What we do

We support the Prime Minister and Deputy Prime Minister, and ensure the effective running of government. We are also the corporate headquarters for government, in partnership with HM Treasury, and we take the lead in certain critical policy areas.

CO is a ministerial department, supported by 20 agencies and public bodies.

Read more about what we do

Our policies

  1. Keeping the UK safe in cyber space

    Improving cyber security to make cyber space safer for people and businesses and more resilient to cyber attacks and crime.

  2. Preventing sexual violence in conflict

    Ending the use of rape and sexual violence as a tactic of war.

  3. Improving the UK's ability to absorb, respond to and recover from emergencies

    How government plans to be ready and able to deal with potential emergency situations.

See all our policies


Our announcements

Our consultations

  1. Replacing GCF core services

    • 2 March 2015
    • Consultation outcome
  2. Statutory register of consultant lobbyists

    • 26 February 2015
    • Consultation outcome

See all our consultations

Our publications

Our statistics

Our ministers

Our management

Contact CO

General enquiries

Correspondence Team
70 Whitehall


Efficiency and reform enquiries

ERG Service Desk
Cabinet Office
Rosebery Court
St Andrews Business Park


Media enquiries

Make an FOI request

  1. Read about the Freedom of Information (FOI) Act and how to make a request
  2. Check our previous releases to see if we’ve already answered your question
  3. Make a new request by contacting us at:

Freedom of information requests

FOI Team
Cabinet Office
Room 3.32
1 Horse Guards Road


High profile groups within CO

Corporate information

Read about the types of information we routinely publish in our Publication scheme. Our Personal information charter explains how we treat your personal information. Read our policy on Social media use.