ADT Inc. is a security company that offers automation, security, and smart home solutions to customers in 35 countries. It has a range of fire detection, fire suppression, video surveillance, and access control systems for residential, commercial, and multi-site customers.

The company sells its merchandise under the ADT, ADT Pulse, Protection 1, ADT Commercial, and Blue by ADT brands. It has a network of around 250 sales and service offices, as well as 3 regional distribution centres. These are supported by 17 sales, customer, and field locations that have 9 UL-listed monitoring centres and 4 national sales centres.

The company was formerly known as Prime Security Services Parent, Inc. and changed its name to ADT Inc. in September 2017. ADT Inc. was founded in 1874 and is headquartered in Boca Raton, Florida.