Stallergenes Greer

Headquartered in London, Stallergenes Greer plc is a global biopharmaceutical company specialising in the diagnosis and treatment of allergies through the development and commercialisation of allergy immunotherapy products and services.

Formed by the merger in 2015 of the two companies that make up its name - the former based in France, the latter in the US - Stallergenes Greer has centres in 29 countries and manufacturing facilities in both Europe and the USA.