| GSK plc | |
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Head office in Brentford, London with the former GlaxoSmithKline logo, taken in July 2007 | |
| Formerly | GlaxoSmithKline (2000–2022) |
| Type | Public |
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| Headquarters | |
Area served | Worldwide |
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Number of employees | 70,000 (2025) |
| Website | www |
GSK plc, which used to be called GlaxoSmithKline plc. It is a multinational drug and biotechnology company with global headquarters in London, It is the is the tenth largest drug company.
It was started in 2000 when Glaxo Wellcome and SmithKline Beecham joined together. Its market capitalisation was £60 billion in May 2023.