The Adjudicator's Office deals with complaints about HM Revenue & Customs (including the Tax Credit Office and the Valuation Office Agency), the Office of the Public Guardian and the Insolvency Service. The site includes the codes of practice of those organisations, annual reports, and information and guidance on the complaint procedure.

The BIOA site provides a list of ombudsmen and other complaint-handling bodies in the UK and Ireland. This gives brief information and contact details, with links to those ombudsmen and other bodies which have their own web sites. Publications on the site include the most recent annual report and an occasional newsletter The Ombudsman.

The Energy Ombudsman is an independent body established in 2006 to resolve disputes between customers and their energy supply companies relating to billing, transfer, service and sales issues. The site provides information on the complaints process, recent annual reports and contact details. Outcomes of all closed cases to date are published in Case Study Bulletins accessible via the Downloads tab.

The European Ombudsman investigates complaints of maladministration by institutions and bodies of the European Communities. The site includes general information, annual and special reports, the text of the European Code of Good Administrative Behaviour, all decisions 30 June 1998 onwards, and selected earlier decisions.

The Financial Ombudsman Service, created by the Financial Services and Markets Act (FSMA) 2000, settles disputes between businesses providing financial services and their customers. Its site includes details of the complaint process, annual reviews 1999/2000 onwards, a link to the FSMA 2000, and a link to the dispute resolution section of the Financial Services Authority Handbook (on the FSA site), under which it operates. There is a regular online newsletter Ombudsman News.

The Housing Ombudsman Service, formerly known as the Independent Housing Ombudsman, deals with complaints against landlords and agents, and other housing disputes. All social landlords (housing associations) registered in England are members of the scheme, together with certain private landlords and management agents. There are separate "Complainants and Advisers" and "Landlords and Agents" sections, both with extensive downloadable information, reports and forms.

The Independent Case Examiner investigates complaints made by service users of various government agencies and businesses including the Child Support Agency, the Northern Ireland Social Security Agency, Jobcentre Plus, the Pension, Disability and Carers Service, the Financial Assistance Scheme, Debt Management and Child Maintenance and Enforcement Division (Northern Ireland). The site provides information on the complaint procedure, forms, and annual reports 2000 onwards.

The Independent Complaints Adjudication Service for Ofsted provides a review service for complainants who remain dissatisfied after exhausting the internal complaints procedures of Ofsted (the Office for Standards in Education, Children's Services and Skills), having taken over this function from the Independent Complaints Adjudicator for Ofsted in January 2009. The web site includes information about the process and how to apply, and will include annual reports when they are available.

The Independent Complaints Reviewer investigates customers' complaints about the Land Registry, the National Archives, the Charity Commission, the Homes and Communities Agency, the Tenant Services Authority, the Audit Commission, the Northern Ireland Youth Justice Agency and the Children's Commissioner for Wales. The site has general information and contact details, and annual reports for each of the individual bodies from 2001 or 2001/02 onwards.

The present system for the investigation of complaints and allegations of misconduct against the police came into being on 1 April 2004 when the Independent Police Complaints Commission (IPCC) replaced the Police Complaints Authority. The IPCC's web site includes information on the role of the Commission, press releases, consultation papers, annual reports, investigation reports, and links to relevant legislation.

The Judicial Appointments and Conduct Ombudsman investigates complaints about the judicial appointments process and the handling of matters involving judicial discipline or conduct. The web site has a list of all judicial offices covered by the scheme, information on how to make a complaint, and annual reports. Note that in some web browsers the home page may not load fully: in this event click on "Sitemap" in order to access the site's various sections.

The Lay Observer oversees the complaint-handling function of the Law Society of Northern Ireland. The site includes information on the Lay Observer's role, details of the complaints procedure, and recent annual reports.

The Legal Complaints Service, though part of the Law Society, operates independently, in the public interest, in investigating complaints about solicitors in England and Wales. The site includes forms, guidance, and information on the complaints procedure.

The Legal Ombudsman scheme, which is being established by the Office for Legal Complaints under the Legal Services Act 2007, is expected to come into operation on 6 October 2010. Site content at this preliminary stage includes news, the draft scheme rules and other background documents.

