Biogen

Biogen is a global biopharma company and one of the world's first biotechnology firms.

The UK and Ireland headquarters in Maidenhead employs approximately 250 people across clinical operations, regulatory affairs, drug safety, and medical affairs.

The company develops and commercialises therapies for neurological, rare, and autoimmune diseases, with approved products including treatments for multiple sclerosis, spinal muscular atrophy, and Alzheimer's disease.