Contesting political parties
- Abolish the Welsh Assembly Party
- Advance Together
- Alba Party
- Alliance
- Alliance for Democracy and Freedom
- Alliance for Green Socialism
- Alliance for Workers' Liberty
- All People's Party
- All The South Party
- Alter Change - Politics. Only Different.
- Al-Zebabist Nation of Ooog
- Animal Protection Party
- Animal Welfare Party
- Anticapitalists - Workers Power
- Aontú
- Apni Party
- Apolitical Democrats
- Ashfield Independents
- A Vote Against MP Expense Abuse
- Beer, Baccy and Scratchings
- Best of a Bad Bunch
- Better for Bradford
- Birkenhead Social Justice Party
- Blaenau Gwent People's Voice
- Blue Environment Party
- Blue Revolution
- Bournemouth Independent Alliance
- British Democratic Party
- British Independents
- British National Party
- British Unionist Party B.U.P.
- Bromsgrove Independent Conservative
- Burnley and Padiham Independent Party
- Bushra Irfan of Blackburn
- Cambridge Socialists
- Campaign
- Campaign for Independent Politicians
- Cannabis Is Safer Than Alcohol
- Chesterfield And North Derbyshire Independents (CANDI)
- Children of the Atom
- Christian Movement for Great Britain
- Christian Party, Proclaiming Christ's Lordship
- Christian Peoples Alliance Party
- Church of the Militant Elvis Party
- Citizens for Undead Rights and Equality
- Citizens Independent Social Thought Alliance
- City Independents
- Class War
- Clause 28, Children's Protection Christian Democrats
- Climate Party
- Common Good Party
- Common Sense Party
- Communist Future
- Communist League Election Campaign
- Communist Party of Britain
- Communities United Party
- Compass Party
- Concordia
- Confelicity
- Consensus
- Conservative
- Count Binface Party
- Cross-Community Labour Alternative
- Cumbria First
- Cut The Deficit
- Democracy for Chorley
- Democratic Labour Party
- Democratic Nationalists
- Democratic Reform Party
- Democratic Unionist Party
- Demos Direct Initiative Party
- Digital Democracy
- Direct Democracy (Communist) Party
- English Constitution Party
- English Democrats
- English Independence Party
- Equal Parenting Alliance
- Europeans Party
- Fairer Voting Party
- Fancy Dress Party
- Fight For an Anti-War Government
- Freedom Alliance
- Freedom and Responsibility
- Free Public Transport Party
- Friends Party
- Get Snouts Out The Trough
- Give Me Back Elmo
- Greater Manchester Homeless Voice
- Green Party
- Green Party Northern Ireland
- Guildford Greenbelt Group
- Gwlad Gwlad
- Hampshire Independents
- Heavy Woollen District Independents
- Heritage Party
- Hoi Polloi
- Hugh Salmon for Battersea Party
- Humanity
- Impact Party
- Independence for Scotland Party
- Independence from Europe
- Independent Alliance (Kent)
- Independent Ealing Acton Communities Public Services
- Independent Kidderminster Hospital and Health Concern
- INDEPENDENT Leave-the-EU Alliance
- Independent Network
- Independent Oxford Alliance
- Independent People Together
- Independent Save Our Green Belt
- Independent Save Withybush Save Lives
- Independents Federation UK
- Independents for Bristol
- Independents for Direct Democracy
- Independent Sovereign Democratic Britain
- Independents to Save Queen Mary's Hospital
- Independent Voice for Halifax
- Integrity UK
- Islam Zinda Baad Platform
- Justice for Men & Boys
- Justice Party
- Keep It Real Party
- Kingston Independent Residents Group
- Labour
- Land Party
- Left Unity
- Liberal
- Liberal Democrat
- Libertarian Party
- Liberty GB
- Lincolnshire Independents
- Liverpool Community Independents
- Local Liberals People Before Politics Party
- Magna Carta Conservation Party Great Britain
- Mainstream
- Mansfield Independents
- Manston Airport Independent Party
- Matriarchal Party United Kingdom Great Britain
- Mebyon Kernow - The Party for Cornwall
- Medway Independent Party
- Middle England Party
- Money Free Party
- Money Reform Party
- Motherworld Party
- Movement for Active Democracy (M.A.D.)
