It was the third largest pharma takeover of all time, surpassed only by the merger of Glaxo Wellcome and SmithKline Beecham in 2000 and Pfizer’s buyout of Warner Lambert. Those deals were worth ...

GlaxoSmithKline was formerly called GlaxoWelcome before its merger with U.S. pharmaceutical company SmithKline Beecham in 2000. The combination has made GlaxoSmithKline the 6th largest ...

Haleon was formed in July 2019 through the merger of GlaxoSmithKline’s (GB:GSK) and Pfizer’s consumer healthcare businesses. Subsequently, in July 2022, GSK spun off Haleon as an independent ...

Haleon was formed in 2019 by the merger of the consumer healthcare businesses of British pharmaceutical group GSK and US rival Pfizer, sitting as a joint venture within GSK. It was then spun out ...