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 Group 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. And
Career Opportunity at Glaxosmithkline (GSK), Wednesday 28, September 2016