| Matrix Marketing & Distribution Services Limited | Other services | 2006 |
| MBI Technologies Ltd | Information & communication | 2015 |
| MDC Landscapes Limited | Administrative & support | 2011 |
| MDM Sigma Limited | Manufacturing | 2023 |
| Mill Barn Packaging Limited | Extraterritorial | 2017 |
| N & J Crouchman Limited | Transport & logistics | 2018 |
| Northumberland Property Rentals Limited | Extraterritorial | 2020 |
| NP Country Homes Ltd | Construction | 2014 |
| On-Set Location Services Limited | Information & communication | 1991 |
| Opeslife Ltd | Administrative & support | 2016 |
| Ovana Capital Limited | Financial services | 2013 |
| PAK5 Ltd | Construction | 2025 |
| Park Lane Events Limited | Other services | 2015 |
| Parrott Utilities Ltd | Construction | 2016 |
| Pilot Heating & Plumbing Solutions Limited | Construction | 2007 |
| Primett Homes Ltd | Real estate | 2022 |
| Production Accounting Services Ltd | Professional & scientific | 2024 |
| Production Accounting Solutions Limited | Professional & scientific | 2022 |
| Revive Hair Limited | Other services | 2022 |
| Richardson Maintenance Services Limited | Administrative & support | 2017 |
| Ricky James Ltd | Other services | 2023 |
| Ridge Tree Limited | Financial services | 2026 |
| Russell EIC Ltd | Construction | 2025 |
| Savvy Zebra Limited | Financial services | 2019 |
| Secret Surgeon Ltd | Health & social care | 2018 |
| SEG Inns Limited | Hospitality | 2023 |
| Sharpe Catering Limited | Hospitality | 2016 |
| Sheppard Electrical Solutions Ltd | Construction | 2024 |
| Sheppard Firewood Limited | Agriculture & fishing | 2019 |
| Sheppards Farm Shop Ltd | Wholesale & retail | 2024 |
| Shire Roofing (Southill) Limited | Construction | 2012 |
| SHM Surgical Services Ltd | Health & social care | 2026 |
| Sundorne Bouncy Castles Ltd | Extraterritorial | 2022 |
| Teaching Tots Limited | Education | 2006 |
| Tenacore UK Limited | Manufacturing | 2011 |
| THE Aviary of Fowlmere Management Company Limited | Households | 2026 |
| THE Fenstanton PUB Co Ltd | Hospitality | 2025 |
| THE Party Doctors Limited | Extraterritorial | 2022 |
| THE Potton Flooring Company Limited | Wholesale & retail | 2005 |
| Thorne Bros Scaffolding Limited | Construction | 2015 |
| Thorne Scaffolding Limited | Construction | 2025 |
| Toni Clarkson Associates Ltd. | Professional & scientific | 2007 |
| Traraf Properties Ltd | Real estate | 2024 |
| Triple Oak Developments Ltd | Construction | 2021 |
| Trupath Navigators Limited | Professional & scientific | 2021 |
| Unique Group Services Limited | Wholesale & retail | 2019 |
| Universal Medical ID Limited | Administrative & support | 2008 |
| Unlimited Ecommerce Limited | Professional & scientific | 2019 |
| Viking Risk Management Ltd | Professional & scientific | 2017 |
| Vortex AI Ltd | Information & communication | 2026 |
| Waxy Monkey Music Limited | Wholesale & retail | 2010 |
| West Midlands Laser & Aesthetics Clinic Limited | Other services | 2010 |
| William's CCS Ltd | Information & communication | 2023 |
| WRG Inns Limited | Hospitality | 2025 |