| Conservative Party | 99 | 26 | 0 | — |
| The Labour Party | 99 | 22 | 0 | — |
| UK Independence Party (UKIP) | 50 | 9 | 0 | — |
| Plaid Cymru - The Party of Wales | 58 | 6 | 0 | — |
| Scottish Green Party | 50 | 6 | 0 | — |
| Green Party | 35 | 2 | 0 | — |
| Scottish National Party | 69 | 1 | 0 | — |
| Liberal Democrats | 91 | 1 | 0 | — |
| Communist Party of Britain | 19 | 0 | 0 | — |
| Independent | 5 | 0 | 0 | — |
| National Front | 2 | 0 | 0 | — |
| People First - Gwerin Gyntaf | 5 | 0 | 0 | — |
| RISE - Respect, Independence, Socialism and Environmentalism | 30 | 0 | 0 | — |
| Scottish Libertarian Party | 2 | 0 | 0 | — |
| Solidarity - Scotland's Socialist Movement | 30 | 0 | 0 | — |
| The House Party - Homes For Londoners | 1 | 0 | 0 | — |
| The Official Monster Raving Loony Party | 29 | 0 | 0 | — |
| The Respect Party | 11 | 0 | 0 | — |
| Trade Unionist and Socialist Coalition | 19 | 0 | 0 | — |
| Vapers in Power | 1 | 0 | 0 | — |
| Abolish The Welsh Assembly Party | 19 | 0 | 0 | — |
| Women`s Equality Party | 25 | 0 | 0 | — |
| Animal Welfare Party | 7 | 0 | 0 | — |
| Association of Welsh Local Independents | 6 | 0 | 0 | — |
| Britain First | 11 | 0 | 0 | — |
| British National Party | 12 | 0 | 0 | — |
| British Unionist Party - B.U.P. | 2 | 0 | 0 | — |
| Christian Party "Proclaiming Christ's Lordship" | 12 | 0 | 0 | — |
| Christian Peoples Alliance | 11 | 0 | 0 | — |
