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Private company

SK Broadband

Logo: SK Broadband, Public domain, via Wikimedia Commons3

Seoul-based telecommunications company

SK Broadband, Inc. (Korean: SK브로드밴드; KRX: 033630; formerly Hanaro Telecom) is a Seoul-based telecommunications company and a wholly owned subsidiary of SK Telecom.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Sep 23, 1997Founded1

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SK Broadband, Inc. (Korean: SK브로드밴드; KRX: 033630; formerly Hanaro Telecom) is a Seoul-based telecommunications company and a wholly owned subsidiary of SK Telecom.2

Corporate structure

SK Broadband is part of a group headed by SK Inc.. 46 entities, 11 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • SK Inc. Seoul
    • SK Telecom 서울특별시, South Korea
      • SK Broadband Seoul
      • Astell&Kern Subsidiary
      • Dreamus Company Subsidiary · Seoul
      • IRIVER Subsidiary · Seoul
      • SK Planet Subsidiary · Seongnam-si
      • T1 Subsidiary
      • WAVVE Subsidiary
      • 에스케이브로드밴드주식회사 Subsidiary · 99.1% · Seoul, South Korea
    • SK Group Subsidiary · Seoul
      • 11Street Subsidiary · Jung District, South Korea
      • Nate Communications Subsidiary · Seoul
      • SK Hynix Subsidiary · Icheon-si, South Korea
        • SK Hynix (Japan) Subsidiary · Tokyo, Japan
        • SK HYNIX NAND PRODUCT SOLUTIONS CORP. Subsidiary · 100% · Wilmington, County of New Castle, Delaware, United States
          • 5 more
        • 에스케이하이닉스 시스템아이씨 주식회사 Subsidiary · 100% · Cheongju-si, South Korea
        • LG Semiconductor Subsidiary
        • SK Hynix (United States) Subsidiary · United States
        • SK HYNIX VENTURES HONG KONG LIMITED Subsidiary · Taikoo Place, Hong Kong
      • SK Teletech Subsidiary
      • SK EnClean Subsidiary · South Korea
      • SK gas Subsidiary · South Korea
    • SK Innovation Subsidiary · Seoul, South Korea
      • SK Energy Subsidiary · Seoul, South Korea
      • SK Incheon Petrochem Subsidiary · Incheon
      • SK E&S HONGKONG CORPORATION LIMITED Subsidiary · 100% · Hongkong, Hong Kong
      • SK에너지 주식회사 Subsidiary · 100% · Seoul, South Korea
      • SK인천석유화학(주) Subsidiary · 100% · Incheon Metropolitan City, South Korea
      • SK지오센트릭 주식회사 Subsidiary · 100% · Seoul, South Korea
        • SK GC AMERICAS INC. Subsidiary · Houston, Texas, United States
          • 1 more
      • 에스케이온 주식회사 Subsidiary · 90.3% · Seoul, South Korea
        • SK On Hungary Korlatolt Felelossegu Tarsasag (SK On Hungary Korlátolt Felelősségű Társaság) Subsidiary · Komárom, Hungary
      • 에스케이아이이테크놀로지 Subsidiary · 61.2% · Seoul, South Korea
        • SK HI-TECH BATTERY MATERIALS POLAND SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA Subsidiary · Dąbrowa Górnicza, Poland
      • PRISM ENERGY INTERNATIONAL PTE. LTD. Subsidiary · Singapore, Singapore
      • SK E&P AMERICA, INC. Subsidiary · Houston, Texas, United States
        • SK PLYMOUTH, LLC Subsidiary · Houston, Texas, United States
      • SK ENERGY EUROPE LIMITED Subsidiary · London, United Kingdom
    • SK Square Stake · 32.14% · M5

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. Sep 23, 1997Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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  3. 3