A Prescribed Accountancy Body (‘PAB’) is any accountancy body that comes within the supervisory remit of IAASA under the Act. There are currently seven PABs each of which has its own formal system for dealing with complaints relating to its members/member firms, including, where necessary an investigation and disciplinary process. The seven PABs and the designatory letters for their members are:
| Accountancy Body | Full Name | Designatory Letters |
| ACCA | Association of Chartered Certified Accountants | ACCA or FCCA |
| AIA | Association of International Accountants | AAIA or FAIA |
| CIMA | Chartered Institute of Management Accountants | ACMA or FCMA |
| CIPFA | Chartered Institute of Public Finance and Accountancy | CPFA |
| ICAI | Institute of Chartered Accountants in Ireland | ACA or FCA |
| ICAS | Institute of Chartered Accountants of Scotland | CA |
| ICPAI | Institute of Certified Public Accountants in Ireland | CPA or FCPA |