Boeing United Kingdom Limited is a subsidiary of The Boeing Company that operates in the United Kingdom and Ireland, focusing on commercial, defence, and global services. It provides maintenance, support, training, and engineering services for Boeing platforms like Apache helicopters, Chinook, C-17, and P-8A used by the British Armed Forces, alongside commercial aviation support. With over 4,000 employees across more than 30 UK locations, it represents Boeing's largest European base.