ADT · Annual Report (Form 10-K) · Filed March 2, 2026

Adt Inc — 10-K exhibit

a10-k2024exhibit211111.htm

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Exhibit 21

ADT Inc. (a Delaware corporation)

Significant Subsidiaries

The table below is a list of direct and indirect subsidiaries of ADT Inc. as of December 31, 2025, and the state or other jurisdiction in which the subsidiaries are organized. Pursuant to Item 601(b)(21)(ii) of Regulation S-K, certain subsidiaries have been omitted from this list because, if considered in the aggregate as a single subsidiary, such subsidiaries would not constitute a “significant subsidiary” as defined in Rule 1-02(w) of Regulation S-X.


Entity						State or other Jurisdiction
ADT LLC						Delaware
Compass Solar Group, LLC						Delaware
Buildpro, L.L.C.						Louisiana
Prime Security Services Borrower, LLC						Delaware
Prime Security Services Holdings, LLC						Delaware
The ADT Security Corporation						Delaware
ADT Puerto Rico, LLC						Puerto Rico
Security Monitoring Services, Inc						Florida

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