Allergan Pharmaceuticals Ireland, a subsidiary of Allergan plc., is based in Westport, Co. Mayo. Established in 1977, the current facility has grown to over 750,000 sq. ft on a 61-acre campus. The Westport Campus is a Sterile Pharmaceutical Ophthalmic and Biologics plant.
The state-of-the-art Manufacturing, Filling & Packaging operation, producing close to 800 million units of product on an annual basis. The campus also accommodates Chemistry, & Microbiology laboratories and some R&D support activities employing over 300 highly experienced science graduates.