The Institute has the following regions:
- Capricorn Region (Northern Province)
- Eastern Cape Region
- Free State Region
- KwaZulu-Natal Region
- Paragon Region (Pretoria area)
- Protea Region (Central Gauteng area)
- Western Cape Region
The Local Government Division operates on a national basis.
SAIMAS also provides for the accommodation of special interest groups to serve the needs of members. These are groups for those with particular interest, i.e.
- Local Government Work Groups, and
- Financial Services Interest Groups