Arup (Arup Group Limited) is a multinational professional services firm headquartered in London which provides engineering, design, planning, project management and consulting services for all aspects of the built environment. Founded by Sir Ove Arup in 1946, the firm has over 14,000 staff based in 92 offices across 35 countries, and is present in Africa, the Americas, Australasia, East Asia, Europe and the Middle East. Arup has participated in projects in over 160 countries.