This document summarizes research on "Millennial 2000" firms in the UK - those established in 1998 that were still in business in 2014. Of the original 240,000 firms started in 1998, only about 26,000 (11%) remained in 2014. The research focuses on 1,230 of these firms that created 40 times as many jobs as their original size and 1,131 firms that generated 80 times their original sales levels. These "Millennial 2000" firms now employ around 110,000 people and generate £16 billion in annual sales. The document outlines preliminary findings from a survey of 219 of these firms, including that over half are family businesses, about half export internationally, and they relied heavily on bank financing and advice from