List of political parties in the United Kingdom by representation
Party Founded First represented Last represented Dissolved Maximum representation MEPs
British National Party 1982 2009 2014 N/A 2 ( 2009 ) Andrew Brons ; Nick Griffin
Brexit Party 2019 2019 2020 N/A 23 ( 2019 ) List
Change UK - The Independent Group 2019 2019 2019 N/A 1 ( 2019 ) List
Conservative Party 1835 1979 2020 N/A 60 ( 1979 )
Democratic Unionist Party 1971 1979 2020 N/A 1 ( 1979 ) Jim Allister ; Diane Dodds ; Ian Paisley
Green Party of England and Wales 1973 1999 2020 N/A 3 ( 2014 ) Jean Lambert ; Caroline Lucas ; Keith Taylor ; Molly Scott Cato
Independent Labour Network 1999 1999 1999 2003 1 ( 1999 ) Ken Coates
Labour Party 1906 1979 2020 N/A 62 ( 1994 )
Liberal Democrats 1988 1994 2020 N/A 12 ( 2004 )
Libertarian Party 2007 2018 2019 N/A 1 ( 2019 ) Bill Etheridge
Plaid Cymru 1925 1999 2020 N/A 2 ( 1999 ) Jillian Evans ; Eurig Wyn
Pro-Euro Conservative Party 1999 1999 1999 2001 2 ( 1999 ) Brendan Donnelly ; John Stevens
Scottish National Party 1934 1979 2020 N/A 2 ( 1994 ) Winifred Ewing ; Ian Hudghton ; Allan Macartney ; Neil MacCormick ; Alyn Smith
Scottish Socialist Party 1998 1998 1999 N/A 1 ( 1998 ) Hugh Kerr
Sinn Féin 1905 2004 2020 N/A 1 ( 2004 ) Bairbre de Brún ; Martina Anderson
Social Democratic and Labour Party 1970 1979 2004 N/A 1 ( 1979 ) John Hume
Social Democratic Party 1981 1984 1984 1988 1 ( 1984 ) Michael Gallagher
Social Democratic Party ( 1990-present ) 1990 2018 2019 N/A 1 ( 2018 ) Patrick O'Flynn
Traditional Unionist Voice 2007 2007 2009 N/A 1 ( 2007 ) Jim Allister
United Kingdom Independence Party 1993 1999 2019 N/A 24 ( 2014 )
European Parliament
This is a list of political parties in the United Kingdom, by their historic representation in elected bodies.