| Automatic Entrance Systems Limited | Manufacturing | 2000 |
| Bizpredict Limited | Information & communication | 2024 |
| Boughton Green Road Limited | Health & social care | 2020 |
| Briggs & Forrester (Holdings) Limited | Professional & scientific | 1947 |
| Briggs & Forrester Engineering Services Limited | Construction | 1973 |
| Briggs & Forrester Living Limited | Construction | 1984 |
| Briggs & Forrester Special Projects Limited | Construction | 1990 |
| CB Bargains Ltd | Wholesale & retail | 2024 |
| Circular World Limited | Wholesale & retail | 2023 |
| Crossways Associates Ltd | Professional & scientific | 2021 |
| Footsteps Travel UK Ltd | Administrative & support | 2007 |
| Gateway Properties (Wellingborough) Limited | Construction | 1982 |
| Hatton Build Limited | Construction | 2014 |
| HM Rehab Basics Limited | Health & social care | 2024 |
| J.B. Rubber (Corby) Limited | Wholesale & retail | 1986 |
| Orchard Gardens (Kingsthorpe) Management Limited | Administrative & support | 2015 |
| Pearson Garages Limited | Wholesale & retail | 2016 |
| Richardson Care Holdings Limited | Health & social care | 2020 |
| Richardson Duston Limited | Health & social care | 2020 |
| Richardson Grove Limited | Health & social care | 2020 |
| S-Pride Care Service Ltd | Health & social care | 2018 |
| Stanley Automatic Doors Limited | Manufacturing | 2000 |
| TEW & Associates Limited | Professional & scientific | 1989 |
| THE Redeemed Christian Church of GOD Royal Diadem Chapel Northampton | Other services | 2022 |
| THE Richardson Mews Limited | Health & social care | 2020 |