Telkom is Indonesia's largest telecommunications company, providing integrated fixed and mobile connectivity services to consumers, enterprises, and government agencies through subsidiary brands including Telkomsel and IndiHome. The company generates revenue through consumer subscriptions for mobile and fixed broadband, business-grade connectivity and cloud services, wholesale network capacity, tower and data center leasing, and digital content offerings, supported by owned infrastructure including cellular networks, fiber systems, telecommunications towers, data centers, and satellite assets. Telkom operates domestically across Indonesia while expanding internationally through its Telin subsidiary, which provides submarine cable connectivity and platform services across Asia-Pacific, Europe, and North America, with ongoing investments in 5G networks, data center expansion, and digital ecosystem development.