skilled Labor Shortages [medium — operational]: The company relies on a skilled workforce of engineers and technicians. Shortages in qualified personnel could impact the ability to deliver services and complete projects.
• Compliance with Building Codes and Regulations [low — regulatory]: Legence's services are subject to various federal, state, and local building codes and regulations. Non-compliance could lead to penalties and reputational damage.
• Economic Downturns [medium — market]: The demand for building services is sensitive to economic conditions. A significant economic downturn could reduce demand for new construction and retrofitting projects.
• Interest Rate Fluctuations [low — financial]: The company's debt obligations are subject to interest rate changes. Rising interest rates could increase the cost of servicing debt and impact profitability.

Industry Context

Legence operates in the mission-critical building systems sector, providing MEP engineering, installation, and maintenance. This market is characterized by high demand from growth industries like data centers, technology, life sciences, and healthcare. The sector is competitive, with a mix of specialized service providers and larger engineering firms. Trends include increasing complexity of building systems, demand for energy efficiency, and the need for reliable infrastructure to support digital transformation.

Regulatory Implications

As a provider of building services, Legence must comply with a complex web of federal, state, and local building codes, safety regulations, and environmental standards. Non-compliance can lead to significant fines, project delays, and reputational damage. The company's status as a publicly traded entity will also subject it to SEC regulations and enhanced disclosure requirements.

What Investors Should Do

1. Analyze backlog conversion rate
2. Assess competitive positioning
3. Monitor acquisition integration success
4. Evaluate exposure to high-growth sectors
5. Understand 'Controlled Company' status

Key Dates

• 2021-01-01: Start of revenue reporting period — Establishes the baseline for 2021-2024 growth metrics.
• 2024-12-31: End of revenue reporting period — Defines the period for the reported 39% revenue CAGR and 16% pro forma CAGR.
• 2025-06-30: Backlog and awarded contracts reported — Indicates a $2.8 billion backlog, up 29% year-over-year, showing strong future revenue potential.
• 2024-01-01: Start of 2024 revenue breakdown period — Period for which 32.5% revenue from new buildings and 67.5% from retrofits/maintenance is reported.
• 2024-12-31: End of 2024 revenue breakdown period — Period for which 32.5% revenue from new buildings and 67.5% from retrofits/maintenance is reported.
• IPO Date: Initial Public Offering — Marks the transition to a publicly traded company, subject to new regulatory and market scrutiny.

Glossary

MEP Services

Mechanical, Electrical, and Plumbing services, essential for building systems. (Core business offering of Legence Corp.)

CAGR

Compound Annual Growth Rate, a measure of average annual growth over a specified period. (Used to quantify Legence's historical revenue growth.)

Pro Forma

A financial statement presentation that includes the effects of hypothetical events or transactions, such as acquisitions. (Used to adjust reported revenue growth for the impact of acquisitions.)

Backlog

The total value of work that has been contracted but not yet completed. (Indicates future revenue potential and business pipeline.)

Controlled Company

A company where more than 50% of the voting power is held by an individual, group, or another company. (Blackstone Inc.'s significant ownership will make Legence a controlled company, impacting governance.)

S-1/A

An amended registration statement filed with the SEC for an initial public offering. (The document providing detailed information about Legence's business, financials, and risks.)

Retrofit

The process of adding new technology or features to an older system or structure. (A significant revenue stream for Legence, indicating work on existing buildings.)

Mission-Critical Building Systems

Essential systems within buildings (like HVAC, electrical) that must function continuously for the building's purpose. (Defines the specialized nature of Legence's services, often in sensitive environments like data centers.)

Year-Over-Year Comparison

This S-1/A filing provides initial details for Legence Corp.'s IPO. Key metrics like revenue CAGR (39% unadjusted, 16% pro forma) and a substantial backlog ($2.8 billion, up 29% YoY) indicate strong historical growth and future potential. New risks related to being a controlled company due to Blackstone's stake and the competitive landscape of MEP services are highlighted, alongside the existing risks of project concentration and skilled labor reliance.

