From 1st October 2011, Companies House will adopt the 2007 version of the UK SIC (standard industrial classification) codes. The UK SIC codes are used to classify company business activities.  All companies filing an Annual Return with a made up date on or after 1st October 2011 will need to use the new 5 digit codes.  When filing your Annual Return via WebFiling you will be asked to select a new 5 digit SIC code. A SIC code conversion table is available from Companies House. Also Companies House have published a full list of the 2007 SIC codes.

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