United Kingdom Standard Industrial Classification of Economic Activities

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The United Kingdom Standard Industrial Classification of Economic Activities (UKSIC) is a Standard Industrial Classification that is intended to help classify businesses according to the type of their economic activity. One or more SIC codes can be attributed to a business. SIC codes identify what a business does.

Over time there have been several different SIC systems used in the UK, with versions published in 1958, 1968, 1980, 1992, 1997, 2003 and 2007. These taxonomies have been adapted to cope with the changes in UK industry, The 1980 system was far more detailed in manufacturing, while the 2007 system is much stronger in the IT sector. Many companies still use the 2003 codes which were the 1992 system updated slightly. However, the very latest version is the 2007 SIC system^[1][2]