The following TUC member organisations are listed alphabetically by acronym. Previous years' membership figures are available from Trade Union Membership from data.gov.uk.
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You can also download a copy of 'Trade Unions at Work' [pdf]. This pamphlet explains how unions work in modern Britain: the job they do for their members; the way they help boost business; and how they help make Britain a better place to live and work.
Whilst TUC unions represent the vast majority of trade unionists in Britain there are a number of unions that are not affiliated. Most of these are small organisations representing specialist staff and in many cases employees of a particular organisation, there are however some substantial organisations which are outside the TUC. These include the Police Federation, which is barred by law from affiliating to the TUC. The government appointed Certification Officer maintains a list of all unions and employers organisations.