Key Stats
ADT Inc. operates as a leading provider of security and smart home solutions across the United States. The company delivers comprehensive monitoring services for residential and small business customers. Founded in 1874, ADT Inc. has built a reputation as the most trusted brand in home security.
The company offers burglar alarms, fire detection systems, video surveillance, and smart home automation through its ADT+ platform. With 13,000 employees and 140 dealer partners, ADT Inc. serves millions of customers nationwide. The company trades on the New York Stock Exchange under the ticker symbol ADT.
ADT Inc. generated $4.9 billion in revenue during 2024. The company maintains a market capitalization of approximately $7.24 billion as of 2025. Jim DeVries serves as Chairman, President, and CEO, leading the organization since joining in 2016.
ADT Inc. History
Edward Callahan created a telegraph-based call-box system to signal for assistance after a nighttime break-in. He connected 50 homes in the neighborhood, establishing the first residential security network.
American District Telegraph was incorporated in Baltimore, marking the official birth of ADT Inc.
Western Union acquired ADT Inc. The company became the security services branch after Western Union recognized the declining messenger service industry.
American Telephone & Telegraph Company gained control of both Western Union and ADT Inc. as part of its expansion strategy.
Hawley Goodall acquired ADT Inc. and Crime Control Inc., becoming one of the largest security services companies in the United States. The company changed its name to ADT Limited.
Tyco International purchased ADT Inc., bringing the security company under new ownership and expanding its reach.
Tyco acquired Broadview Security and merged it with ADT Inc., strengthening the company’s market position.
ADT Inc. became an independent public company after Tyco split into three separate entities. The company began trading on the New York Stock Exchange.
Apollo Global Management acquired ADT Inc. and merged it with Protection 1, another home security provider.
ADT Inc. acquired Sunpro Solar and rebranded it as ADT Solar, expanding into renewable energy solutions for residential customers.
ADT Inc. Co-founders
Edward Callahan invented the telegraph-based call-box system that became the foundation of ADT Inc. He created the first residential security network by connecting 50 homes to a central monitoring station in 1874.
ADT Inc. Competitors
ADT Inc. operates in a competitive home security market with several established players. The company faces competition from both traditional security providers and newer DIY-focused alternatives.
| Company | Type |
|---|---|
| Vivint Smart Home | Professional Installation |
| SimpliSafe | DIY Security System |
| Frontpoint Security | DIY with Monitoring |
| Cove Security | DIY Security System |
| Brinks Home Security | Professional Installation |
| Ring (Amazon) | DIY Smart Home Security |
| Abode Security | DIY Security System |
| Xfinity Home (Comcast) | Integrated Home Security |
ADT Inc. Revenue
ADT Inc. generated $4.9 billion in revenue during 2024, representing a 5.28% increase from the previous year. The company’s revenue growth reflects strong customer retention and recurring monthly revenue expansion.
*2025 projection based on trailing twelve months
ADT Inc. Marketcap
ADT Inc. maintains a market capitalization of approximately $7.24 billion as of September 2025. The company’s market value reflects investor confidence in its recurring revenue model and customer base expansion.
ADT Inc. Acquisitions
ADT Inc. has pursued strategic acquisitions throughout its history to expand market share and enhance service offerings. The company’s acquisition strategy focuses on integrating complementary security providers and expanding into adjacent markets.
In 2010, Tyco International acquired Broadview Security (formerly Brinks Home Security) for approximately $2 billion. This acquisition represented the second-largest security company in the United States at the time. The merger combined two major players in residential and commercial security monitoring. Broadview Security brought a substantial customer base and expanded ADT Inc.’s geographic footprint across North America.
In 2014, ADT Inc. acquired Reliance Protectron Security Services, a Canadian security provider. This acquisition strengthened the company’s presence in the Canadian market. However, in 2019, Telus Corp. purchased ADT Inc.’s Canadian assets, allowing the company to refocus on its core U.S. operations. The sale included customer accounts and monitoring centers in Canada.
In 2016, Apollo Global Management acquired ADT Inc. and merged it with Protection 1, creating a larger combined entity. This merger brought together two significant security companies under one management structure. The deal valued the combined company at approximately $7 billion and consolidated operations across the United States.
In 2021, ADT Inc. acquired Sunpro Solar and rebranded it as ADT Solar. This acquisition represented a strategic expansion into renewable energy solutions for residential customers. The company aimed to offer integrated security and solar energy systems. However, in 2024, ADT Inc. exited the solar business to concentrate on its core security operations and improve profitability.
Throughout these acquisitions, ADT Inc. focused on expanding customer reach and integrating new technologies. The company continues to evaluate strategic opportunities that align with its mission to provide comprehensive security solutions. Each acquisition has contributed to shaping ADT Inc. into the leading security provider it is today, serving millions of customers nationwide.
FAQs
What services does ADT Inc. provide?
ADT Inc. provides home security systems, smart home automation, video surveillance, fire detection, access control, and professional 24/7 monitoring services for residential and business customers across the United States.
When was ADT Inc. founded?
ADT Inc. was founded in August 1874 by Edward Callahan, who created the first telegraph-based residential security network after experiencing a break-in at his employer’s home.
Who is the CEO of ADT Inc.?
Jim DeVries serves as Chairman, President, and CEO of ADT Inc. He joined the company in 2016 and was appointed CEO in December 2018 and Chairman in 2023.
How many employees does ADT Inc. have?
ADT Inc. employs approximately 13,000 people as of 2024, down from 14,300 in 2023, following strategic restructuring and the exit from the solar business.
What is ADT Inc.’s stock symbol?
ADT Inc. trades on the New York Stock Exchange under the ticker symbol ADT. The company went public as an independent entity in 2012 after Tyco’s corporate split.