Top Holding Companies and Conglomerates in South Korea

Last updated: August 13, 2025 Country: South Korea Industry: Technology & Telecom Companies listed: 23

This B2B directory page highlights 23 companies in South Korea within the Technology & Telecom sector, helping you identify relevant suppliers, partners, and service providers faster.

Top Holding Companies and Conglomerates in South Korea

Discover the leading holding companies and conglomerates operating in South Korea, featuring trusted, up-to-date business profiles. This comprehensive directory saves time by highlighting verified corporate groups with strong digital presence, helping you connect with major players influencing South Korea’s diverse economy.

  • Samsung Group – As one of South Korea’s largest conglomerates, Samsung Group specializes in electronics, heavy industries, finance, and construction. Established in 1938, it is globally recognized for innovation, holding numerous patents and awards. Samsung operates multiple subsidiaries like Samsung Electronics and Samsung Heavy Industries.
    Website: www.samsung.com
    Contact: +82-2-2255-0114
    Address: 129, Samsung-ro, Gangnam-gu, Seoul 06236
  • Hyundai Motor Group – Hyundai Motor Group is a leading South Korean conglomerate focused on automotive manufacturing, steel production, and financial services. Founded in 1967, Hyundai has earned local and global acclaim for quality vehicles and innovative mobility solutions.
    Website: www.hyundai.com
    Contact: +82-2-3464-1114
    Address: 12, Heolleung-ro, Seocho-gu, Seoul 06797
  • SK Group – SK Group operates in energy, telecommunications, chemicals, and semiconductor industries. Established in 1953, it ranks among South Korea’s top conglomerates with a strong footprint in renewable energy and digital technology sectors. SK is recognized for sustainability and innovation.
    Website: www.sk.com
    Contact: +82-2-2123-2114
    Address: 26, Sangil-ro 6-gil, Gangdong-gu, Seoul 05214
  • LG Corp – A major South Korean conglomerate established in 1947, LG Corp focuses on electronics, chemical industries, and telecommunications. The group is renowned for its innovation in consumer electronics and eco-friendly technology development. LG is ranked highly for corporate social responsibility.
    Website: www.lg.com
    Contact: +82-2-3777-1114
    Address: 128 Yeoui-daero, Yeongdeungpo-gu, Seoul 07336
  • Lotte Group – Lotte Group is a diversified South Korean conglomerate with interests in retail, food production, hospitality, and chemicals. Established in 1948, Lotte boasts numerous retail chains and operates globally with strong brand recognition.
    Website: www.lotte.co.kr
    Contact: +82-2-724-0114
    Address: 30-1, Sogong-ro, Jung-gu, Seoul 04533
  • POSCO Holdings – Founded in 1968, POSCO is South Korea’s top steel-making conglomerate, operating in engineering, construction, and energy sectors. The company is internationally recognized for advancements in steel technology and sustainable practices in industrial production.
    Website: www.posco.com
    Contact: +82-54-220-0114
    Address: 6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37673
  • Hanwha Group – Hanwha is a South Korean conglomerate engaged in aerospace, chemicals, financial services, and solar energy. Founded in 1952, Hanwha is notable for investing heavily in clean energy and technology sectors with global outreach.
    Website: www.hanwha.com
    Contact: +82-2-729-0114
    Address: 86, Cheonggyecheon-ro, Jung-gu, Seoul 04541
  • GS Group – GS Group operates across energy, construction, and retail industries. Since its founding in 2004, the firm has grown rapidly, focusing on infrastructure development and energy solutions in Seoul and surrounding regions.
    Website: www.gsretail.com
    Contact: +82-2-2005-0000
    Address: 33, Mapo-daero, Mapo-gu, Seoul 04169
  • Hanjin Group – Hanjin Group is a leading player in shipping, logistics, airline, and construction, famous for Korean Air and Hanjin Shipping. Founded in 1945, it has decades of experience in global transportation and supply chain management.
    Website: www.hanjin.co.kr
    Contact: +82-2-2651-3114
    Address: 115, Yeouido-dong, Yeongdeungpo-gu, Seoul 07336
  • Doosan Group – Operating since 1896, Doosan Group covers heavy industries, construction equipment, and power plants. The conglomerate is distinguished by its engineering expertise and contributions to infrastructure projects domestically and internationally.
    Website: www.doosan.com
    Contact: +82-2-3398-0114
    Address: 222, Banpo-daero, Seocho-gu, Seoul 06554
