GlaxoSmithKline plc is a United Kingdom–based company operating in the healthcare sector, within the pharmaceutical and biotechnology industry. The company specializes in researching, developing and commercializing medicines, vaccines and health products aimed at preventing and treating a wide range of diseases.
It was established in 2000 through the merger of two major British companies — Glaxo Wellcome and SmithKline Beecham — in a strategic move to integrate complementary portfolios, expand scientific research capabilities and strengthen global competitiveness.
GSK’s portfolio includes innovative medicines in immunology, respiratory diseases, HIV, oncology and infectious diseases, as well as a broad range of vaccines used in public and private healthcare programs worldwide. The company also operates in consumer healthcare, though this area has undergone significant restructuring and partial separation in recent years.
GSK operates globally, maintaining a presence in more than one hundred countries, with research centers in Europe, North America and Asia, and manufacturing units dedicated to producing medicines and vaccines.
Its operational structure includes research hubs, clinical development units, manufacturing sites, commercial subsidiaries and partnerships with governments and scientific institutions.
Key market factors affecting the company include pharmaceutical innovation cycles, global health regulations, the evolution of infectious diseases, government vaccination programs, competition among global laboratories, clinical development costs and macroeconomic conditions.
GlaxoSmithKline plc is listed on the New York Stock Exchange (NYSE) under the ticker GSK.
History and when GlaxoSmithKline plc was founded
GlaxoSmithKline plc was founded in 2000 in London, United Kingdom, through the merger of Glaxo Wellcome and SmithKline Beecham. Its creation combined two companies with long historical backgrounds in the pharmaceutical sector — some dating back to the 18th century — to integrate scientific capabilities, expand production scale and strengthen global competitiveness.
During the 2000s, GSK consolidated its global footprint, expanded investments in vaccines and strengthened its presence in emerging markets, while reorganizing research priorities to focus on high-potential scientific programs.
In the 2010s, the company pursued strategic deals, restructured its consumer-health operations and established partnerships with biotechnology firms to accelerate development of vaccines and innovative therapies.
From 2020 to 2024, GSK reinforced its vaccine-development efforts, realigned its strategic focus toward immunology, HIV and infectious diseases, and refined its corporate structure following the separation of its consumer-health division.
The period was marked by increased investment in scientific innovation and expanded strategic collaborations.
Additional Information
The Company GlaxoSmithKline PLC (United States), is listed on NYSE with a market value of $ 99.25 Billions, having an equity of $ 21.29 Billions.
With a total of 90.090 employees, the company is listed in the sector of Health and categorized in industry of Pharmaceutical Products.
In the last 12 months the Company had a revenue of $ 42.36 Billions, which generated a profit in the amount of $ 7.30 Billions.
As for its main indicators, the Company has a P/E ratio of 13.60, a P/BV ratio of 4.66 and in the last 12 months the dividend yield of GSK was at 3.35%.
The Company is traded internationally through the ticker GSK.