GSK
GSK plc (formerly GlaxoSmithKline) is one of the world’s leading research-based pharmaceutical and biotechnology companies, formed in 2000 through the merger of Glaxo Wellcome and SmithKline Beecham. The company focuses on the research, development, and manufacture of vaccines, specialty medicines, and general medicines, employing approximately 70,000 people across more than 70 countries worldwide. GSK plc is headquartered in Brentford, west London, and is listed on the London Stock Exchange under the ticker GSK and on the New York Stock Exchange as GSK. Quick Facts Head Office Address GSK plc, 980 Great West Road, Brentford, Middlesex, TW8 9GS, United Kingdom Head Office Phone Number +44 (0)20 8047 5000 Customer / Patient Enquiries +44 (0)20 8047 5000 Customer Service Email uk.response@gsk.com Official