You can join the Communist Party online here.
The CP membership form can be downloaded and printed off. When completed, post to CP Central Office, Ruskin House, 23 Coombe Road, London CR01BD. When it is received, your contact details will be supplied to the relevant local branch, district or nation secretary. We won't claim on your direct debit until you've been admitted to membership.
If you have any queries about joining check out our FAQ section.