Stallergenes Greer
Pharmaceutical ManufacturingZug, Switzerland1001-5000 Employees
Stallergenes Greer is a pharmaceutical manufacturing company headquartered in Baar, Switzerland, that operates in the allergy space. It develops and commercializes allergen immunotherapy (AIT) products and related diagnostic and treatment services. The company operates globally, with products available in about 45 countries and a workforce estimated between 1,000 and 5,000 employees, with manufacturing facilities in Europe and the United States. It has a history spanning more than 120 years of expertise in allergy care. In January 2026 it announced the acquisition of Entomon s.r.l. to expand venom immunotherapy production, and in June 2026 it disclosed expansions of manufacturing facilities in France as part of further European capacity growth.