Acas (Advisory, Conciliation and Arbitration Service) | http://www.acas.org.uk
Adjudicator's Office | http://www.adjudicatorsoffice.gov.uk
Animal Health and Veterinary Laboratories Agency (AHVLA) | http://www.defra.gov.uk/ahvla/
Appeals Service | http://www.appeals-service.gov.uk
Association of National Park Authorities | http://www.nationalparks.gov.uk
Association of Police Authorities | http://www.apa.police.uk
Attorney General's Office | http://www.attorneygeneral.gov.uk
Audit Commission for Local Authorities and the National Health Service in England and Wales | http://www.audit-commission.gov.uk
Audit Scotland | http://www.audit-scotland.gov.uk
Acas (Advisory, Conciliation and Arbitration Service) | http://www.acas.org.uk
Adjudicator's Office | http://www.adjudicatorsoffice.gov.uk
Animal Health and Veterinary Laboratories Agency (AHVLA) | http://www.defra.gov.uk/ahvla/
Appeals Service | http://www.appeals-service.gov.uk
Association of National Park Authorities | http://www.nationalparks.gov.uk
Association of Police Authorities | http://www.apa.police.uk
Attorney General's Office | http://www.attorneygeneral.gov.uk
Audit Commission for Local Authorities and the National Health Service in England and Wales | http://www.audit-commission.gov.uk
Audit Scotland | http://www.audit-scotland.gov.uk
Better Regulation Executive | http://www.betterregulation.gov.uk
Bona Vacantia Division (Treasury Solicitor's Department) | http://www.bonavacantia.gov.uk
UK Border Agency | http://www.bia.homeoffice.gov.uk
Boundary Commission for England | http://consultation.boundarycommissionforengland.independent.gov.uk/
Boundary Commission for Northern Ireland | http://www.boundarycommission.org.uk/
Boundary Commission for Scotland | http://www.bcomm-scotland.gov.uk
Boundary Commission for Wales | http://www.bcomm-wales.gov.uk
BRB (Residuary) Ltd | http://www.brb.gov.uk
British Monarchy | http://www.royal.gov.uk
British Waterways Board | http://www.britishwaterways.co.uk
Office for Budget Responsibility (OBR) | http://budgetresponsibility.independent.gov.uk
business.wales.gov.uk | http://www.business.wales.gov.uk
Business Gateway | http://www.bgateway.com
Department for Business, Innovation and Skills (BIS) | http://www.bis.gov.uk
Business Link | http://www.businesslink.gov.uk
Buying Solutions | http://www.buyingsolutions.gov.uk
Cabinet Office | http://www.cabinetoffice.gov.uk/
Care Quality Commission | http://www.cqc.org.uk
Census | http://www.ons.gov.uk/ons/guide-method/census/census-2001/index.html
Census - Scotland | http://www.gro-scotland.gov.uk
Charity Commission | http://www.charitycommission.gov.uk
Child Support Agency | https://secureonline.dwp.gov.uk/csa/v2/en/contact/index.asp
Civil Contingencies Secretariat | http://www.cabinetoffice.gov.uk/content/civil-contingencies/
The Civil Justice Council | http://www.civiljusticecouncil.gov.uk
Civil Service | http://www.civilservice.gov.uk
The Coal Authority | http://coal.decc.gov.uk
Department for Communities and Local Government | http://www.communities.gov.uk/
Companies House | http://www.companieshouse.gov.uk
Competition Appeal Tribunal (CAT) | http://www.catribunal.org.uk/
Competition Commission | http://www.competition-commission.org.uk
Courts Service | http://www.justice.gov.uk/about/hmcts/index.htm
Criminal Records Bureau | http://www.direct.gov.uk/crb
Crown Estate | http://www.thecrownestate.co.uk
Crown Prosecution Service | http://www.cps.gov.uk
Department for Culture, Media and Sport (DCMS) | http://www.culture.gov.uk
Debt Management Office | http://www.dmo.gov.uk
Ministry of Defence (MoD) | http://www.mod.uk
Department for Business, Innovation and Skills (BIS) | http://www.bis.gov.uk
Department for Education | http://www.education.gov.uk/
Department for Culture, Media and Sport (DCMS) | http://www.culture.gov.uk
Department for Education | http://www.education.gov.uk/
Department of Energy and Climate Change (DECC) | http://www.decc.gov.uk
