| 3WELL Limited | Health & social care | 2008 |
| 4PASSION Care Ltd | Health & social care | 2015 |
| A.E Supply Limited | Construction | 2019 |
| Ace Seating Limited | Administrative & support | 2010 |
| Aelmid Engineering Limited | Professional & scientific | 2020 |
| Agricure Ltd | Professional & scientific | 2011 |
| Airborne Lifting Controls Limited | Construction | 2014 |
| Amidor Ltd | Administrative & support | 2025 |
| Andtommac Investments Ltd | Financial services | 2021 |
| Avonsya Health Ltd | Health & social care | 2022 |
| Bespoke Apartments UK Limited | Other services | 2008 |
| Birchester Medicare Services Limited | Health & social care | 2022 |
| Black Star Property Ltd | Construction | 2016 |
| Buildalliance Ltd | Professional & scientific | 2026 |
| C & I Developments Limited | Construction | 2017 |
| Camper Craft Creation LLP | | 2025 |
| Chartered Business Group Limited | Professional & scientific | 1990 |
| Chartered Investigations Group Limited | Professional & scientific | 1990 |
| Circus 2000 Limited | Arts & recreation | 2009 |
| Clopton Hall Estates Limited | Households | 2011 |
| Conalt Ltd | Construction | 2025 |
| Curry Passion Ltd | Hospitality | 2020 |
| DALEHAM23 Ltd | Construction | 2019 |
| David & Zara Shepherd Ltd | Administrative & support | 2019 |
| DR. Bankart and Partners LLP | | 2012 |
| DSH Hospitality Ltd | Hospitality | 2024 |
| E N T C Ltd | Administrative & support | 2018 |
| EBJ Properties Limited | Construction | 2018 |
| EN Tout CAS Holdings Limited | Financial services | 2024 |
| Eozee Limited | Energy | 2021 |
| Farrington Property Holdings Ltd | Real estate | 2026 |
| Fuse Barbers & Co. Ltd | Other services | 2025 |
| Gatting Ltd | Wholesale & retail | 2023 |
| Gavin Clay Limited | Wholesale & retail | 2017 |
| Giuliano Automotive UK Ltd | Professional & scientific | 2025 |
| Gripping Stuff TV Ltd | Information & communication | 2020 |
| GV Consultancy (Oundle) Limited | Professional & scientific | 2025 |
| Hall Asset Management Ltd | Financial services | 2022 |
| Harworth House Management Company Limited | Households | 1982 |
| HIT Consulting Limited | Administrative & support | 2017 |
| Howard David Associates LLP | | 2004 |
| Hudson Properties (ARK) Ltd | Real estate | 2021 |
| Image Exclusive Ltd. | Wholesale & retail | 2010 |
| Insignia Racing Limited | Arts & recreation | 2010 |
| Iseo Limited | Information & communication | 2007 |
| J K Alexander Ltd | Construction | 2020 |
| Jaakke Developments Ltd | Construction | 2019 |
| Jeune Wellness Limited | Other services | 2025 |
| JJ Solicitors Limited Liability Partnership | | 2007 |
| JP Showsystems Limited | Professional & scientific | 2021 |
| Katz Dancewear Limited | Manufacturing | 1979 |
| Keka Group Limited | Other services | 2013 |
| Kelland Properties Limited | Construction | 2001 |
| Kerson Construction Limited | Construction | 2013 |
| L J & Associates Limited | Professional & scientific | 2017 |
| Lahnstein Court Management Company Limited | Households | 2002 |
| LEX Omnium Limited | Administrative & support | 2005 |
| Living Vision Limited | Other services | 2008 |
| Logic Scaffolding London Limited | Construction | 2013 |
| Manor House MC Limited | Households | 2020 |
| MCO Accounts Services Ltd | Professional & scientific | 2024 |
| MCO Business Assist Ltd | Financial services | 2011 |
| Mission Hall Partners Limited | Professional & scientific | 2026 |
| Nene Extreme Adventures Ltd | Other services | 2015 |
| Nene Valley Plant Limited | Administrative & support | 2020 |
| North Barn Properties Limited | Real estate | 2015 |
| Nwave Events Ltd | Administrative & support | 2020 |
| Oakwood (Oundle) Limited | Manufacturing | 2025 |
| OBC Ltd | Professional & scientific | 2009 |
| Oundle and Stamford Mortgage Services Ltd | Financial services | 2019 |
| Oundle Bespoke Apartments Limited | Real estate | 2008 |
| Oundle Engineers Ltd | Professional & scientific | 2020 |
| Oundle Plant Hire Ltd | Construction | 2019 |
| Oundle School Enterprises Limited | Real estate | 1988 |
| Parson Latham's Hospital in Oundle | Real estate | 2022 |
| PB Customs Ltd | Wholesale & retail | 2021 |
| PDP Aggregates Ltd | Administrative & support | 2024 |
| Pre-Develop Archaeology Ltd | Administrative & support | 2022 |
| RC Properties Ltd | Real estate | 2020 |
| Red Kite (Training & Development) Limited | Professional & scientific | 2019 |
| Renom Ltd | Professional & scientific | 2026 |
| Rockleigh Limited | Agriculture & fishing | 2016 |
| Ross Gilbert Group Limited | Financial services | 2019 |
| RWR Weldon Limited | Construction | 2016 |
| S Shaw Landscapes Ltd | Administrative & support | 2022 |
| SAN Felice Ltd | Professional & scientific | 2017 |
| SDM Group Holdings Ltd | Financial services | 2023 |
| SJH Project Solutions Ltd | Professional & scientific | 2025 |
| Soar Development Ltd | Administrative & support | 2015 |
| Springwood Developments Limited | Construction | 2006 |
| Springwood Turf & Landscaping Limited | Agriculture & fishing | 2002 |
| Tinsley Transport Consultants Limited | Transport & logistics | 2017 |
| Tischon Ltd | Manufacturing | 2022 |
| Torkmar Ltd | Other services | 2022 |
| Total Sports Camps Ltd | Arts & recreation | 2025 |
| Tuana M Ltd | Hospitality | 2025 |
| Vincent Sykes Solicitors LLP | | 2021 |
| Virdee Real Estate Ltd | Real estate | 2019 |
| Writeplan Ltd | Professional & scientific | 2023 |
| Young's Floor Care Limited | Administrative & support | 2012 |