Real estate services; realty services; real estate agencies; real estate agents services; estate agency services; real estate brokers; brokerage services; brokerage of real estate; management of real estate; real estate administration; rent collection services; property management; property portfolio management; leasing services; licensing of real property; valuation services; appraisal of real estate; real estate acquisition (for others); acquiring and managing real estate for investors; provision of real estate sales information and analysis; research services relating to real estate; providing information (including on-line) about financial and real estate affairs; advisory and consultancy services relating to real estate; provision of real estate information including real estate listings via a website or online database