Department for Environment, Food and Rural Affairs (Defra) | http://www.defra.gov.uk
Department of Finance and Personnel (Northern Ireland) | http://www.dfpni.gov.uk
Department of Health (DH) | http://www.dh.gov.uk
Department for International Development (DFID) | http://www.dfid.gov.uk/
Department for Transport (DfT) | http://www.dft.gov.uk
Department for Work and Pensions (DWP) | http://www.dwp.gov.uk
The Office for Disability Issues | http://www.officefordisability.gov.uk/
Equality and Human Rights Commission | http://www.equalityhumanrights.com
Drinking Water Inspectorate | http://www.dwi.gov.uk
Department for Education | http://www.education.gov.uk
Electoral Commission | http://www.electoralcommission.org.uk
Enterprise and Business Support | http://www.bis.gov.uk/Policies/enterprise-and-business-support
Environment Agency | http://www.environment-agency.gov.uk
Department for Environment, Food and Rural Affairs (Defra) | http://www.defra.gov.uk
Equality and Human Rights Commission | http://www.equalityhumanrights.com
Equality and Human Rights Commission | http://www.equalityhumanrights.com
European Consumer Centre for Services | http://www.ukecc-services.net/
European Ombudsman | http://www.ombudsman.europa.eu/home/en/default.htm
European Parliament | http://www.europarl.europa.eu
European Union | http://europa.eu
Export Credits Guarantee Department | http://www.ecgd.gov.uk
Office of Fair Trading | http://www.oft.gov.uk
Financial Ombudsman Service | http://www.financial-ombudsman.org.uk
Financial Services Authority | http://www.fsa.gov.uk
Fire Service College | http://www.fireservicecollege.ac.uk
Floodline | http://www.environment-agency.gov.uk
Food and Environment Research Agency | http://www.fera.defra.gov.uk/
Food Standards Agency | http://www.food.gov.uk
Foreign and Commonwealth Office | http://www.fco.gov.uk
Forensic Science Service | http://www.forensic.gov.uk
Forestry Commission | http://www.forestry.gov.uk
First-tier Tribunal (Gambling) | mailto:gat@tribunals.gsi.gov.uk
Gambling Commission | http://www.gamblingcommission.gov.uk
Office of Gas and Electricity Markets (OFGEM) | http://www.ofgem.gov.uk
General Register Office | http://www.ips.gov.uk
General Register Office for Northern Ireland | http://www.nidirect.gov.uk/index/information-and-services/government-citizens-and-rights/
General Register Office for Scotland | http://www.gro-scotland.gov.uk
Government Actuaries Department | http://www.gad.gov.uk
Office of Government Commerce | http://www.cabinetoffice.gov.uk/content/office-government-commerce-ogc
Government Communications Headquarters (GCHQ) | http://www.gchq.gov.uk/
Government Communications Network | http://www.comms.gov.uk
Government Equalities Office | mailto:enquiries@geo.gsi.gov.uk
Government News Network | http://nds.coi.gov.uk
Health and Safety Executive (HSE) | http://www.hse.gov.uk
Department of Health (DH) | http://www.dh.gov.uk
Her Majesty's Courts and Tribunals Service | http://www.justice.gov.uk/about/hmcts/index.htm
Her Majesty's Inspectorate of Constabulary | http://www.hmic.gov.uk
Her Majesty's Inspectorate of Education | http://www.hmie.gov.uk
Her Majesty's Inspectorate of Prisons | http://www.justice.gov.uk/inspectorates/hmi-prisons/
Her Majesty's Inspectorate of Probation | http://www.justice.gov.uk/about/hmi-probation/
Her Majesty's Land Registry | http://www1.landregistry.gov.uk/genq/
Her Majesty's Prison Service | http://www.justice.gov.uk/about/hmps/index.htm
How to contact HM Revenue and Customs | http://www.hmrc.gov.uk/menus/contactus.shtml
Her Majesty's Treasury | http://www.hm-treasury.gov.uk
Higher Education Funding Council for England (HEFCE) | http://www.hefce.ac.uk
Highways Agency | http://www.highways.gov.uk/
Homes and Communities Agency | http://www.homesandcommunities.co.uk
Home Office | http://www.homeoffice.gov.uk
House of Commons | http://www.parliament.uk/mps-lords-and-offices/mps/
