BT Group plc is a communications services company. The Company is engaged in providing and managing data and voice networks and providing a range of services over these networks. It operates in approximately 170 countries worldwide. The Company is a principal communications services provider, selling products and services to consumers, small and medium-sized enterprises and the public sector. The Company also sells wholesale products and services to communications providers in the United Kingdom and around the world. The Company supplies managed networked information technology (IT) services to multinational corporations, domestic businesses and national and local government organizations. Bt has four lines of business: BT Global Services, BT Retail, BT Wholesale and Openreach. In December 2012, the Company sold of its remaining 9.1% iin Tech Mahindra Ltd to institutional investors.