SIC code 9120 — Activities of trade unions — is a UK Standard Industrial Classification code. It falls under Section O (Other community, social and personal service activities) of the UK SIC 2007 classification system.
SIC code 9120 stands for "Activities of trade unions" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section O — Other community, social and personal service activities. Companies use this code when registering with Companies House to indicate their primary business activity.
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Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. SIC classification follows the UK Standard Industrial Classification of Economic Activities 2007 (SIC 2007). Last updated: 2026-04-05.