House of Lords | http://www.parliament.uk/mps-lords-and-offices/lords/
Identity and Passport Service (IPS) | http://www.ips.gov.uk/passport/contact.asp
UK Border Agency | http://www.bia.homeoffice.gov.uk
Independent Case Examiner | http://www.ind-case-exam.org.uk
Independent Living Fund | http://www.dwp.gov.uk/ilf
Independent Police Complaints Commission | http://www.ipcc.gov.uk/
Information Commissioner's Office | http://www.ico.gov.uk
How to contact HM Revenue and Customs | http://www.hmrc.gov.uk/menus/contactus.shtml
Insolvency Service | http://www.bis.gov.uk/insolvency
Her Majesty's Inspectorate of Constabulary | http://www.hmic.gov.uk
Her Majesty's Inspectorate of Prisons | http://www.justice.gov.uk/inspectorates/hmi-prisons/
Her Majesty's Inspectorate of Probation | http://www.justice.gov.uk/about/hmi-probation/
Intellectual Property Office | http://www.ipo.gov.uk
Department for International Development (DfID) | http://www.dfid.gov.uk/
Jobcentre Plus | http://www.direct.gov.uk/en/Employment/Jobseekers/ContactJobcentrePlus/DG_186347
Ministry of Justice | http://www.justice.gov.uk
Land & Property Services (Northern Ireland) | http://www.lpsni.gov.uk/
Land Registry | http://www1.landregistry.gov.uk/genq/
Lands Tribunal (England and Wales) | mailto:lands@tribunals.gsi.gov.uk
Legal Ombudsman | http://www.legalombudsman.org.uk
Legal Services Commission | http://www.legalservices.gov.uk
Local Government Ombudsman | http://www.lgo.org.uk
Local Government Ombudsman (Wales) | http://www.ombudsman-wales.org.uk
London Development Agency | http://www.lda.gov.uk
Maritime and Coastguard Agency | http://www.mcga.gov.uk
Medicines and Healthcare Products Regulatory Agency | http://www.mhra.gov.uk
Met Office | http://www.metoffice.gov.uk
MI5 (Security Service) | http://www.mi5.gov.uk
Ministry of Defence (MoD) | http://www.mod.uk
Ministry of Justice | http://www.justice.gov.uk
Money Advice Service | http://www.moneyadviceservice.org.uk/
The National Archives | http://www.nationalarchives.gov.uk
National Assembly for Wales | http://www.assemblywales.org
National Policing Improvement Agency (NPIA) | http://www.npia.police.uk/
National Savings and Investments | http://www.nsandi.com
National School of Government | http://www.nationalschool.gov.uk
Office for National Statistics (ONS) | http://www.statistics.gov.uk/default.asp
Natural England | http://www.naturalengland.org.uk
Northern Ireland Assembly | http://www.niassembly.gov.uk
Northern Ireland Office (NIO) | http://www.nio.gov.uk
The Nuclear Decommissioning Authority (NDA) | http://www.nda.gov.uk
10 Downing Street | http://www.number10.gov.uk
Ofcom (Office of Communications) | http://www.ofcom.org.uk
Office for Budget Responsibility (OBR) | http://budgetresponsibility.independent.gov.uk
Office for Disability Issues | http://www.officefordisability.gov.uk/
Office for National Statistics | http://www.statistics.gov.uk/default.asp
Office for Standards in Education (OFSTED) | http://www.ofsted.gov.uk
Office of Fair Trading | http://www.oft.gov.uk
Office of Gas and Electricity Markets (Ofgem) | http://www.ofgem.gov.uk
Office of Government Commerce | http://www.cabinetoffice.gov.uk/content/office-government-commerce-ogc
Office of Leader of the House of Commons | http://www.commonsleader.gov.uk
Office of Rail Regulation | http://www.rail-reg.gov.uk
Office of Tax Simplification (OTS) | http://www.hm-treasury.gov.uk/ots.htm
Office of the Information Commissioner | http://www.ico.gov.uk
Office of the Parliamentary and Health Service Ombudsman | http://www.ombudsman.org.uk
Office of the Public Guardian | mailto:customerservices@publicguardian.gsi.gov.uk
Office of Qualifications and Examination Regulation | http://www.ofqual.gov.uk
Office of Water Services (OFWAT) | http://www.ofwat.gov.uk
Ofqual Northern Ireland | http://www.ofqual.gov.uk
Olympic Delivery Authority | http://www.london2012.com/about-us/the-people-delivering-the-games/the-olympic-delivery-authority/index.php
