ASOS is an online fashion retailer founded in 2000 in the UK that has since expanded internationally. It launched on the London Stock Exchange in 2001. By 2010, ASOS had sites in the US, Germany, France and other countries. In 2011, ASOS launched its marketplace platform. Today, ASOS aims to be the leading online fashion retailer for men and women ages 16-34 globally through its website and mobile apps in over 200 countries. It offers over 850 established and own brands across various fashion categories.