Singapore Telecommunications is engaged in the operation and provision of telecommunications systems and services, and investment holding. Co. provides a range of multimedia and Information and communications technology solutions, including voice, data and video services over fixed and wireless platforms. Within both Singapore and Australia, Co. provides mobile communications, data and Internet, national telephone, information technology and engineering, sale of equipment, international telephone and pay television. Co.'s key businesses include: Group Consumer, Group Digital L!fe, and Group Information and communications technology.

StarHub is a fully-integrated info-communication company based in Singapore. Co. offers a full range of information, communications and entertainment services for both consumer and corporate markets. Co. operates a two-way 3.5G mobile network that delivers up to 14.4 Mbps for downlink (with HSPA+ coming soon) to complement its nation-wide GSM network, and an island-wide HFC network that delivers multi-channel cable TV services (including High Definition Television and on-demand services) as well as ultra-high speed residential broadband services. Co. also operates an extensive fixed business network that provides a wide range of data, voice and wholesale services.