SK Telecom, a publicly owned company headquartered in South Korea, was founded in 1984 and employs approximately 7,530 individuals. The company reported $12.0B in revenue as of 2025. It operates primarily in the telecoms sector, functioning as a South Korean wireless telecommunications operator and former film distributor. SK Telecom is part of the SK Group, one of the country's largest chaebols, and has held a significant market position, leading the local market with a 50.5 percent share as of 2008, and serving as the largest wireless carrier in South Korea with 27.019 million subscribers as of Q4 2017.
On February 6, 2026, SK Telecom joined the board of directors of the FIDO Alliance, expanding its role in shaping global authentication and security standards. The company will commence its board activities at the FIDO Alliance’s general assembly, held in Paris, France, on February 4, local time. The FIDO Alliance includes major technology companies such as Amazon, Apple, and Google. Earlier on February 6, SK Telecom announced its full-year 2025 results, reporting consolidated revenue of KRW 17.0992 trillion, an operating income of KRW 1.0732 trillion, and a net income of KRW 375.1 billion. The company saw 5G subscribers return to net growth in Q4 2025, adding 230,000. Previously, on February 5, SK Telecom indicated its 2025 earnings were impacted by a major hacking incident and a widespread data breach. The company's revenue of 17.1 trillion won represented a 4.7 percent decrease from the previous year, with net profit falling sharply by 73 percent year-on-year to 375.1 billion won due to significant compensation and recovery costs following the incident.
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