How can you ensure good effort-estimation for your project, without access to affordable historical project data? Since 1997, ISBSG has been the source of: information, best practices and trustworthy, independent project data for the benchmarking of IT projects. ISBSG’s data repository increases in size, each year, with the addition of new project data. Furthermore, in order to promote a culture of benchmarking, ISBSG generated the ISO 29155 of standards. Since 2013, ISBSG has also hosted annual “IT Confidence” conferences. GUFPI-ISMA (Italian Software Metrics Association) joined ISBSG from its inception. GUFPI-ISMA offers free access to ISBSG’s Productivity Data Quality tool, to subscribing members.