What are the 5 major parties in the house of commons?

The five major parties in the UK House of Commons are the Conservative Party, Labour Party, Scottish National Party (SNP), Liberal Democrats, and Democratic Unionist Party (DUP). The Conservative Party and Labour Party are the two largest, typically dominating British politics. The SNP primarily represents Scottish interests, while the Liberal Democrats advocate for progressive policies across the UK. The DUP focuses on issues important to Northern Ireland, particularly in relation to unionism.