Company registration and filing – guidance

Standard industrial classification of economic activities (SIC)

A condensed list of SIC codes for providing Companies House with a description of your company's nature of business.


Find your trade description or nature of business

Condensed SIC list

Condensed SIC list in CSV format

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Companies House uses a condensed version of the full list of codes available from the Office of National Statistics (ONS).

Only use SIC codes on the condensed list when filing to Companies House or your filing may be rejected.

This publication shows a condensed list of the ONS codes used to classify business establishments and other standard units by the type of economic activity in which they’re engaged.