BT Group PLC is the incumbent fixed-line phone company in the U.K., providing phone, Internet access, and television services to residential and business customers. It also runs a global services business that is still one of the largest international providers of managed networks and information technology services. The firm is now organized into four segments: consumer services, enterprise services, global services and Openreach service.BT Group PLC is a provider of telecommunications networks and services. It sells fixed-voice, broadband, mobile and TV products and services to consumers in the UK.