| A & G Brothers Ltd | Wholesale & retail | 2017 |
| A K Fortescue Ltd | Water & waste | 2016 |
| Abiica LLP | | 2002 |
| Abiica Properties Ltd | Hospitality | 2017 |
| Adaptable Services Limited | Professional & scientific | 2012 |
| Ampsair Limited | Administrative & support | 2011 |
| Andrew Mcmahon Building Services Limited | Construction | 2005 |
| Animals at Home (Nene Valley District) Ltd | Administrative & support | 2015 |
| Anna Burdett Consultancy Limited | Education | 2024 |
| Antem Estates Limited | Real estate | 2023 |
| Apisoft Ltd | Information & communication | 2017 |
| Applied Technology Developments Limited | Manufacturing | 1989 |
| Aria D Medical Ltd | Health & social care | 2022 |
| Ashby's Allsorts Limited | Construction | 2018 |
| Aspire Wise Education Limited | Education | 2020 |
| Association of British Professional Conference Organisers(The) | Other services | 1987 |
| Atlantico Property Services Limited | Real estate | 2006 |
| Atlas Martial Arts Limited | Education | 2022 |
| B L Brickwork Limited | Administrative & support | 2012 |
| Becoming Limited | Extraterritorial | 2010 |
| Berry's Cafe & Bistro Ltd | Hospitality | 2025 |
| Black Bear Investments Limited | Extraterritorial | 2014 |
| Blue Olive Northants Ltd | Hospitality | 2019 |
| Blue Sky Visuals Limited | Administrative & support | 2007 |
| Bosworth's Couriers and Haulage Limited | Transport & logistics | 2017 |
| Brandhouse International Limited | Wholesale & retail | 1997 |
| Brooks Road BA Ltd | Construction | 2022 |
| Business Growth Consultants Ltd | Professional & scientific | 2011 |
| C.J. Holman & Co. Limited | Wholesale & retail | 2018 |
| Camrass & Company Ltd | Professional & scientific | 2011 |
| Charlton Gray Homes Limited | Construction | 2019 |
| Cloutman Limited | Administrative & support | 2022 |
| Cuckoo House Ltd | Administrative & support | 2011 |
| CWE Properties Limited | Real estate | 2020 |
| D H Commercial Limited | Transport & logistics | 2007 |
| D.A. Watts & Sons Limited | Construction | 1999 |
| Daniel Groom Limited | Administrative & support | 2007 |
| Dardail LLP | | 2013 |
| Debbie Smith Therapies Ltd | Health & social care | 2011 |
| Denford Construction Limited | Administrative & support | 2013 |
| Ebiketyres Ltd | Administrative & support | 2021 |
| Elements Construction Group Limited | Construction | 2020 |
| Ellis Media Group Limited | Administrative & support | 2016 |
| Ellrose Property Maintenance Ltd | Construction | 2006 |
| Energising Business Limited | Professional & scientific | 2004 |
| Energy Roots Ltd | Administrative & support | 2011 |
| Escape Beauty and Wellbeing Limited | Arts & recreation | 2007 |
| Farr Scaffolding Ltd | Construction | 2022 |
| Fishing Association Ltd | Agriculture & fishing | 2021 |
| Ford Procurement & Construction Consultants Fpcc Ltd | Wholesale & retail | 2018 |
| Forth Storey Limited | Administrative & support | 2010 |
| Frozen Technologies Ltd | Manufacturing | 2017 |
| GCS Cars Limited | Wholesale & retail | 2005 |
| GIL Consulting Limited | Administrative & support | 2024 |
| Glenn Purcell Limited | Administrative & support | 2011 |
| Goldingsteele Limited | Other services | 2007 |
| Greans (Great Yarmouth) Ltd | Hospitality | 2013 |
| Grimm Aerosol UK Ltd | Administrative & support | 2008 |
| GT Commercials 2008 Limited | Administrative & support | 2008 |
| Hadcas Limited | Administrative & support | 2014 |
| Handcraft Interiors Limited | Administrative & support | 2014 |
| Harcal Landscapes Limited | Administrative & support | 2021 |
| Hellodpo Law Ltd | Professional & scientific | 2018 |
| Heritage KLS Ltd | Health & social care | 2024 |
| Hillcrest Electrical Services Limited | Construction | 2021 |
| Holoptica (UK) Limited | Wholesale & retail | 2013 |
| Homefindsolutions Ltd | Real estate | 2017 |
| Hospitality Limited | Administrative & support | 2015 |
| HR Davies Fire Consulting Ltd | Public administration | 2026 |
| Integrity Homes Group Ltd | Real estate | 2024 |
| Intex Property Limited | Construction | 2006 |
| J and L Sales Limited | Administrative & support | 2005 |
| J P Wonfor Limited | Administrative & support | 2011 |
| Jacksons Milk Deliveries Ltd | Wholesale & retail | 2018 |
| Jason Ames Roofing Services Limited | Construction | 2019 |
| Jeff's Way Community Interest Company | Hospitality | 2019 |
| Jellijam Properties Ltd | Real estate | 2020 |
| Jesmond Dene Properties Ltd | Real estate | 2025 |
| Jjar Limited | Administrative & support | 2010 |
| John Draper Consulting Limited | Administrative & support | 2015 |
| JON Essam & Co Holdings Limited | Real estate | 2011 |
| K Russell Consulting Limited | Administrative & support | 2011 |
| Kabaghe Enterprise Ltd | Agriculture & fishing | 2014 |
| Kearsley Veterinary Services Limited | Administrative & support | 2015 |
| Kenny & Sons Ltd | Extraterritorial | 2016 |
| Kevin Saddington Ltd | Information & communication | 2011 |
| KH & B Medical Services Ltd | Health & social care | 2016 |
| KLB Haulage Limited | Transport & logistics | 2012 |
| Kmbs Consulting Ltd | Professional & scientific | 2010 |
| Limitless Plumbing & Heating Ltd | Administrative & support | 2022 |
| Limitless William Homes Ltd | Real estate | 2022 |
| Lloyd Mills Heritage Limited | Administrative & support | 2022 |
| M&S Demolition Ltd | Construction | 2026 |
| MD & HL Transport Ltd | Transport & logistics | 2025 |
| MJ Gray Limited | Administrative & support | 2010 |
| Mowerman Garden Machinery Limited | Wholesale & retail | 2016 |
| NAILS80 Ltd | Other services | 2020 |
| NAT Elliott Services Limited | Transport & logistics | 2014 |
| Nationwide Power Connections Limited | Extraterritorial | 2024 |
| Nectar Consulting Limited | Administrative & support | 2011 |