Real estate development, real estate management, consultancy services relating to real estate management of buildings; agent or intermediary for leasing of buildings; leasing of buildings; buying and selling of buildings; agent or intermediary for buying and selling of buildings; management of land; agent or intermediary for leasing of land; leasing of land; buying and selling of land; agent or intermediary for buying and selling of land; planning, guidance and advice on effective utilization of buildings and land, and provision of information related thereto; advice and provision of information related to management, leasing and buying and selling of buildings or land; leasing of space within buildings; leasing of commercial buildings and land; provision of information on buildings or land.