XLSMART Telecom Sejahtera Tbk is an Indonesian mobile telecommunications services operator. The company provides a comprehensive suite of telecommunications services, including mobile communication, 4G LTE and 5G connectivity, fixed broadband via fiber optic, internet telephony, cloud and data center solutions, and Internet of Things (IoT) services. It operates under the core consumer brands XL, Axis, and Smartfren. Headquartered in Jakarta, Indonesia, the company was founded in 1989 and officially established as XLSMART in April 2025 following a merger.