4 dubai real estate sector some research results the contribution of and business services henceforth to non oil gdp was 10 in 2002 it grew by an annual average rate 7 during 1998 comprises firms that are primarily engaged renting or leasing others managing for selling buying providing other related such as consultancy matters including valuation land use urban planning corporate property investment most dominant brokerage management sale purchase lands least residential units on time sharing basis commercial complex shopping centres car park rental main clients order importance private individuals industrial companies retailers wholesalers government entities restaurants hotels respectively include investors seeking travel agencies airlines according dcci database there 1144 registered but active ones only 934 table 1