Real estate advisory services, including property information services, valuation services, searching services, leasing services, syndication services, acquisition settlement services and consultation services; representing purchasers of real estate as intermediary, agent or advocate; search, selection and acquisition of real estate on behalf of others; identifying potential properties, negotiating the acquisition of properties and bidding at auctions on behalf of others; research services relating to real estate; provision of information, including on-line, in relation to real estate and the purchase of real estate; referrals of prospective vendors of real estate to estate agents