![]() Promethera Biosciences Promethera Biosciences is a healthcare company developing cell therapy technologies for chronic liver diseases. | ![]() Gilead Sciences Gilead Sciences is a research-based biopharmaceutical company focused on the discovery, development, and commercialization of medicines. | ![]() Allergan Allergan is a healthcare company focused on developing, manufacturing, and commercializing branded pharmaceutical, device, biologic, surgical, and regenerative medicine products. | |
Founding Date | Founding Date 2009 | Founding Date 1987 | Founding Date 1948 |
Type | Type Subsidiary | Type Public | Type Subsidiary |
Tags | |||
Locations | Locations Mont-Saint-Guibert, BE HQ Charleroi, BE Ganshoren, BE Chuo City, JP Chuo City, JP Basel, CH Durham, US see more | Locations Foster City, US HQ Buenos Aires, AR Melbourne, AU Wien, AT Machelen, BE São Paulo, BR Edmonton, CA see more | Locations Dublin, IE HQ Buenos Aires, AR Roseville, AU Machelen, BE Guarulhos, BR Las Condes, CL Bogotá, CO see more |
Employees | Employees 185% decrease | Employees 18,0006% increase | Employees 10,5471% decrease |
Operating ⚠ | |||
Countries | Countries N/A | Countries 35 (FY, 2021) | Countries 100 (Q1, 2020) |

Gilead Sciences is a research-based biopharmaceutical company focused on the discovery, development, and commercialization of medicines.
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Allergan is a healthcare company focused on developing, manufacturing, and commercializing branded pharmaceutical, device, biologic, surgical, and regenerative medicine products.
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