BT Group plc is the listed holding company for an integrated group of businesses that provide voice and data services in the UK and elsewhere in Europe.
BT Retail - serving end-business and residential customers. And the prime channel to market for other BT businesses.
BT Wholesale - which runs BT Telecommunications plc networks and sells network capacity and call terminations to other carriers
BT Global Services, BT's business services and solutions division serving customers worldwide
- BT Openworld - an international mass-market internet business
Further businesses make up BT Group plc, including BT Exact which combines carrier-grade telecommunications engineering and leading-edge network design, IT system and application development skills to enable its clients across BT Group and, through BT's other business, in the marketplace to gain competitive advantage.