SK Telecom

SK텔레콤 · 017670

Communication Services Telecom · KOSPI

Large-cap

Market cap US$19.5B (₩26.9T)

Overview

SK Telecom is South Korea's largest mobile-network operator.

It provides wireless phone, data, and broadband services to consumers and businesses, and it has expanded into areas such as artificial intelligence, media, and the technology behind connected devices. The company runs the network infrastructure that carries much of the country's mobile traffic. It is a core affiliate of the SK group.

Summary is AI-generated and may contain errors · figures from DART filings

Financials

Source: DART · FY ending Dec · latest FY2025
Revenue · FY2025
US$12.4B
▼ −4.7% YoY
Operating profit · FY2025
US$777.7M
▼ −41.1% YoY
Net income · FY2025
US$271.8M
▼ −73.0% YoY

Revenue

  • FY2023US$12.8B
  • FY2024US$13B
  • FY2025US$12.4B

Operating profit

  • FY2023US$1.3B
  • FY2024US$1.3B
  • FY2025US$777.7M

Net income

  • FY2023US$830.4M
  • FY2024US$1B
  • FY2025US$271.8M

Key ratios (FY2025)

ROE
2.9%
Debt/Eq
132.4%
Op. margin
6.3%
Net margin
2.2%
Rev. YoY
▼ −4.7%

Why it matters

It is part of the SK group and earlier spun off its investment holdings into the separately listed SK Square.

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For informational purposes only. This is not investment advice, a recommendation, or a solicitation to buy or sell any security. Do your own research; any investment decision is your own responsibility.

Data from DART, Korea's official corporate-filing system. Data sourced from official DART filings. Accuracy is not guaranteed. Figures are as of the date shown. As of 2026-06-12 (KST). · FX: 1 USD ≈ ₩1,380 (2026-06-01).

Company summaries are generated and may contain errors; financial figures are mapped directly from official filings.