Arup is a global professional services firm headquartered in London, United Kingdom which provides engineering, design, planning, project management and consulting services for all aspects of the built environment. The firm is present in Africa, the Americas, Australasia, East Asia, Europe and the Middle East, and has over 16,000 staff based in 92 offices in 37 countries. Arup has participated in projects in over 160 countries. Arup has no shareholders or external investors, and is owned wholly by trusts whose beneficiaries are its past and present employees who receive a share of the firm's operating profit each year.