  • KT Corporation – KT Corporation is a top telecommunications and IT services conglomerate in South Korea. Founded in 1981, KT offers broadband, mobile, and smart solutions to millions, leading advancements in 5G technology and digital infrastructure.
    Website: www.kt.com
    Contact: +82-2-2190-0114
    Address: 33, Yeouido-dong, Yeongdeungpo-gu, Seoul 07336
  • Shinsegae Group – Shinsegae is a premier retail and distribution conglomerate with department stores, supermarkets, and e-commerce platforms. Established in 1930, Shinsegae is synonymous with luxury shopping experiences concentrated in Seoul’s prime districts.
    Website: www.shinsegae.com
    Contact: +82-2-1588-1234
    Address: 185, Sinbanpo-ro, Seocho-gu, Seoul 06542
  • HCL Korea – A key subsidiary of HCL Technologies, HCL Korea delivers IT services, software development, and consulting. Established in South Korea for over 10 years, it supports digital transformation for businesses across Seoul and nearby regions.
    Website: www.hcltech.com
    Contact: +82-2-3453-4700
    Address: 24, Teheran-ro 87-gil, Gangnam-gu, Seoul 06159
  • LS Group – LS Group is a South Korean conglomerate specializing in electrical equipment, energy, and industrial materials. Over 70 years, LS has expanded its product range supporting infrastructure and manufacturing sectors nationally.
    Website: www.lsholdings.co.kr
    Contact: +82-2-3406-0114
    Address: 8, Cheongpa-ro 20-gil, Yongsan-gu, Seoul 04350
  • KT&G Corporation – KT&G is a major player in tobacco manufacturing and real estate development. Founded in 1899, KT&G leads South Korea’s cigarette market and has diversified holdings, including health and wellness sectors.
    Website: www.ktng.com
    Contact: +82-2-2180-1114
    Address: 25, Banpo-daero 6-gil, Seocho-gu, Seoul 06556
  • OCI Company Ltd. – OCI produces chemical materials for solar energy, semiconductors, and automotive industries. Established in 1959, it is recognized for innovation in green energy and advanced chemical solutions in South Korea.
    Website: www.oci.co.kr
    Contact: +82-2-2125-1114
    Address: 660, Daehak-ro, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28309
  • GS Engineering & Construction – As a subsidiary of GS Group, GS E&C excels in construction and engineering projects including urban development and infrastructure. Founded in 1969, it holds several domestic and international certifications.
    Website: www.gsconst.co.kr
    Contact: +82-2-2086-1114
    Address: 33, Mapo-daero, Mapo-gu, Seoul 04169
  • Daelim Industrial Co., Ltd. – Daelim Industrial focuses on construction, engineering, and petrochemicals. Since 1939, it has contributed to various landmark projects in South Korea, especially in Seoul’s urban regeneration initiatives.
    Website: www.daelim.co.kr
    Contact: +82-2-2020-0114
    Address: 20, Seochojungang-ro 8-gil, Seocho-gu, Seoul 06620
  • Hana Financial Group – Hana Financial Group is a top holding company specializing in banking, insurance, and financial services. Founded in 1971, it serves clients across South Korea with an extensive banking network in Seoul and metropolitan areas.
    Website: www.hanafn.com
    Contact: +82-2-3705-1114
    Address: 9, Namdaemun-ro, Jung-gu, Seoul 04533
  • Megastudy Co., Ltd. – Specializing in education services and online learning platforms, Megastudy leads in South Korea’s e-learning market. Operating since 2000 in Seoul, it offers exam preparation and tutoring services widely recognized for quality and effectiveness.
    Website: www.megastudy.net
    Contact: +82-2-2260-3114
    Address: 20, Seolleung-ro, Gangnam-gu, Seoul 06142
  • Doosan Heavy Industries & Construction – A subsidiary of Doosan Group, specializing in power plant construction, desalination, and heavy industrial equipment. Operating for over 40 years, the company is known for complex infrastructure projects in Korea and overseas.
    Website: www.doosanheavy.com
    Contact: +82-2-3398-4700
    Address: 20, Seochodaero 314-gil, Seocho-gu, Seoul 06792
  • Hanon Systems – Hanon Systems is a specialized automotive parts supplier in South Korea, focusing on thermal and energy management systems. Since its foundation in 1986, Hanon has become a key supplier to global auto manufacturers.
    Website: www.hanonsystems.com
    Contact: +82-31-500-2000
    Address: 15, Heolleung-ro, Seocho-gu, Seoul 06634
  • Kumho Asiana Group – Operating across aviation, logistics, construction, and chemicals, Kumho Asiana Group has a diversified business portfolio with its flagship Asiana Airlines. Established in 1946, it is a major player in South Korea’s transportation sector.
    Website: www.kumhoasiana.com
    Contact: +82-2-3780-1114
    Address: 124, Banpo-daero, Seocho-gu, Seoul 06545

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