| Aberdeen City Council | Local Government | Scotland |
| Aberdeen College | Education | Scotland |
| Aberdeenshire Council | Local Government | Scotland |
| Accountant in Bankruptcy | Central & Civil Government | Scotland |
| Accounts Commission Scotland | Central & Civil Government | Scotland |
| Adam Smith College | Education | Scotland |
| Allerdale Borough Council | Local Government | North West |
| Amber Valley Borough Council | Local Government | East Midlands |
| Angus College | Education | Scotland |
| Angus Council | Local Government | Scotland |
| Anniesland College | Education | Scotland |
| Architecture & Design Scotland | Central & Civil Government | Scotland |
| Argyll & Bute Council | Local Government | Scotland |
| Arts Council England | Central & Civil Government | London |
| Ashfield District Council | Local Government | East Midlands |
| Ashford Borough Council | Local Government | South East |
| Audit Commission | Central & Civil Government | London |
| Audit Commission (Southern Region) | Central & Civil Government | South West |
| Audit Scotland | Central & Civil Government | Scotland |
| Avon and Somerset Constabulary | Police, Fire & Emergency Services | South West |