The Slough Trading Estate, founded in Slough in Buckinghamshire in 1920, is a business park in Britain. According to the estate's owners and operators, Segro, Slough Trading Estate consists of 2 km2 of commercial property. It provides 0.7 km2 of land to 500 businesses and has a working population of about 20,000 people. Slough Trading Estate is the largest industrial estate in single private ownership in Europe.