The London Stock Exchange is located in London, UK and was founded in 1801. It began as brokers and dealers congregating in coffee houses to trade shares and has grown to be one of the largest stock exchanges in the world. The London Stock Exchange has two main markets - the premium listed Main Market that caters to large companies, and the Alternative Investment Market for smaller companies. It lists over 3,000 companies and has a total market capitalization in excess of $10 trillion making it the largest stock exchange in Europe.