We are one of the world's leading research-based pharmaceutical and healthcare companies, developing and supplying medicines to help people to do more, feel better and live longer.
Find out all about our UK business - including how and where we operate and what research we are doing - as well as information about our work with patient groups, healthcare professionals and charities.
We are a leading healthcare company that helps people to do more, feel better and live longer. Learn more about our mission and our products.
We have several locations in the UK, including our global headquarters in Brentford. Find out more about our UK sites.
GlaxoSmithKline is a global company, with sites in over 100 countries - find out about our worldwide operations
Disclosure of payments that GSK makes to external partners, and information on how we disclose results of clinical trials and work with patient groups
Find out about our key achievements since we became GlaxoSmithKline in 2001