The Legal Services Ombudsman for England and Wales investigates complaints by those who are dissatisfied with the way that the professional bodies which regulate lawyers (solicitors, barristers, licensed conveyancers, legal executives, patent attorneys and trade mark attorneys) have themselves dealt with a complaint about a lawyer. The site has contact details and information on the complaints procedure. Annual reports are included from the 10th (2000/2001) onwards.

The Local Government Ombudsman investigates complaints of maladministration by local authorities and certain other bodies in England, including education admissions appeal panels. The site includes the published annual Digest of Cases 2001 onwards, summaries of recent investigation reports, full investigation reports 1 April 2007 onwards, a number of special reports, recent annual reports, and a series of Good Practice Guides.

The Northern Ireland Judicial Appointments Ombudsman was established on 25 September 2006 under the Constitutional Reform Act 2005 to investigate allegations by applicants for judicial appointments of maladministration or unfairness on the part of the Northern Ireland Judicial Appointments Commission, the Northern Ireland Court Service or the Lord Chancellor. The site provides details of the complaints procedure and annual reports.

The Northern Ireland Ombudsman combines the two offices of Assembly Ombudsman for Northern Ireland and Northern Ireland Commissioner for Complaints. The site has general information, guidance, forms and recent annual reports.

The Office for Judicial Complaints (OJC) was established on 3 April 2006 under the Constitutional Reform Act 2005. It handles complaints about the personal conduct of all judicial office holders in England and Wales and some judicial office holders who sit in tribunals in Scotland and Northern Ireland. Leaflets and other publications are reproduced on the site, and there are links to relevant regulations.

The Complaints Commissioner investigates complaints against the Financial Services Authority under a scheme which came into operation on 3 September 2001. Information on the site includes all annual reports to date, final reports on the Commissioner's investigations, and links to the FSA's responses to those reports on the FSA web site.

The Office of the Independent Adjudicator (OIA) operates an independent complaints scheme for students in higher education in England and Wales. It was created in 2004, replacing the previous visitatorial system for higher education institutions. The site has the Rules of the scheme, forms, guidance both for students and for higher education institutions, recent decisions and annual reports.

Ombudsman Services: Property, formerly known as the Surveyors Ombudsman Service, provides a free and independent complaints handling service for customers of chartered surveying firms, surveyors, estate agents, residential managing agents and other property professionals, provided they are members. The site provides contact details and information relating to the complaints procedure and investigation process. There are summaries of decisions January 2009 onwards, and annual reports (also including summaries of decisions) 2009 onwards.

The Office of the Telecommunications Ombudsman (Otelo) was established in 2002 to deal with disputes between public communications providers and their customers. Site content includes details of the complaint procedure, annual reports, and brief summaries of all closed cases to date.

The Parliamentary Ombudsman and the Health Service Ombudsman (two separate posts, held by the same individual) investigate complaints about government departments and agencies and certain other public bodies in the UK, and the National Health Service in England. The site contains information on the complaint procedure, links to relevant legislation, and documents, including reports and press releases.

The office of Pension Protection Fund Ombudsman was established on 6 April 2005 to deal with disputes and appeals in relation to the Pension Protection Fund and the Financial Assistance Scheme. Site content includes guidance, forms and determinations.

The office of Pensions Ombudsman was established in 1991 to investigate and decide complaints and disputes about the way that occupational and personal pension schemes are run. The site has information, guidance, forms, annual reports and other publications. Determinations are available from 1995 onwards.

The Ombudsman's office provides an independent police complaints system under the Police (Northern Ireland) Acts 1998 and 2000. There are links to those Acts and to other relevant legislation. Publications include press releases, research reports and investigation reports. There is brief information, and where relevant the full text of judgments, on decisions of the Ombudsman which have been subjected to judicial review.

The Prisons and Probation Ombudsman investigates complaints from prisoners, those on probation, and those held in immigration removal centres. Since April 2004 the Ombudsman has also been responsible for investigating all deaths of prisoners and residents of probation hostels and immigration detention accommodation. Downloadable publications include fatal incident reports, special investigation reports, annual reports 1996-1997 onwards, and a newsletter On the Case.

