The story
It was founded on 13 November 1924 in India under the name of H.J.Foster & Co. Limited as an Agency House for distributing Baby Food Glaxo, Joseph Nathan & Co. In 1950, it changed its name to Glaxo Laboratories (I) Ltd.
From Wikipedia’s article on GlaxoSmithKline Pharmaceuticals, shared under CC BY-SA 4.0.3