|legal form||Holding company|
|Seat||Jakarta , Indonesia|
Telkomsel is an Indonesian telecommunications company and operates a GSM network there. The company was founded in 1995 and is based in Jakarta . With around 32 million customers and over 50% market share, Telkomsel is the market leader. The telephone network reaches 90% of the Indonesian population and covers all provinces on Sumatra , Java , Sulawesi and Bali . At the Company Telkom Indonesia with 65% and Singapore Telecommunications (SingTel) a 35% interest.