Real estate affairs, namely, real estate valuations; brokerage of real estate, namely, real estate brokerage; management of real estate and portfolios of real estate, namely, real estate management services; real estate consultation, namely, consultancy for others regarding the maintenance and management as well as the implementation and structuring of the purchase and sale of real estate and real estate portfolios; consultancy in the field of real estate investments; trusteeships, namely, tr...