The Dar Group is an international network of professional service firms that provides planning, design, engineering and project management services. In 2018 it operates in over 100 countries worldwide and employs over 17,000 staff. UK based subsidiaries with offices in London and the southeast that will be housed in the new HQ facility include Dar Al-Handasah (UK), Currie and Brown, Perkins+Will, the Penspen Group, Elementa, Maffeis, IPA Advisory and PFAL.