The document summarizes a European project called Plan4Business that aims to develop an online platform for aggregating, processing, and analyzing urban and regional planning data across Europe. The platform will integrate planning data from local to European levels and provide analysis and visualization tools. It seeks to make European cities and regions more attractive and competitive by providing access to harmonized planning data and analyses. A consortium of 6 partners from 6 countries is working on the 24-month project funded by the European Union.