rental and brokerage of apartment, condominiums, timeshare properties, interval ownership properties, commercial premises, shopping centers, shopping malls and real estate; real estate licensing; leasing of real estate property; real estate appraisal; real estate consultancy; valuation of real estate; provision of information in the field of real estate brokerage of timeshare properties, commercial premises, shopping centers and shopping malls; consultancy and advisory services relating to all timeshare properties, commercial premises, shopping centers and shopping malls, namely, real estate consultation