Key Financial Figures

• $0.01 — of the Class A common stock, par value $0.01 per share, of Legence Corp., a Delaware
• $2.8 billion — nd-markets. As of June 30, 2025, we had $2.8 billion of backlog and awarded contracts, repre
• $545 m — f December 31, 2024, were approximately $545 million, $463 million, $350 million and $
• $463 m — 2024, were approximately $545 million, $463 million, $350 million and $260 million, r
• $350 million — proximately $545 million, $463 million, $350 million and $260 million, respectively, for the
• $260 m — million, $463 million, $350 million and $260 million, respectively, for the years ende
• $10 m — s that had contract prices of less than $10 million, after giving pro forma effect to
• $350.7 million — y, we paid subcontractors approximately $350.7 million and $234.8 million, respectively, in co
• $234.8 m — actors approximately $350.7 million and $234.8 million, respectively, in connection with
• $457.3 million — , 2024 and 2023, we spent approximately $457.3 million and $385.8 million, respectively, on eq
• $385.8 m — spent approximately $457.3 million and $385.8 million, respectively, on equipment for o
• $2,098.6 million — r ended December 31, 2024, we generated $2,098.6 million in revenue, $27.6 million in net loss a
• $27.6 million — generated $2,098.6 million in revenue, $27.6 million in net loss and $229.6 million in Adjus
• $229.6 million — revenue, $27.6 million in net loss and $229.6 million in Adjusted EBITDA representing a Net L
• $1,104.8 million — onths ended June 30, 2025, we generated $1,104.8 million in revenue, $23.0 million in net loss a

Filing Documents

• d833270ds1a.htm (S-1/A) — 3438KB
• d833270dex232.htm (EX-23.2) — 1KB
• d833270dex233.htm (EX-23.3) — 1KB
• g833270g01g03.jpg (GRAPHIC) — 72KB
• g833270g03g03.jpg (GRAPHIC) — 580KB
• g833270g15g15.jpg (GRAPHIC) — 122KB
• 0001193125-25-186788.txt ( ) — 4487KB

Risk Factors

Risk Factors 23 Cautionary Statement Regarding Forward-Looking Statements 62

Use of Proceeds

Use of Proceeds 64 Dividend Policy 66 Capitalization 67

Dilution

Dilution 69 Unaudited Pro Forma Consolidated Financial Information 71

Management's Discussion and Analysis of Financial Condition and Results

Management's Discussion and Analysis of Financial Condition and Results of Operations 79 Industry Overview 116

Business

Business 118 Management 129 Compensation Discussion and Analysis 133 Principal and Selling Stockholders 151 Corporate Reorganization 154 Certain Relationships and Related Party Transactions 159

Description of Capital Stock

Description of Capital Stock 163 Shares Eligible for Future Sale 170 Material U.S. Federal Income Tax Considerations for Non-U.S. Holders 173 Underwriting (Conflicts of Interest) 178 Legal Matters 189 Experts 190 Where You Can Find More Information 191 Index to Financial Statements F-1 Neither we nor the underwriters have authorized anyone to provide you with any information or to make any representations other than those contained in this prospectus, any amendment or supplement to this prospectus or in any free writing prospectus prepared by us or on our behalf. We and the underwriters take no responsibility for, and can provide no assurance as to the reliability of, any information other than the information in this prospectus and any free writing prospectus prepared by us or on our behalf. You should not assume that the information contained in this prospectus is accurate as of any date other than the date on the front cover of this prospectus. Our business, financial condition, results of operations and prospects may have changed since such dates. We are not, and the underwriters are not, making an offer to sell these securities in any jurisdiction where an offer or sale is not permitted. Through and including , 2025 (the 25th day after the date of this prospectus), all dealers effecting transactions in our shares, whether or not participating in this offering, may be required to deliver a prospectus. This requirement is in addition to the dealers' obligation to deliver a prospectus when acting as an underwriter and with respect to an unsold allotment or subscription. This prospectus contains forward-looking statements that are subject to a number of risks and uncertainties, many of which are beyond our control. "Risk Factors" and "Cautionary Statement Regarding Forward-Looking Statements" contain additional information regarding these risks. i Table of Contents COMMONLY USED DEFINED TERMS As used in this prospectus, u

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