- National Front
- National Health Action Party
- National Liberal Party - True Liberalism
- Nationwide Reform Party
- Newham Independents Party
- New Independent Centralists
- New Millennium Bean Party
- New Open Non-Political Organised Leadership
- Nobody Party
- No Candidate Deserves My Vote!
- Northampton - Save Our Public Services
- North of England Community Alliance
- Official Monster Raving Loony Party
- One Leicester
- Open Borders Party
- Party for a United Thanet
- Party of Women
- Patria
- Patriotic Socialist Party
- People Before Profit
- People Before Profit Alliance
- People First - Gwerin Gyntaf
- Peoples Party Essex
- Pirate Party UK
- Plaid Cymru
- Population Party UK
- Populist Party
- Portsmouth Independent Party
- Propel
- Proud of Oldham & Saddleworth
- Psychedelic Movement
- Putting Crewe First, Independent Residents Group
- Putting Croydon First!
- Rebooting Democracy
- Red Flag - Anti-Corruption
- Reduce Tax On Beer
- Reduce VAT in Sport
- Reform 2000 Party
- Reform UK
- Rejoin EU
- Renew
- Residents for Uttlesford
- Respect Party
- Restoration Party
- Restore the Family For Children's Sake
- Rochdale First Party
- Save Hartlepool Hospital
- Save King George Hospital
- Save Us Now
- Scotland Against Crooked Lawyers
- Scotland's Independence Referendum Party
- Scottish Family Party
- Scottish Green Party
- Scottish Libertarian Party
- Scottish National Party
- Scottish Socialist Party
- Scrap Members Allowances
- Shared Ground
- Shropshire Party
- Sinn Féin
- Social Democratic & Labour Party
- Social Democratic Party
- Socialist Alternative
- Socialist Equality Party
- Socialist Labour Party
- Social Justice party
- Solihull and Meriden Residents Association
- Something New
- Southampton Independents
- South Devon Alliance
- Southend Independent Association
- Sovereignty
- Space Navies Party
- Staffordshire Independent Group
- Stockport Fights Austerity No To Cuts
- Swale Independents
- Taking The Initiative Party
- Tamsin Omond to the Commons
- Tendring First
- The 30-50 Coalition
- The Above and Beyond Party
- The Best for Luton Party
- The Better Britain Party
- The Birthday Party
- The Brexit Party
- The Citizens Movement Party UK
- The Common People
- The Constitution and Reform Party
- The Cornish Democrats
- The Cynon Valley Party
- The Democratic Party
- The Eccentric Party of Great Britain
- The Evolution Party
- The Independent Group for Change
- The Independent Political Alliance Party
- The Joy of Talk
- The Justice & Anti-Corruption Party
- The Just Political Party
- The Macclesfield Independent
- The Magna Carta Party
- The Mitre TW9
- The New Party
- The New Society of Worth
- The North East Party
- The Northern Party
- The Party for Poole People Ltd.
- The Peace Party
- The Pilgrim Party
- The Pluralist Party
- The P.N.D.P.
- The Principles of Politics Party
- The Radical Party
- The Realists' Party
- The Republican Socialist Party
- The Roman Party. Ave
- The Science Party
- The Scottish Jacobite Party
- The Socialist Party of Great Britain
- The Southport Party
- The Sustainable Population Party
- The True English (Poetry) Party
- The UK Progressive Democracy Party
- The Universal Good Party
- The U(niversal) Party
- The Whig Party
- The Workers' Party
- The Yorkshire Party
- The Yoruba Party in the UK
- The Youth Party
- Touch Love Worldwide (UK)
- Trade Unionist and Socialist Coalition
- Traditional Unionist Voice
- Transform Party
- True & Fair Party
- Trust
- Ubuntu Party
- UK Independence Party
- UK Voice
- Ulster Unionist Party
- United Voice
- Unity for Peace and Socialism
- Vapers In Power
- Veterans and People's Party
- Virtue Currency Cognitive Appraisal Party
- Volt United Kingdom
- War Veteran's Pro-Traditional Family Party
- We Are The Reality Party
- Wessex Regionalists
- Women's Equality Party
- Workers Party of Britain
- Workers Revolutionary Party
- World Peace Through Song
- Wycombe Independents
- Yeshua
- Yorkshire First
- Young People's Party
- You Party
- Your Right To Democracy Party Limited