Cabinet of Britain

The Cabinet of the United Kingdom is the collective decision-making body of Her Majesty's Government of the United Kingdom, composed of the Prime Minister and 21 cabinet ministers, the most senior of the government ministers. The Cabinet is the ultimate decision-making body of the executive within the Westminster system of government in traditional constitutional theory.

The Cabinet is the executive committee of Her Majesty's Privy Council, a body which has legislative, judicial and executive functions, and whose large membership includes members of the Opposition.