NUMEN Real Estate - Would you like to sell your apartment building, property or house in Vienna? Arrange your personal and non-binding appointment now. We buy directly. is located in Wien, Austria on Bäckerstraße 3. NUMEN Real Estate - Would you like to sell your apartment building, property or house in Vienna? Arrange your personal and non-binding appointment now. We buy directly. is rated 5 out of 5 in the category investment company in Austria.