DAR is the founder of the Sidara Group a multidisciplinary pure engineering design firm with 19,850 engineers, 308 offices in 60 countries and an annual revenue of $USD 2.4 billion. DAR has been ranked in the top 10 of the international design firms for over a decade. DAR has serviced over 950 Clients in 60 countries, with a total of more than 4,000 completed projects and a construction cost of executed projects of around USD$ 300 billion (excluding projects that were only designed or planned. These are constructed ones