Company: LGN
Filing Date: 2025-08-25
Form Type: S-1/A
Source: 0001193125-25-186788
Chunk: 17

Company: Legence Corp.
Filing Date: 2025-08-25
Form: S-1/A
Chunk 17
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 grew at a compound annual growth rate of approximately 23% from 2021             
 to 2024, after giving pro forma effect to acquisitions we made over that period. Maintenance services are attractive to us because they generate higher margins than our other installation services, do not rely on continued investment in facilities 
 to grow and are typically recurring in nature. Our strategy is to increase revenue from maintenance services by hiring additional sales staff and technicians that focus on securing new maintenance contracts. Additionally, we have designed our      
 account management strategies to highlight our maintenance capabilities with the goal of growing our maintenance service work with existing clients.                                                                                                    |

| • |     | Making “bolt-on” acquisitions that expand our geographic footprint and increase density in                                                                                                                                                           
 demand-rich markets. We believe that acquisitions can accelerate our growth by creating access to new clients, expanding our footprint to new regions and adding capabilities in new areas. We are continuously evaluating potential acquisitions of 
 engineering, consulting, installation and maintenance service providers in the United States. Our strategy is to acquire best-in-class engineering and consulting firms                                                                              
 focused on energy efficiency, as well as leading installation and maintenance service providers. We seek to acquire companies that have a track record of strong financial performance and                                                           |

6

| safe operations and are in regions that are experiencing significant growth. In addition, we will consider acquisitions of companies with complementary services to our own and companies that 
 operate in attractive international markets.                                                                                                                                                   |

Corporate Reorganization Legence is a Delaware corporation that was formed for the purpose of making this offering. Following this offering and the transactions related thereto, Legence’s sole material asset will consist of membership interests in Legence Holdings (held directly by us and indirectly through the Pubco Subsidiaries). Legence Holdings directly or indirectly owns all the outstanding membership interests in the operating subsidiaries through which we operate our assets. After the consummation of the transactions contemplated by this prospectus, Legence will be the managing member of Legence Holdings and will control and be responsible for all operational, management and administrative decisions relating to Legence Holdings’ business, will consolidate the financial results of Legence Holdings and its subsidiaries and will report non-controllinginterests in its consolidated financial statements related to the LGN Units that the LGN Unit Holders will own in Legence Holdings. This offering is being conducted through what is commonly referred to as an “UP-C”structure, which is often used by partnerships and limited liability companies undertaking an initial public offering. The UP-Cstructure provides the LGN Unit Holders