Telkomsel, a privately owned Indonesian telecommunications company founded in 1995, is a subsidiary of Telkom Indonesia. Employing approximately 12,560 people, it is headquartered in Indonesia and offers a range of digital services. These include media and TV services, along with mobile gaming, digital entertainment, digital lifestyle applications, mobile financial services, enterprise solutions, and internet of things (IoT) capabilities. Telkomsel utilizes advanced broadband technologies, including 5G, to deliver its services. MAXStream is a known subsidiary.
Telkomsel shifted its strategic focus from selling starter cards to service extension packages to increase average user spending and compete with other operators. On September 10, 2025, Mobileum and Telkomsel announced a strategic partnership. This partnership aims to deliver AI-powered data solutions for Indonesian enterprises to help them grow, innovate, and improve operational efficiency. The partnership focuses on providing scalable AI-driven insights for Indonesian businesses.