| Assoc. of Consultation and Engagement Professionals Ltd | Other services | 2023 |
| Aviation TS Ltd | Other services | 2025 |
| Axial Media Limited | Financial services | 2023 |
| C S P Scaffolding Ltd | Construction | 2013 |
| Caistor Car and Commercial Ltd | Wholesale & retail | 2025 |
| Caistor Heritage Trust | Arts & recreation | 2011 |
| Caistor Management Consultants Limited | Professional & scientific | 2012 |
| Constructionlca Ltd | Professional & scientific | 2015 |
| Elevare Venture Holdings Ltd | Financial services | 2025 |
| Evergreen Drive Caistor Limited | Real estate | 2015 |
| Fusion CLC Limited | Wholesale & retail | 2014 |
| Hedges and Hedges Limited | Real estate | 2024 |
| Helz Kitchen (Caistor) Ltd | Hospitality | 2025 |
| HJW Motors Ltd | Wholesale & retail | 2019 |
| Jand Property LLP | | 2013 |
| K Kirkby Services Ltd | Construction | 2024 |
| Knapton Wright Ltd | Information & communication | 2014 |
| Lancaster Line Limited | Manufacturing | 2016 |
| MAD Design Group UK Limited | Wholesale & retail | 2018 |
| Mansgate Quarry Products Ltd | Professional & scientific | 2013 |
| Mideas Creative Limited | Other services | 2013 |
| Modo Digital Ltd | Real estate | 2025 |
| Nicol Properties Ltd | Real estate | 2025 |
| PEM Engineering & Construction Limited | Construction | 2020 |
| PEM Supplies Limited | Real estate | 2016 |
| People Process Technology Ltd | Professional & scientific | 2021 |
| Quintessential Aesthetics KQ Limited | Health & social care | 2024 |
| Quintessential Beauty HQ Limited | Arts & recreation | 2024 |
| THE Beauty Emporium Caistor Ltd | Other services | 2023 |
| Trackside Guns and Archery Ltd | Wholesale & retail | 1999 |
| Venture 4X4 Ltd | Administrative & support | 2024 |