{ "schemaVersion": 1, "organisationId": "O-6923a9dc8410422d8cc21f7c0284090c", "slug": "sk-telecom-co-ltd", "name": "SK TELECOM CO LTD", "updatedAt": "2026-10-02T12:35:10.581451Z", "sections": [ { "type": "OVERVIEW", "text": "SK Telecom Co., Ltd. is a South Korean telecommunications and technology company. Its core business is mobile voice and data service, complemented by fixed-line communications, broadband, IPTV and cable TV; it also provides services including IoT, enterprise communications, cloud, AI and subscriptions. South Korea is its primary market, with international reach through roaming agreements with foreign operators. [P150990994][P150991003][P150991013][P150991024][P150991026][P150991031][P150991373]\n\nFor the year ended December 31, 2025, SK Telecom reported consolidated revenue of KRW 17.099 trillion; cellular services accounted for KRW 12.553 trillion. [P150992751][P150990997] Its 2025 Sustainability Report lists 5,316 employees. [https://news.sktelecom.com/en/wp-content/uploads/pdfs/SK_Telecom_Sustainability_Report_2025_Eng_F_brief.pdf] The company traces its mobile communications operations to 1984. [https://www.sktelecom.com/en/view/introduce/history.do] Its stated vision focuses on connecting AI technology with values important to customers and bringing new energy to Korea. [https://www.sktelecom.com/en/view/introduce/intro.do]\n[P150990994][P150991003][P150991013][P150991024][P150991026][P150991031][P150991373][P150992751][P150990997][https://news.sktelecom.com/en/wp-content/uploads/pdfs/SK_Telecom_Sustainability_Report_2025_Eng_F_brief.pdf][https://www.sktelecom.com/en/view/introduce/history.do][https://www.sktelecom.com/en/view/introduce/intro.do]", "updatedAt": "2026-10-02T12:35:10.581451Z" }, { "type": "PRODUCTS", "text": "SK Telecom’s consumer offerings include wireless voice and data services, 5G/LTE plans, devices and T Membership, which provides subscriber discounts, points, shopping and promotional benefits. Its 5GX plans include unlimited domestic voice, text and data options; the company also offers lower-priced plans with smaller data allowances and online-only “Direct” plans. SK Telecom describes its nationwide 5G network as supporting maximum transmission speeds of 2.75 Gbps and mMTC connections for IoT devices. [P150991040][P150991049][P150991050][P150991072]\n\nIts business AI portfolio includes generative AI, AI vision, AI contact-center, AI marketing, AI data and physical-AI offerings. A. Biz is an enterprise AI agent designed to assist with administrative work and functions such as legal, tax, public relations, purchasing and personnel management. GPU-as-a-Service gives enterprise customers on-demand access to GPU cloud resources; SK Telecom launched the service in 2025 and later introduced its Haein cluster, equipped with more than 1,000 NVIDIA B200 GPUs. [P150991031][P150991033]\n\nIn media, SK Telecom offers AI B tv, which uses viewer identification and viewing history to personalize VOD recommendations, and B tv A. Service, which uses its A. language model for voice commands, content discovery and recommendations. SK Broadband’s services include broadband internet, IPTV and cable television, alongside fixed-line and international calling and interconnection services. [P150991097][P150990759][P150991373]\n[P150991040][P150991049][P150991050][P150991072][P150991031][P150991033][P150991097][P150990759][P150991373]", "updatedAt": "2026-10-02T12:35:10.581451Z" }, { "type": "GEOGRAPHY", "text": "SK Telecom’s operating footprint is centered in South Korea. At year-end 2025, its mobile network reached substantially all of the country’s population, and it reported 23.5 million mobile subscribers, including MVNO subscribers, equivalent to a 41.6% market share. The company also reported nationwide 5G coverage. [P150990994][P150991049]\n\nIts registered office and corporate headquarters are at SK T-Tower, 65 Eulji-ro, Jung-gu, Seoul. Listed regional facilities span the Seoul Metropolitan Area, Gyeongsang Provinces, Jeolla and Jeju Provinces, and Chungcheong Province. [P150991261][T17333590]\n\nThe 2025 annual report does not give geographic revenue percentages or a country-by-country employee distribution. Its listed overseas subsidiaries and entities include operations or holdings in the United States, China, and the Cayman Islands, while the subsidiaries are predominantly based in Korea. [T17333836][T17333839]\n[P150990994][P150991049][P150991261][T17333590][T17333836][T17333839]", "updatedAt": "2026-10-02T12:35:10.581451Z" }, { "type": "SEGMENTS", "text": "SK Telecom reports three financial segments. Based on 2025 external revenue after intersegment eliminations, Cellular services accounted for approximately 73.4% (₩12,552.5 billion) of consolidated revenue. The segment covers wireless voice and data services, wireless-device sales, and related technology solutions and services. [P150992335][P150990994][P150991326][T17334031]\n\nFixed-line telecommunication services contributed approximately 24.5% (₩4,191.1 billion) of 2025 external revenue. Its activities include broadband Internet, IPTV and cable TV, fixed-line telephone, international calling, and related interconnection and services. [P150991330][T17334031]\n\nThe Others segment contributed approximately 2.1% (₩355.6 billion). The report describes SK Stoa’s T-commerce business as a principal remaining revenue source; it also notes that disposals of SK M&Service and NATE Communications reduced other revenue. [P150991336][P150991122][T17334031]\n[P150992335][P150990994][P150991326][T17334031][P150991330][P150991336][P150991122]", "updatedAt": "2026-10-02T12:35:10.581451Z" }, { "type": "HISTORY", "text": "SK Telecom was founded on March 29, 1984, as Korea Mobile Telecommunications Services Co., Ltd., and began car-phone service that year. After the company was renamed Korea Mobile Telecommunications, SK Group acquired management control in 1994; it adopted the SK Telecom name in 1997. In 1996, it launched commercial CDMA digital mobile service, described by the company as the world’s first CDMA-based cellular service. [https://www.sktelecom.com/en/press/press_detail.do?idx=469] [https://www.sktelecom.com/en/view/introduce/history.do]\n\nThe company expanded through the 1999 acquisition and 2002 merger with Shinsegi Telecom, and launched CDMA2000 1x EV-DO service in 2002. It entered fixed broadband by acquiring Hanaro Telecom in 2008, later renamed SK Broadband. SK Telecom launched LTE in 2011 and LTE-Advanced in 2013, followed by an initial 5G network in 2018 and commercial 5G service in 2019. [https://www.sktelecom.com/en/press/press_detail.do?idx=88] [https://www.sktelecom.com/en/press/press_detail.do?idx=268] [https://www.sktelecom.com/en/press/press_detail.do?currentPage=1&idx=366] [https://www.sktelecom.com/en/press/press_detail.do?currentPage=1&idx=894] [https://www.sktelecom.com/en/press/press_detail.do?idx=963] [https://www.sktelecom.com/en/press/press_detail.do?currentPage=1&idx=1036&keyword=NTT+docomo&type=all] [https://www.sktelecom.com/en/press/press_detail.do?currentPage=1&idx=1367]\n\nOn November 1, 2021, SK Telecom completed a corporate split, transferring a portfolio of non-telecom investment businesses to the newly established SK Square. 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