WISO property manager 2020 Start WISO Hausverwalter is the optimal partner to handle property management reliably and in a legally compliant manner. With WISO Property Manager 2020 Start you manage up to 10 residential units. The program offers all important management functions in an easy to use, comfortable working environment. Numerous assistants support you in your work. Step by step the program requests all necessary information. This way, you can be sure that you do not miss or forget anything in case of important contractual changes (e.g. change of tenant) or accounting. Professional. Whether you manage your own properties or those of others, WISO property management offers everything in one program. Commercial properties subject to value-added tax are processed in the same way as multi-family houses or granny flats in ones own house. Comfortable. Make bookkeeping childs play: Practical functions such as automatic debit positions, open item management or integrated online ...