| name | alignment | date dissolved | date founded | city Headquarters | administrative division Headquarters | country Headquarters | continent Headquarters | Country | continent | Website | number of members | short name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| International Federation of Liberal Youth | 1979 | 1947 | London | England | United Kingdom | Europe | United Kingdom | Europe | Website | |||
| Respect Party | Far-left politics | 18/08/2016 | 25/01/2004 | Manchester | England | United Kingdom | Europe | United Kingdom | Europe | Website | 640 | Respect |
| English Democrats | 2007 | Chipping Ongar | England | United Kingdom | Europe | United Kingdom | Europe | Website | 2,500 | |||
| Campaign for a More Prosperous Britain | circa 1982 | 1974 | Manchester | England | United Kingdom | Europe | United Kingdom | Europe | Website | |||
| Workers' Socialist League | 1984 | 1974 | London | England | United Kingdom | Europe | United Kingdom | Europe | Website |