GlaxoSmithKline plc (GSK) is a British multinational pharmaceutical, biologics, vaccines and consumer healthcare company which has its headquarters in Brentford, London.
GlaxoSmithKline plc (GSK) is a British multinational pharmaceutical, biologics, vaccines and consumer healthcare company which has its headquarters in Brentford, London. As of March 2014, it was the world's sixth-largest pharmaceutical company after Johnson & Johnson, Novartis, Hoffmann-La Roche, Pfizer, and Sanofi, measured by 2013 revenue. The company was established in 2000 by the merger of Glaxo Wellcome (formed from the acquisition of Wellcome plc by Glaxo plc) and SmithKline Beecham plc (formed from the merger of Beecham plc and SmithKline Beckman Corporation, which in turn was formed by combining the Smith Kline French and Beckman companies).
The company has a primary listing on the London Stock Exchange and is a constituent of the FTSE 100 Index. As of 2 May 2014 it had a market capitalisation of £79 billion, the fourth-largest of any company listed on the London Stock Exchange. It has a secondary listing on the New York Stock Exchange. Andrew Witty has been the chief executive officer since May 2008.
GSK manufactures drugs and vaccines for major disease areas such as asthma, cancer, infections, diabetes, digestive and mental health conditions, the biggest selling of which were Advair, Avodart, Flovent, Augmentin, Lovaza, and Lamictal in 2013. Many medicines were historically discovered or developed at GSK and its predecessor companies and are now sold as generics. Its drugs and vaccines earned £21.3 billion in 2013. Its consumer healthcare division, which earned £5.2 billion in 2013, sells oral healthcare and nutritional products, drinks and over-the-counter medicines, including Sensodyne, Boost and Horlicks.