| THE Association of Member Nominated Trustees Limited | Other services | 2012 |
| THE Bathroom Studio (Kettering) Limited | Wholesale & retail | 2001 |
| THE Bean Hive by the Sea Limited | Wholesale & retail | 2020 |
| THE Bean Hive Limited | Wholesale & retail | 2018 |
| THE Beaute Group Ltd | Manufacturing | 2023 |
| THE Beaute Group Properties Ltd | Real estate | 2026 |
| THE Bennie Group Limited | Professional & scientific | 1941 |
| THE Berry Company UK Limited | Information & communication | 2007 |
| THE Blackman Livestock Company Limited | Wholesale & retail | 2023 |
| THE Business Finance Group Limited | Financial services | 2020 |
| THE Cable GUY Limited | Construction | 2007 |
| THE Carbon Fibre Company Limited | Manufacturing | 2025 |
| THE Chef on Cloud Ltd | Hospitality | 2020 |
| THE Chris Matchan Partnership Limited | Professional & scientific | 2003 |
| THE Complete Home Care Agency Limited | Financial services | 1996 |
| THE Conditioning House Limited | Real estate | 2016 |
| THE CPD Group Limited | Education | 2017 |
| THE Creative Spirit (Holdings) Limited | Financial services | 2014 |
| THE Crown African Limited | Wholesale & retail | 2022 |
| THE Crystal Barn Ltd | Wholesale & retail | 2013 |
| THE Curtain Shop (Kettering) Limited | Wholesale & retail | 2003 |
| THE Dapper House Ltd | Wholesale & retail | 2018 |
| THE Diner Trading Company Ltd | Hospitality | 2013 |
| THE Duffin Partnership LLP | | 2018 |
| THE East Northants Land Rover Owners Club Limited | Arts & recreation | 2000 |
| THE Eclectic Development Company Limited | Real estate | 2020 |
| THE Electric Car and Charging Co Ltd | Professional & scientific | 2004 |
| THE ELY Cloisters Estate Limited | Real estate | 2005 |
| THE Epic Card Show Ltd | Administrative & support | 2025 |
| THE Excellence Hub Ltd | Professional & scientific | 2024 |
| THE Exterior Gent Ltd | Administrative & support | 2023 |
| THE Fernando Medical Group Ltd | Health & social care | 2023 |
| THE Fieldings (Brigstock) Management Company Ltd | Households | 2016 |
| THE Finance Directory Ltd | Information & communication | 2023 |
| THE Food Barn (Northants) Limited | Hospitality | 2022 |
| THE Friary DE1 Limited | Real estate | 2026 |
| THE Garden Shop UK Limited | Wholesale & retail | 2009 |
| THE Glass Factory (Kettering) Limited | Administrative & support | 2004 |
| THE Glass Florist Ltd | Manufacturing | 2021 |
| THE Great Little Emporium Ltd | Wholesale & retail | 2011 |
| THE Green Building Products Company Limited | Extraterritorial | 2006 |
| THE Green Room (Hair & Beauty) Limited | Other services | 2020 |
| THE Handpicked Wine Box Ltd | Wholesale & retail | 2021 |
| THE Happy Head Practice Limited | Administrative & support | 2021 |
| THE Hatton Park Motor Company Limited | Professional & scientific | 2003 |
| THE Henson Way Management Company Limited | Administrative & support | 1989 |
| THE HERO19 Ltd | Manufacturing | 2023 |
| THE Highland Smokehouse Ltd | Other services | 2011 |
| THE Hill Collective Ltd | Wholesale & retail | 2026 |
| THE Human Performance Specialist Limited | Administrative & support | 2026 |
| THE HUT (Kettering) Limited | Hospitality | 2021 |
| THE I O of Advanced Education Ltd | Education | 2025 |
| THE Irish Dancer Limited | Manufacturing | 2016 |
| THE Junction NG1 Limited | Real estate | 2026 |
| THE Keep Fit Association | Arts & recreation | 1992 |
| THE Kettering Car Company Ltd | Wholesale & retail | 2023 |
| THE Lead Alchemists Agency Limited | Professional & scientific | 2021 |
| THE Leafy PUP Company Ltd | Administrative & support | 2023 |
| THE Limes Specialists Limited | Real estate | 2012 |
| THE Links Residents Limited | Households | 1990 |
| THE Linnetts Management Company Limited | Households | 2005 |
| THE Little Baking Company Limited | Manufacturing | 2015 |
| THE Little White Truck Company Ltd | Administrative & support | 2022 |
| THE Lobster POT (Mousehole) Limited | Administrative & support | 2018 |
| THE Logan Press Limited | Professional & scientific | 2020 |
| THE Loler MAN Ltd | Manufacturing | 2022 |
| THE Manse Retreat Ltd | Health & social care | 2022 |
| THE Mark Method Ltd | Arts & recreation | 2017 |
| THE Master Wishmaker England Limited | Extraterritorial | 2018 |
| THE MDS Estates Limited | Financial services | 2014 |
| THE Mega Care Community CIC | Education | 2025 |
| THE Midwives Circle and Wellness Centre Ltd | Health & social care | 2023 |
| THE MMA Gymnasium Limited | Arts & recreation | 2010 |
| THE Moorings X Koto Elton Ltd | Administrative & support | 2024 |
| THE Mortgage Store (IAN Wilson) Limited | Financial services | 2015 |
| THE Moving Crew Ltd | Transport & logistics | 2024 |
| THE Mxmile Ltd | Manufacturing | 2024 |
| THE Native School Ltd | Extraterritorial | 2011 |
| THE New Bridge Associates Limited | Wholesale & retail | 2016 |
| THE New Thornhill Arms Ltd | Hospitality | 2025 |
| THE North Pole Productions Ltd | Arts & recreation | 2019 |
| THE Oak Manor Care Limited | Health & social care | 2024 |
| THE Oak Manor Property Ltd | Real estate | 2024 |
| THE Old Poultry Farm EST. Limited | Financial services | 2019 |
| THE Old Poultry Padel Club Limited | Arts & recreation | 2025 |
| THE Olde Three Cocks Brigstock Ltd | Hospitality | 2024 |
| THE Oliver Twist (Irthlingborough) Ltd | Hospitality | 2008 |
| THE Operations People Limited | Professional & scientific | 2015 |
| THE Outcome Network Ltd | Professional & scientific | 2025 |
| THE Overstone Arms PUB & Dining Limited | Hospitality | 2024 |
| THE Paddocks (Stanion) Management Company Limited | Real estate | 2004 |
| THE Pallet Timber Group Limited | Financial services | 2023 |
| THE Paving and Landscaping Centre Ltd | Wholesale & retail | 2026 |
| THE PEN Creative Limited | Hospitality | 2025 |
| THE Photography Space C.I.C. | Professional & scientific | 2026 |
| THE Pink Ladies Cleaning Services Ltd | Administrative & support | 2025 |
| THE Plunge House Ltd | Hospitality | 2025 |
| THE Present Situation Ltd | Extraterritorial | 2021 |
| THE Process House Ltd | Information & communication | 2014 |
| THE Promo People Ltd | Administrative & support | 2009 |