ADT Inc. ADT

ADT Company Overview

ADT Inc. (ADT) is a U.S.-based provider of security, automation, and smart home solutions, primarily serving residential and small- to medium-sized business customers. The company operates within the electronic security, smart home, and life safety monitoring industries, offering professionally installed and monitored systems designed to protect homes and businesses from intrusion, fire, carbon monoxide, and other hazards.

ADT’s primary revenue drivers are recurring monthly fees from professional monitoring contracts, supplemented by installation, equipment sales, and smart home services. The company is one of the largest providers of monitored security services in the United States, with a well-established brand and a large subscriber base. Founded in 1874 as part of American District Telegraph, ADT has evolved from telegraph-based signaling services into a modern security and smart home technology company, undergoing multiple ownership changes before becoming a publicly traded company following its separation from Tyco International in 2016.