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GlaxoSmithKline Korea Inc.

GSK's South Korean biopharma affiliate, operating in the country since 1986 and prioritizing specialty medicines and vaccines.

Last updated September 15, 2026

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Overview

GlaxoSmithKline Korea Inc. (한국 GSK) is the South Korean affiliate of the biopharma company GSK. According to its official site, it entered the Korean market in 1986 and operates two legal entities in the country historically — GSK Korea and GSK Consumer Healthcare Korea — with the consumer healthcare entity spun off as Haleon in July 2022. The affiliate describes itself as prioritizing innovation in specialty medicines and vaccines to prevent and treat disease, and states that 475 people work at its Korean headquarters and regional offices.

History

According to the official Korean GSK site, the company entered the Korean market in 1986. Its Korean history timeline records: in 1986, British Glaxo established the 50:50 joint venture '한국 그락소' with Chong Kun Dang; in 1991, SmithKline Beecham Korea was established as a domestic corporation; in 1995, the Glaxo Group acquired the Wellcome Group and GlaxoWellcome plc was created, with Korea Glaxo becoming a 100% locally invested corporation and renamed '한국그락소웰컴'; in 1996, SmithKline Beecham Korea began sales of pharmaceuticals/vaccines/consumer divisions; in 2000, GlaxoWellcome and SmithKline Beecham merged to form GlaxoSmithKline (GSK) plc; in 2001, 한국 그락소웰컴 took over the business of SmithKline Beecham Korea and changed its name to '글락소스미스클라인' (August), and took over Block Drug Korea's business (December); in 2010, it signed a comprehensive business alliance with Dong-A Pharmaceutical; in 2015, it acquired Novartis's vaccine business and established the 'GSK Consumer Healthcare' joint venture; in 2018, it bought Novartis's 36.5% stake in the GSK Consumer Healthcare joint venture for £9.2 billion (GSK 100% ownership); in 2019, it completed the acquisition of US oncology specialist Tesaro; and in 2022, GSK Consumer Healthcare Korea was spun off and Haleon launched. The site also states that GSK Korea operates two legal entities in the country — GSK Korea and GSK Consumer Healthcare Korea — and that 475 people work at its Korean headquarters and regional offices.

Products and positioning

Biopharma affiliate prioritizing innovation in specialty medicines and vaccines to prevent and treat disease.

  • Specialty medicines

    GSK's specialty medicines prevent and treat diseases ranging from asthma and cancer to HIV and autoimmune diseases such as lupus.

  • Vaccines

    GSK's vaccine portfolio is described as one of the broadest in the industry, supplying hundreds of millions of doses annually and targeting infectious diseases across life from birth to adulthood.

  • General medicines

    General medicines are mainly prescribed by general practitioners in primary care or community hospitals, including inhalers for asthma and COPD and antibiotics.

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