Telekom Malaysia Berhad engages in the establishment, maintenance, and provision of telecommunications and related services in Malaysia and internationally.

It operates through unifi, TM ONE, TM WHOLESALE, and Shared Services/Others segments.

The company offers a suite of communication services and solutions in fixed telephony and broadband, mobility, content, Wi-Fi, information and communications technology (ICT), cloud, data center, and smart services.

It also provides network connectivity and bandwidth; project management; managed network, and value-added telecommunication and information technology services; cloud consumption; and transmission of voice and data services, as well as develops and sells software products.

In addition, the company engages in the provision of research and development activities in the areas of communications, hi-tech applications, and products and services in related business; management of customer care services; trading of customer premises telecommunication equipment; property development activities; and content and application development for internet services.

Further, it provides printed and online telephone directories; broadband network infrastructure facilities and services; and network system integration, network centric, integrated security management system, and fleet management services, as well as training and related services.

Additionally, the company builds, provides, and manages smart buildings, which include smart tenant services for the building owners, operators, residents, and visitors; international telecommunications; ICT system security.

It serves approximately 2.78 million fixed broadband customers.

The company was founded in 1946 and is headquartered in Kuala Lumpur, Malaysia.