Check the list below to see if the service you want to complain about is included. You can also find out more about what we can and cannot help with.
If you have any questions, call us on 0345 015 4033.
- National Advisory Group on Clinical Audit and Enquiries
- National Archives
- National Army Museum
- National College for Teaching and Leadership (NCTL)
- National Crime Agency
- National Employer Advisory Board
- National Employment Savings Trust Corporation
- National Forest Company
- National Gallery
- National Heritage Memorial Fund
- National Institute for Health and Care Excellence (NICE)
- National Insurance Contributions and Employer Office, HM Revenue and Customs
- National Lottery Commission
- National Museum of the Royal Navy
- National Museums Liverpool
- National Offender Management Service (NOMS)
- National Portrait Gallery
- National Probation Service
- Natural England
- Natural Environment Research Council
- Natural History Museum
- Natural Resources Body for Wales
- Northern Ireland Human Rights Commission
- Northern Ireland Office (NIO)
- Nuclear Decommissioning Authority
- Nuclear Liabilities Financing Assurance Board
- Nuclear Liabilities Fund
- Nuclear Research Advisory Council
- Nutrition Forum