Labour Party

Scottish Parliament
Scottish Conservatives | Scottish Greens | Scottish Labour | Scottish Liberal Democrats | Scottish National Party

National Assembly for Wales
Welsh Conservatives | Welsh Labour | Welsh Liberal Democrats | Plaid Cymru | United Kingdom Independence Party

Northern Ireland Assembly
Alliance | Democratic Unionist Party | Greens (NI) | Independent Unionists | People Before Profit | Sinn Féin | Social Democratic and Labour Party | Traditional Unionist Voice | Ulster Unionist Party

Other national and regional parties
Christian Peoples Alliance • Change UK – The Independent Group • Christian • Communist • Éirígí • English Democrats • IKHH • IWCA • Liberal • Mebyon Kernow • National Front • Official Monster Raving Loony • Progressive Unionist • Republican Sinn Féin • Scottish Socialist • Social Democratic • Socialist Labour • Socialist • Socialist Workers • Solidarity • Workers (Ireland)