“…Young companies face considerable limitations of financial resources; for this reason, the ability to attract financial resources often becomes the guarantee of success and growth of young companies. In this context, the insufficient knowledge about the unicorns (private companies funded from external sources and with at least 1 billion market value [ 17 ]) and their ability to grow from small companies to giant worldwide unicorns are mysterious for the researchers, as most of such companies fail because of the fast growth and the lack of resources during the first years since their establishment (based on different authors the failure rate is 2/3 rds [ 18 ] or 8 out of 10 [ 19 ] companies). The lifecycle of these companies is short [ 20 ], and being private results the high uncertainty and data limitation for the analysis of the unicorns.…”