HSE and Health Agencies are responsible for the delivery and regulation of health and personal social services for everyone living in Ireland with public funds.
The Office has responsibility for the audit of the following institutions:
| Beaumont Hospital Board | Irish Blood Transfusion Service |
| Bord Altranais agus Cnáimhseachais na hÉireann | Leopardstown Park Hospital |
| Child and Family Agency (TUSLA) | Medical Council |
| Children’s Health Ireland | Mental Health Commission |
| Dublin Dental Hospital Board | National Cancer Registry |
| Food Safety Authority of Ireland | National Disability Authority |
| Health Information and Quality Authority | National Haemophilia Council |
| Health Insurance Authority | National Paediatric Hospital Development Board |
| Health Products Regulatory Authority | National Treatment Purchase Fund |
| Health Long Stay Repayments (Donations Fund) Account | Ombudsman for Children |
| Health Research Board | Pre-Hospital Emergency care Council |
| Health Service Executive | Repayment Scheme 2006 (Special Account) |
| Hepatitis C Insurance Scheme - Special Account | St. James Hospital Board |
| HSE - Patient Property Accounts |
