This page contains a list of all the UK government departments and other public organisations we can investigate.
You can also use our complaint checker tool 'Can we look into your complaint?' to find out if we can investigate the organisation you want to complain about. It will take you to the correct complaint form.
If you are still not sure, this page will tell you what we can and can't help with or you can ring us 0345 015 4033.
- Health and Safety Executive (HSE)
- Health and Social Care Information Centre (HSCIC)
- Health Education England
- Health Research Authority
- Her Majesty's Courts and Tribunals Service (HMCTS)
- Her Majesty's Passport Office
- Her Majesty's Prison Service
- Her Majesty's Revenue and Customs (HMRC)
- Her Majesty's Stationery Office (TSO)
- Her Majesty's Treasury
- High Speed Two (HS2) Ltd
- Higher Education Funding Council for England
- Highways Agency or Highways England
- Historic Buildings and Monuments Commission for England (English Heritage)
- Historic Royal Palaces
- Home Office
- Homes and Communities Agency
- Horniman Public Museum and Public Park Trust
- Horserace Betting Levy Board
- Human Fertilisation and Embryology Authority
- Human Tissue Authority