Parliament UK is a government administration company based out of 1 Parliament St, Westminster, London, United Kingdom. The Parliament of the United Kingdom is the supreme legislative body of the United Kingdom, the Crown Dependencies and the British Overseas Territories. It alone possesses legislative supremacy and thereby ultimate power over all other political bodies in the UK and the overseas territories. Houses: House of Commons; House of Lords Founded: 1 January 1801 Monarch Charles, King of the United Kingdom since 8 September 2022 Prime Minister Rishi Sunak, Conservative since 25 October 2022 Lindsay Hoyle since 4 November 2019 Lord Speaker The Lord McFall of Alcluith since 1 May 2021 Leader of the Opposition Keir Starmer, Labour since 4 April 2020 https://www.parliament.uk/business/commons https://www.parliament.uk/business/lords https://parliamentlive.tv/Commons https://www.parliament.uk/visiting https://twitter.com/UKParliament