This document provides statistics on small and medium sized enterprises (SMEs) in the UK in 2013. Key points: - SMEs accounted for 99.9% of all private sector enterprises, 59.3% of private sector employment, and 48.1% of private sector turnover. - Enterprises consisting of sole proprietors represented 75.3% of all enterprises, 16.6% of employment, and 6.4% of turnover. - Small enterprises alone made up 99.2% of all enterprises and accounted for 47% of employment and 33.1% of turnover.