| 00199050 Limited | Professional & scientific | 1924 |
| 06300929 Ltd | Hospitality | 2007 |
| 1 2 3 Financial Ltd | Information & communication | 2016 |
| 100 Ladles (Action for Homelessness & Hunger) Ltd | Hospitality | 2017 |
| 108 Lettings & Property Management Ltd | Real estate | 2018 |
| 123 Camps Ltd | Administrative & support | 2016 |
| 123 Property Development Ltd | Construction | 2024 |
| 14 Barber Time Ltd | Other services | 2025 |
| 177 Automotive Ltd | Transport & logistics | 2025 |
| 21 Brunch Street Limited | Hospitality | 2026 |
| 24H Car Body Repair Ltd | Wholesale & retail | 2025 |
| 24HRS Lockdown Group Limited | Administrative & support | 2025 |
| 25CLEAN Ltd | Hospitality | 2025 |
| 264 Haulage Limited | Transport & logistics | 2020 |
| 27 Vartry Road Limited | Households | 2012 |
| 2K Safety Limited | Administrative & support | 2022 |
| 3 Horseshoes Ecton Limited | Hospitality | 2010 |
| 3 Lions Holdings Ltd | Financial services | 2021 |
| 3 Lions Investments (Northants) Ltd | Real estate | 2021 |
| 3 Lions Security Ltd | Administrative & support | 2015 |
| 3 Star Packaging Ltd | Wholesale & retail | 2015 |
| 3-PHASE Electrics Ltd | Construction | 2025 |
| 33A Fladgate Road Freehold Limited | Hospitality | 2017 |
| 3CR Property Ltd | Real estate | 2026 |
| 3D'S Global Concept Limited | Administrative & support | 2014 |
| 3DESIGNZ Ltd | Wholesale & retail | 2023 |
| 3E (UK) Ltd | Manufacturing | 2008 |
| 3JMIE Ltd | Manufacturing | 2024 |
| 3RD EYE AI Ltd | Information & communication | 2026 |
| 46 Degrees Logistics Limited | Transport & logistics | 2015 |
| 47 Facilities Limited | Wholesale & retail | 2018 |
| 4PAW Marketing Ltd | Professional & scientific | 2023 |
| 5 Pearl Recruitment Limited | Administrative & support | 2019 |
| 51 Wines Ltd | Wholesale & retail | 2023 |
| 5391741RH-AU Limited | Extraterritorial | 2017 |
| 567342 Limited | Extraterritorial | 2017 |
| 5Q Holdings Ltd | Professional & scientific | 2008 |
| 62 Paddington Exchange Limited | Construction | 2016 |
| 664 Events Limited | Arts & recreation | 2025 |
| 664TECH Ltd | Professional & scientific | 2019 |
| 7 by 7 Logistics & Removals Ltd | Transport & logistics | 2023 |
| 77 QS Ltd | Professional & scientific | 2022 |
| 7SU Ltd | Construction | 2026 |
| 8 Logistics Limited | Wholesale & retail | 2017 |
| 81 Stamford Road (Kettering) Management Company Limited | Households | 2018 |
| 97 Gloucester Road Limited | Households | 2017 |
| 9SENSE Physiotherapy Alliance Ltd | Health & social care | 2025 |
| A & DK Legal Ltd | Professional & scientific | 2024 |
| A & J Distribution Limited | Wholesale & retail | 2024 |
| A & J Sectional Buildings Limited | Manufacturing | 1984 |
| A & L Health Care Ltd | Health & social care | 2018 |
| A & R Building Contractors Limited | Construction | 2021 |
| A & R Print Solutions Ltd | Manufacturing | 2005 |
| A & T Building and Roofing Specialists Limited | Construction | 2003 |
| A & T Roofing Specialists Limited | Administrative & support | 2009 |
| A Achim Ltd | Transport & logistics | 2020 |
| A BIT of Green Ltd | Administrative & support | 2007 |
| A C GEE Limited | Health & social care | 2009 |
| A Cooling Limited | Energy | 2016 |
| A D Lunan Ltd | Professional & scientific | 2026 |
| A Daraban Design Engineering Ltd | Professional & scientific | 2019 |
| A Giurca Ltd | Transport & logistics | 2018 |
| A H Roofing Limited | Construction | 2011 |
| A J Easton Services Limited | Other services | 2003 |
| A J Wiejak Transport Limited | Transport & logistics | 2014 |
| A K Alkins Consultancy Ltd | Administrative & support | 2025 |
| A M Williams Haulage Limited | Transport & logistics | 2015 |
| A Mitchell Electrical Ltd | Construction | 2006 |
| A Morgan Services Limited | Professional & scientific | 2017 |
| A Olive Limited | Administrative & support | 2022 |
| A One Brar Construction Ltd | Real estate | 2025 |
| A One Brar Flooring Ltd | Construction | 2023 |
| A One Brar Logistics Ltd | Transport & logistics | 2026 |
| A R Flats Management Limited | Real estate | 2005 |
| A R Worker Construction Ltd | Construction | 2021 |
| A Ramanchik Ltd | Transport & logistics | 2017 |
| A RUS PTF Limited | Construction | 2015 |
| A Starr Properties Limited | Real estate | 2015 |
| A Vapers Lyfe Ltd | Wholesale & retail | 2021 |
| A Woods Contracts Ltd | Construction | 2019 |
| A&B Ndoci Ltd | Construction | 2026 |
| A&C Construction (Northampton) Limited | Construction | 2015 |
| A&C Solutions Ltd | Professional & scientific | 2025 |
| A&D Chassis and Fabrications Ltd | Construction | 2026 |
| A&E Gardening Ltd | Administrative & support | 2024 |
| A&Fhomeimprovements Ltd | Manufacturing | 2025 |
| A&G Metals Solutions Ltd | Wholesale & retail | 2017 |
| A&H Barbers Limited | Other services | 2025 |
| A&I Limited | Construction | 2023 |
| A&J Lewis Ltd | Transport & logistics | 2017 |
| A&J Property Services Ltd | Construction | 2022 |
| A&M Mobiles Ltd | Wholesale & retail | 2021 |
| A&P Systems Limited | Information & communication | 2020 |
| A&T Scaffolding Services Ltd | Administrative & support | 2017 |
| A-Lift Crane Hire (Holdings) Limited | Construction | 2011 |
| A. & P. Builders Limited | Construction | 2000 |
| A.C Briglin Gardening Services Limited | Administrative & support | 2025 |
| A.G. Vayllen Creative Atelier Ltd | Wholesale & retail | 2026 |
| A.L.T.E. Maintenance Services Limited | Other services | 2006 |
| A.N.C Haulage Limited | Transport & logistics | 2018 |