The Korea Times
SK Telecom, Korea’s largest wireless carrier, secured the top position in the mobile phone service category of the 2026 National Customer Satisfaction Index, extending an industry-leading streak that now spans nearly three decades. The achievement, announced Monday, marks the 29th consecutive year the company has led the rankings. SK Telecom remains the only enterprise across all domestic industries to have held the top position every year since the index was introduced in 1998. The survey, conducted by the Korea Productivity Center, in partnership with the University of Michigan, is a primary benchmark for consumer sentiment, relying on direct user evaluations to quantify satisfaction levels across more than 30 countries. Analysts and company officials attribute the sustained performance to a strategic pivot toward artificial intelligence (AI)-centered telecommunications and a localized effort to restore consumer confidence following a high-profile cyber intrusion incident in 2025. In the wake of that breach, the carrier implemented a series of network security upgrades and customer
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