Includes the Thatcherites and Cornerstone Group

Strongly allied with the trade union movement

Influenced by the Orange Book (2004)

Fourth biggest party in the House of Commons

Largest Party in Scottish Parliament

Name often mistranslated as 'ourselves alone'

Favours Welsh Independence

Founded in 1970 by former members of the Republican Labour Party

Aims to break down divisions between Catholics and Protestants in Northern Ireland

Formerly known as the 'Ecology Party'

Led by George Galloway

Unionist party in Northern Ireland with links to the UK Conservatives

Opposed to the St Andrews agreement

Eurosceptic

Anti-Immigration and 'Third Position' Economics