Inne partie Partie skrajnej lewicy Alliance for Green Socialism Alliance for Workers Liberty Communist Party of Britain Communist Party of Britain (Marxist-Leninist) Communist Party of Great Britain (Marxist-Leninist) Communist Party of Great Britain (PCC) Independent Working Class Association International Socialist Group New Communist Party of Britain Respect Party Revolutionary Communist Group Socialist Alliance Socialist Appeal Socialist Labour Party Socialist Party Socialist Party of Great Britain Socialist Workers Party Spartacist League Workers Power
Partie regionalne Clannasaor (na rzecz szkockiej niepodległości) Communist Party of Scotland Cornish Nationalist Party (kornwalijscy sececjoniści) Cymru Annibynnol (na rzecz walijskiej niepodległości) Cymru Goch (na rzecz szkockiej niepodległości) English Democrats Party Epsom & Ewell Residents and Ratepayers' Association (lokalna w Epsom and Ewell) Free Scotland Party (na rzecz szkockiej niepodległości) Heald Green Ratepayers (lokalna w Stockport) Independent Kidderminster Hospital and Health Concern Isle of Wight Party Left Alliance (lokalna w Fife) Mebyon Kernow (kornwalijscy secesjoniści) Northern Ireland Unionist Party Northern Ireland Women’s Coalition Scottish Enterprise Party Scottish Fishing Party Scottish Independence