Branches represent Association members in their wards. Each branch elects its own officers.
The Branches are:
- Finedon
- Higham Ferrers
- Rushden (comprises wards of Rushden South, Rushden Lakes and Pemberton)
- Wellingborough (comprises the wards of Brickhill & Queensway, Croyland & Swanspool, Hatton Park & Victoria)
- Wellingborough Rural South (comprises wards of Bozeat, Grendon, Irchester, Little Irchester, Strixton, Wollaston & Easton Maudit)- shared with South Northants Constituency
- Irthlingborough
Members of Branches make up the controlling political group on:
- Higham Ferrers Town Council
- Rushden Town Council
- Wellingborough Town Council