* **Conservative Party**: Center-right party, currently in power, supports free market economy and traditional values.
* **Labour Party**: Center-left party, main opposition, supports social democracy and workers' rights.
* **Liberal Democrats**: Centrist party, supports liberal policies such as individual rights and environmentalism.
* **Scottish National Party**: Center-left party, advocates for Scottish independence and social democracy.
* **Democratic Unionist Party**: Right-wing party, represents unionist and Protestant interests in Northern Ireland.