Parties
B
| Full Name | Short name | Notes |
|---|---|---|
| British Socialist Party | BSP | Formed 1911. Dissolved 1920. Preceded by Social Democratic Federation. Succeeded by Communist Party in Great Britain and National Socialist Party. |
| British Union of Fascists | BUF | Formed 1 October 1932. Dissolved 10 July 1940. Later known as British Union of Fascists and National Socialists (1936) and British Union (1937). Preceded by the New Party. Succeeded by the Union Movement. |