| AB Developments (NW) Ltd | Real estate | 2024 |
| Atfnw Limited | Construction | 2013 |
| Ationsss Ltd | Wholesale & retail | 2026 |
| Beauty Ranch Ltd | Other services | 2022 |
| Blessed Living CIC | Hospitality | 2022 |
| BOB Inn Limited | Hospitality | 2023 |
| Chris Geary Roofing Contractors Ltd | Construction | 2005 |
| Drugan Property Development Ltd | Real estate | 2024 |
| E.D.C Fabrications Ltd | Manufacturing | 2025 |
| EDS Business Services Ltd | Transport & logistics | 2017 |
| Equiply Limited | Extraterritorial | 2023 |
| Forjd Limited | Wholesale & retail | 2020 |
| H & S Bathrooms Ltd | Wholesale & retail | 2000 |
| Honest Heart Food Co Ltd | Manufacturing | 2025 |
| Ignite Energy Group Ltd | Construction | 2024 |
| John Lawson Distributors Limited | Wholesale & retail | 1980 |
| Lovejoynery Ltd | Construction | 2016 |
| Lower Darwen MOT & Service Centre Ltd | Wholesale & retail | 2021 |
| MAD Electronics Ltd | Manufacturing | 2019 |
| Prime Lots Limited | Extraterritorial | 2025 |
| Red Rose Brewery Ltd | Manufacturing | 2008 |
| Red Rose Drylining Limited | Construction | 1996 |
| Red Rose Holdings Limited | Professional & scientific | 2005 |
| Riverside Bar & Kitchen (Lower Darwen) Ltd | Hospitality | 2024 |
| Riverside Interiors (North West) Limited | Professional & scientific | 2005 |
| Riverside Nursery (Lower Darwen) Limited | Professional & scientific | 2005 |
| Riverside Swimming Academy Limited | Arts & recreation | 2008 |
| RR Holdings (Lower Darwen) Limited | Professional & scientific | 2023 |
| RR Trading (Lower Darwen) Limited | Administrative & support | 2023 |
| Sensational Sweets Limited | Manufacturing | 2025 |
| Splash About @ Riverside Community Interest Company | Other services | 2010 |
| Valley Heating Ltd | Construction | 2020 |