A startup or start-up is a company or project initiated by an entrepreneur to seek, effectively develop, and validate a scalable business model. While entrepreneurship refers to all new businesses, including self-employment and businesses that never intend to become registered, startups refer to the new businesses that intend to grow large beyond the solo founder. Startups face high uncertainty and have high rates of failure, but a minority of them do go on to be successful and influential. Some startups become unicorns, i.e. privately held startup companies valued at over US$1 billion. Source: Wikipedia