This download is completely safe. Realworks BV is the developer of the tool that can be found in the Business category. This application was downloaded and installed by over 10 users and its most recent stable release was on Feb 22, 2017.
Get the installer of Groot & Nieuweboer Makelaardij 2.6 for free and take a look at users' reviews on Droid Informer. The app works flawlessly on Android 4.4 and higher.