Cabinet Office (United Kingdom)

We support the 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. **Responsibilities** We have responsibility for: - supporting collective government, helping to ensure the effective development, coordination and implementation of policy - supporting the [National Security Council](https://www.gov.uk/government/organisations/national-security/groups/national-security-council) and the [Joint Intelligence Organisation](https://www.gov.uk/government/organisations/national-security/groups/joint-intelligence-organisation), coordinating the government’s response to crises and managing the UK’s [cyber security](https://www.gov.uk/government/cyber-security) - promoting [efficiency and reform](https://www.gov.uk/government/topics/government-efficiency-transparency-and-accountability) across government through innovation, better procurement and project management, and by transforming the delivery of services - promoting the release of government data, and making the way government works [more transparent](https://www.gov.uk/government/government-efficiency-transparency-and-accountability) - creating an [exceptional Civil Service](https://www.gov.uk/government/civil-service-reform), improving its capability and effectiveness - [political and constitutional reform](https://www.gov.uk/government/constitutional-reform) **Who we are** We employ around 2,050 staff. There are also around 700 people working for the Crown Commercial Service, an executive agency. Our main offices are in London, but we have staff based around the country. We are supported by a number of [advisory non-departmental bodies](https://www.gov.uk/government/organisations#cabinet-office).