Cabinet Office

United Kingdom government ministerial department

The Cabinet Office (CO) supports the Prime Minister and Deputy Prime Minister, and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for government, in partnership with HM Treasury, and takes the lead in certain critical policy areas.

Agency overview
Headquarters70 Whitehall
Minister responsible
  • Minister for the Cabinet Office


Minister Portfolio
Prime Minister/Civil Service Minister *Head of the UK government and ultimately responsible for the policy and decisions of the government
*Oversees the operation of the Civil Service and government agencies
*Appoints members of the government
*Is the principal government figure in the House of Commons
*Responsible for regulating the Civil Service
*Delegates power to other ministers
Deputy Prime Minister Deputy head of the UK government
*Supports the Prime Minister on the full range of government policy and initiatives
*Implementing the government’s strategy to increase social mobility
*Overseeing the government’s drive to rebalance the economy
*Leading the government’s political and constitutional reform agenda
*Chairing the Home Affairs Committee, co-chairing the Coalition Committee and deputy-chairing the National Security Council
*Building strategic relationships in Europe and across the world
Minister for the Cabinet Office *Overall responsibility for the policy and work of the Cabinet Office
*Public sector efficiency and reform
*Civil Service issues
*Industrial relations strategy in the public sector
*Government transparency
*Civil contingencies
*Civil society
*Cyber security
*UK statistics
Minister for Civil Society *Public sector efficiency and reform, including transparency and fraud, error and debt
*Volunteering, the Big Society agenda and charities
*Social investment and enterprises
*Reforming public bodies
Minister for Government Policy *Developing government policies with the Cabinet Office, as set out in the ‘programme for government’
*Implementing the departmental business plans
Minister for Political & Constitutional Reform *Cyber security
*Civil contingencies
*Working with the Minister for the Cabinet Office on public sector efficiency and reform

The Cabinet Office is a department of the Government of the United Kingdom works for supporting the prime minister and Cabinet of the United Kingdom. It is made of many units that support Cabinet committees. Staff working in the Prime Minister's Office are part of the Cabinet Office.[1]


  1. "Cabinet Office, About Us". HM Government. Retrieved 29 March 2020.