British government
The British government was the governing body of the United Kingdom. It was formally known as Her Majesty's Government or His Majesty's Government.
The government was head by the Prime Minister of the United Kingdom who was elected by a democratic vote. The Prime Minister and other ministers formed the cabinet who operated from the Houses of Parliament. (DW: Aliens of London, NA: The Plotters)
In the 1950s, the British government created Department C19. (MA: The Scales of Injustice)
In the 1970s, the British government sponsored the Inferno Project. (DW: Inferno)
The Master used technology and hypnosis to be elected Prime Minister of the British Government. (DW: The Sound of Drums)
In September 2009, the British government sought to placate the 456 and destroy Torchwood Three to prevent them from interfering. (TW: Children of Earth)
In 2050, the British Government was somehow taken over by a Korven called Lomax who turned it into a corrupt, totalitarian government in preparation for the pending Korven invasion. By this time, government agencies MI5 and MI6 appear to have merged together to form The Department. [source needed]
The Doctor had a long-standing connection with the British Government, consorting with monarchs (DW: The Beast Below), Prime Ministers (DW: The Christmas Invasion), and other members (DW: The Claws of Axos).