Join the Socialist Equality Party

A political party of and for the working class.

Apply to join

Membership in the Socialist Equality Party is based on agreement with the Statement of Principles.

To apply to join, please complete the contact form with your full details (email, phone and address,) and tick the box marked “I would like to join the SEP”.

About us

The Socialist Equality Party is the British section of the International Committee of the Fourth International. The ICFI is the leadership of the world socialist movement, the Fourth International, founded by Leon Trotsky in 1938. The ICFI publishes the World Socialist Web Site.

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