10 Downing Street The official website of number 10.

Business Link Advice for businesses

Cabinet Office At the centre of Government

Central Office of Information The Central Office of Information (COI) is the Government's centre of excellence in marketing communications

Child Support Agency Part of the Department for Work and Pensions

Commission for Racial Equality

Companies House All limited companies in the UK are registered at Companies House, an Executive Agency of the Department of Trade and Industry

Legal Services Commission Free high-quality legal information

Consumer Direct Help and advice for consumers in Great Britain

Crown Prosecution Service responsible for prosecuting criminal cases investigated by the police in England and Wales

Department for Communities and Local Government (Formerly the Office of the Deputy Prime Minister)

Department for Constitutional Affairs Responsible for upholding justice, rights and democracy

Department for Culture, Media and Sport Aim to improve the quality of life for all through cultural and sporting activities, to support the pursuit of excellence and to champion the tourism, creative and leisure industries

Disability Rights Commission An independent body established to stop discrimination and promote equality of opportunity for disabled people

Department for Environment, Food and Rural Affairs Defra works for the essentials of life:water, food, air, land, people, animals and plants

Department of Health Provide health and social care policy, guidance and publications

Department for Innovation, Universities and Skills (DIUS) This new Department brings together functions of the Office of Science and Innovation from the former Department of Trade and Industry with further and higher education and skills, previously part of the Department for Education and Skills.

Department For International Development Manages Britain's aid to poor countries and works to get rid of extreme poverty

Department for Transport Oversees the delivery of a reliable, safe and secure transport system

Department for Education and Skills

Department for Work and Pensions

Department of Trade and Industry Working to create the conditions for business success and help the UK respond to the challenge of globalisation

DirectGov Government portal for all Public services

http://www.drugs.gov.uk/ Provides drugs professionals with the latest news and guidance from government about the Drugs Strategy

DVLA The Driver and Vehicle Licensing Agency is an Executive Agency of the Department for Transport (DfT)

Enterprise Directorate, (was The Small Business Service) part of the new Department for Business, Enterprise and Regulatory Reform (BERR)

Equal Opportunities Commission deal with sex discrimination and inequality related to gender, including good practice in the fair and equal treatment of men and women

E-Commerce Awards Organised by Department of Trade and Industry (DTI)

Export Credits Guarantee Department The UK's official export credit agency

Foreign and Consultative Office Over 200 diplomatic offices in the UK and overseas working for UK interests

Financial Services Authority An independent body that regulates the financial services industry in the UK

Food Standards Agency An independent Government department set up to protect the public's health and consumer interests in relation to food

Government News Network News and Information

Government Communication Network brings together all the communication professionals working in UK government departments and agencies

GovTalk Information on policies and standards for e-government

Health & Safety Executive Protect people's health and safety by ensuring risks in the changing workplace are properly controlled.

The Healthcare Commission Promotes improvement in the quality of the NHS and independent healthcare

http://www.humanrights.gov.uk/ Part of Department for Constitutional Affairs. Information about the human rights act and the rights and freedoms protected by the act

Home Office The government department responsible for internal affairs in England and Wales

Identity and Passport Service Provide passport services and in the future, as part of the National Identity Scheme, ID cards for British and Irish nationals resident in the UK

Information Commisioner's Office Independent public body set up to promote access to official information and to protect personal information.

Invest to Save Budget A joint Treasury/Cabinet Office initiative with an aim to create sustainable improvements in the capacity to deliver public services in a more joined up manner.

http://www.innovation.gov.uk/ Promoting the successful exploitation of new ideas

Job Centre Plus

Local Government Association Promotes the interests of English and Welsh local authorities

The Met Office

MI5

Ministry of Defence

Museums, Libraries and Archive Council

The National Archives Bringing together the Public Record Office and the Historical Manuscripts Commission. Responsible for looking after and publishing the records of central government and the courts of law.

NHS Direct

Northern Ireland Office The NIO has responsibility for Northern Ireland’s constitutional and security issues, in particular, law and order, political affairs, policing and criminal justice. It also has responsibility for matters relating to the licensing and legislation concerning firearms and explosives, including fireworks

Office of Fair Trading

OGC Buying Solutions Office of Government Commerce Buying Solutions

Office of Science and Technology - see Department for Innovation, Universities and Skills (DIUS)

The Planning Inspectorate

The Pension Service The Pension Service website is published by the Government. It provides information for individuals about pensions and other pensioner benefits in the UK

The Planning Portal  Use this site to learn more about the planning system, apply for planning permission, find out about development near you, appeal against a planning decision and research the latest government policy

HM Prison Service

Privy Council Office (PCO) One of the oldest parts of Government

Office of Rail Regulation The independent regulator of the railway industry in Great Britain

HM Revenues and Customs Responsible for collecting the bulk of tax revenue, as well as paying Tax Credits and Child Benefits, and strengthening the UK's frontiers

Scottish Executive The divolved government for Scotland

The Small Business Service - now Enterprise Directorate, part of the new Department for Business, Enterprise and Regulatory Reform (BERR)

National Statistics

Transport for London A functional body of the Greater London Authority. Implements the Mayor of London's Transport Strategy and manages transport services across the Capital.

Trading Standards Consumer protection information in the UK

HM Treasury

UK Sport

UK Trade and Investment Helps UK companies do business abroad - and helps overseas companies do business in the UK

Wales Office The Wales Office came into being on July 1 1999 when most of the powers of the Welsh Office were handed over to the National Assembly for Wales

National Assembly for Wales the representative body with legislative powers in devolved areas