GSK's head office, Isleworth , London TW8
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Public limited company | |
Traded as | : : GSK |
Industry |
Pharmaceutical Biotechnology Consumer goods |
Predecessor | Glaxo plc Wellcome plc Beecham Group plc Kline & French Beckman Companies Smith plc |
Founded | December 2000 |
Headquarters | Isleworth, London, England, U.K. |
Area served
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Worldwide |
Key people
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Products | Pharmaceuticals, vaccines, oral healthcare, nutritional products, over-the-counter medicines |
Revenue | £23.923 billion (2015) |
£10.322 billion (2015) | |
£8.372 billion (2015) | |
Number of employees
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96,575 (2015) |
Subsidiaries | Stiefel Laboratories |
Website | www |
GlaxoSmithKline plc (GSK) is a British pharmaceutical company headquartered in Brentford, London. Established in 2000 by a merger of Glaxo Wellcome and SmithKline Beecham, GSK was the world's sixth largest pharmaceutical company as of 2015, after Pfizer, Novartis, Merck, Hoffmann-La Roche and Sanofi.Andrew Witty has been the chief executive officer since 2008.
The company has a primary listing on the and is a constituent of the FTSE 100 Index. As of August 2016 it had a market capitalisation of £81 billion (around $107 billion), the fourth largest on the London Stock Exchange. It has a secondary listing on the .
GSK's drugs and vaccines earned £21.3 billion in 2013. Its top-selling products that year were Advair, Avodart, Flovent, Augmentin, Lovaza and Lamictal. GSK's consumer products, which earned £5.2 billion in 2013, include Sensodyne and Aquafresh toothpaste, the malted-milk drink Horlicks, Abreva for cold sores, Breathe Right nasal strips, Nicoderm and Nicorette nicotine replacements, and Night Nurse, a cold remedy. The company developed the first malaria vaccine, RTS,S, which it said in 2014 it would make available for five percent above cost. Legacy products developed at GSK include several listed in the World Health Organization Model List of Essential Medicines, such as amoxicillin, mercaptopurine, pyrimethamine and zidovudine.