The Property Ombudsman (TPO) (known before 1 May 2009 as the Ombudsman for Estate Agents) provides an independent service for dealing with disputes between member estate agencies and customers who are buying and selling residential property in the UK. The site has TPO's codes of practice for residential estate agents and for letting agents, summaries of recent cases, recent annual reports, and information and guidance on the complaint procedure.

This service replaced from 1 April 2006 the separate offices of Local Government Ombudsman for Wales, Health Service Ombudsman for Wales, Welsh Administration Ombudsman and Social Housing Ombudsman for Wales. It investigates complaints about public services in Wales, including local government, National Health Service organisations, the National Assembly for Wales, and many public bodies. The web site has information on the Ombudsman's role and the complaint procedure, investigation reports, and annual reports.

This scheme provides the removals industry with an independent service to resolve disputes between member companies and their clients, if the normal complaints procedure has not produced a satisfactory conclusion. The site has information, contact details, a downloadable complaint form, and the latest annual report.

The Scottish Legal Complaints Commission (SLCC) was established on 1 October 2008, under the Legal Profession and Legal Aid (Scotland) Act 2007, to investigate complaints by members of the public about services provided by legal practitioners in Scotland. The site has information on the complaints process, the SLCC Rules, complaint forms, news, and details of any current consultations.

Before 1 October 2008, when the new Scottish Legal Complaints Commission (SLCC) was established, complaints about the way the Law Society of Scotland or the Faculty of Advocates had handled a complaint against a legal practitioner were dealt with by the Scottish Legal Services Ombudsman (SLSO). Annual reports 2000-2001 to 2006-2007 are amongst material still accessible on the SLSO site: since the abolition of the SLSO most other content has been removed.

The Commissioner investigates alleged breaches of the Code of Conduct for Members of the Scottish Parliament (MSPs). The web site contains advice on how to submit a complaint about a MSP, and explains how complaints are dealt with. The Code itself is available via a link to the Scottish Parliament site. Annual reports for 2003 onwards are also available.

The Scottish Prisons Complaints Commission (SPCC) was created in 1994. Its function is to conduct independent reviews of complaints made by prisoners which are not resolved by the internal complaints system of the Scottish Prison Service. The web site explains the complaints procedure, which employs one of four forms (CP1, CP2, CP3 and CP4) depending on the type of complaint. The forms can be downloaded from the site, as can annual reports for 2003/2004 onwards.

This body was established under the Scottish Public Services Ombudsman Act 2002, and can investigate complaints made by members of the public against most public authorities in Scotland. There is advice for people wishing to complain, and for authorities complained against. The monthly Ombudsman's Commentary (in the Investigation Reports section of the site) publishes outcomes of complaints.

The post of Service Complaints Commissioner for the Armed Forces was created by the Armed Forces Act 2006, following recommendations made by Nicholas Blake QC in the Deepcut Review. The site has information on the role of the Commissioner, details of the complaint procedure, a downloadable complaint form, and annual reports.

The Standards Commission for Scotland was established pursuant to the Ethical Standards in Public Life (Scotland) Act 2000 to assure compliance with the Code of Conduct for Councillors and the Code of Conduct for Devolved Public Bodies. The "Acts, Codes & Regulations" section of the web site contains both of these codes. Rules for the conduct of hearings are published on the web site, as are full-text decisions, 2004 onwards and annual reports, 2003 onwards.

Standards for England is the operating name for the Standards Board for England, a non-departmental public body which is responsible for promoting ethical standards amongst elected and co-opted members of local authorities. The site includes a Model Code of Conduct, links to relevant legislation, case summaries, guidance, annual reports, and information on complaint and investigation procedures.

The Waterways Ombudsman considers complaints and disputes between British Waterways and its customers and visitors. The site has general information and contact details, the current Rules of the Waterways Ombudsman Scheme, and the Ombudsman's annual report 2005-06 onwards, in which summaries of decisions are published.