Doozer is an online software platform that makes interior refurbishment and modernisation of flats possible in a time- and cost-minimised manner for capital investors, managers and housing companies. Doozer is thus the first sustainable platform for cloud-based end-to-end processing of professional modernisation measures. The company’s customers include capital investors, small, medium and large property owners, housing companies, property managers, asset management companies, cooperatives and municipalities. In total, Doozer currently manages the refurbishment and modernisation contracts of several hundred thousand residential units.