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The classification provides a framework for the collection, tabulation, presentation and analysis of data, and its use promotes uniformity.

In addition, it can be used for administrative purposes and by non-government bodies as a convenient way of classifying industrial activities into a common structure.

Since 1948 the classification has been revised in 1958, 1968, 1980, 1992, 1997, and 2003.

For help and enquiries please contact:

Email: Classifications.Helpdesk@ons.gsi.gov.uk

Tel: +44 (0)1329 444970

Office for National Statistics
Classifications and Harmonisation Unit
Government Buildings
Cardiff Road
South Wales
NP10 8XG