Ordnance Survey | http://www.ordnancesurvey.co.uk
Houses of Parliament | http://www.parliament.uk
Office of the Parliamentary and Health Service Ombudsman | http://www.ombudsman.org.uk
Identity and Passport Service (IPS) | http://www.ips.gov.uk/passport/contact.asp
Intellectual Property Office | http://www.ipo.gov.uk
Department for Work and Pensions (DWP) | http://www.dwp.gov.uk
Pensions Ombudsman | http://www.pensions-ombudsman.org.uk
Planning Inspectorate | http://www.planning-inspectorate.gov.uk
Prime Minister | http://www.number10.gov.uk
Her Majesty's Prison Service | http://www.justice.gov.uk/about/hmps/index.htm
Prisons and Probation Ombudsman | http://www.ppo.gov.uk
Privy Council Office | http://www.independent.gov.uk/privycouncil
Office of the Public Guardian | mailto:customerservices@publicguardian.gsi.gov.uk
Qualifications and Curriculum Authority (QCA) | http://www.qcda.gov.uk
Office of Qualifications and Examination Regulation | http://www.ofqual.gov.uk
Equality and Human Rights Commission | http://www.equalityhumanrights.com
Office of Rail Regulation | http://www.rail-reg.gov.uk
Residential Property Tribunal Service | http://www.justice.gov.uk/guidance/courts-and-tribunals/tribunals/residential-property/index.htm
Resilience, UK (Civil Contingencies Secretariat) | http://www.cabinetoffice.gov.uk/ukresilience
Royal Mint | http://www.royalmint.com
Royal Parks Agency | http://www.royalparks.org.uk
Department for Environment, Food and Rural Affairs (Defra) | http://www.defra.gov.uk
Rural Payments Agency | http://www.rpa.gov.uk
Scotland Office | http://www.scotlandoffice.gov.uk
Scottish Government | http://www.scotland.gov.uk
Scottish Parliament | http://www.scottish.parliament.uk
Serious Fraud Office | http://www.sfo.gov.uk
Serious Organised Crime Agency (SOCA) | http://www.soca.gov.uk
Skills Funding Agency | http://www.bis.gov.uk/skillsfundingagency
UK Space Agency | http://www.bis.gov.uk/ukspaceagency
Stabilisation Unit | http://www.stabilisationunit.gov.uk/
Office for Standards in Education (OFSTED) | http://www.ofsted.gov.uk
Office for National Statistics (ONS) | http://www.statistics.gov.uk/default.asp
Office of Tax Simplification (OTS) | http://www.hm-treasury.gov.uk/ots.htm
Ten Downing Street | http://www.number10.gov.uk
Department for Business, Innovation and Skills (BIS) | http://www.bis.gov.uk
Training and Development Agency for Schools | http://www.tda.gov.uk
Department for Transport (DfT) | http://www.dft.gov.uk
Transport Scotland | http://www.transportscotland.gov.uk
Treasury Solicitor's Department (TSOL) | http://www.tsol.gov.uk
Her Majesty's Treasury | http://www.hm-treasury.gov.uk
Her Majesty's Courts and Tribunals Service | http://www.justice.gov.uk/about/hmcts/index.htm
UK Border Agency - Visa Services Directorate | http://www.ukvisas.gov.uk
UK Office of the European Parliament | http://www.europarl.org.uk
Identity and Passport Service (IPS) | http://www.ips.gov.uk/passport/contact.asp
UK Resilience | http://www.cabinetoffice.gov.uk/ukresilience
UK Trade and Investment | http://www.ukti.gov.uk/
Universities and Colleges Admission Service (UCAS) | http://www.ucas.com
Valuation Office Agency | http://www.voa.gov.uk
Vehicle and Operator Services Agency (VOSA) | http://www.vosa.gov.uk
Vehicle Certification Agency (VCA) | http://www.vca.gov.uk
Veterans Agency | http://www.veterans-uk.info
UK Border Agency - Visa Services Directorate | http://www.ukvisas.gov.uk
Wales Audit Office | http://www.wao.gov.uk
Wales Office | http://www.walesoffice.gov.uk
Office of Water Services (OFWAT) | http://www.ofwat.gov.uk
Welsh Assembly Government | http://www.wales.gov.uk
Whole of Government Accounts | http://www.hm-treasury.gov.uk/psr_government_accounts.htm
Department for Work and Pensions (DWP) | http://www.dwp.gov.uk
Young People's Learning Agency | http://www.ypla.gov.uk/
Youth Justice Board | http://www.justice.gov.uk/about/yjb/index.htm