SK Telecom Co., Ltd. (SKMD.L), South Korea's largest wireless telecommunications operator founded in 1984 and headquartered at 65 Eulji-ro in Seoul's Jung District, provides comprehensive cellular, fixed-line, and digital services primarily in South Korea with expanding global partnerships. The company operates through three main segments offering wireless voice and data transmission including 5G and LTE networks; Internet of Things (IoT) solutions, cloud computing, smart factory platforms, and metaverse services; fixed-line telephone, broadband Internet, Internet protocol television (IPTV), cable TV, and business communications; media platforms, subscription services, advertising, curated shopping under the T Deal brand, T-commerce, and portal services under the Nate brand; as well as wireless device sales, call center management, base station maintenance, and non-memory electronic integrated circuits. SK Telecom targets individual consumers, enterprises, and government clients across mobile communications, enterprise solutions, AI-driven platforms, and digital content sectors. In recent developments, SK Telecom entered a global quantum strategic partnership with IonQ in February 2025 involving the latter's acquisition of a controlling stake in ID Quantique, enhancing its quantum networking capabilities; collaborated with VAST Data in August 2025 to optimize Korea's largest AI infrastructure; and signed a Memorandum of Understanding in October 2025 with SK Group for an AI data center in southwestern South Korea, alongside ongoing investments in 5G subscriber growth to 65% of its base and AI/cloud expansions driving record 2024 revenues of KRW 17.6 trillion.