ADT is a leading provider of security, automation, and smart home solutions serving consumer and business customers through more than 300 locations, 9 monitoring centers, and the largest network of security professionals in the United States. The company offers many ways to help protect customers by delivering lifestyle-driven solutions via professionally installed, do-it-yourself, mobile, and digital-based offerings for residential, small business, and larger commercial customers. ADT is located in Boca Raton, Florida. For this review, we will be focusing exclusively on ADT’s professionally installed residential home security systems.