| THE Board Barn Limited | Administrative & support | 2016 |
| THE Body Rule Ltd | Arts & recreation | 2018 |
| THE Bogota Coffee Company Limited | Wholesale & retail | 2013 |
| THE Boiler Brigade Limited | Construction | 2016 |
| THE Boring Board Co Ltd | Manufacturing | 2025 |
| THE Box - Beauty & Aesthetics Ltd | Other services | 2023 |
| THE Brambles (Monkston Park) Limited | Households | 2007 |
| THE Brand Purpose Network Limited | Professional & scientific | 2024 |
| THE Brent Manufacturing Company Limited | Extraterritorial | 1930 |
| THE Bridge Recruitment Group Ltd | Administrative & support | 2020 |
| THE Bridles Residential Management Company Limited | Households | 2017 |
| THE British Sports Trust | Education | 2002 |
| THE Brothers Supper Ltd | Hospitality | 2018 |
| THE Buckinghamshire Craft Guild Ltd | Wholesale & retail | 2017 |
| THE Bumblebee Alliance C.I.C. | Professional & scientific | 2004 |
| THE Burm Media Group Limited | Wholesale & retail | 2025 |
| THE Burrow Care and Support Ltd | Hospitality | 2023 |
| THE Business Case Limited | Professional & scientific | 2012 |
| THE Business Photoshoot Ltd | Professional & scientific | 2025 |
| THE Buy to LET Group Limited | Financial services | 2015 |
| THE Byte Builders Ltd | Information & communication | 2026 |
| THE Calabrian Cafe Ltd | Hospitality | 2026 |
| THE Calverton Manor Farmyard Management Company Limited | Households | 2007 |
| THE Calzone Kitchen Ltd | Manufacturing | 2012 |
| THE Campsall Business Consultancy Ltd | Professional & scientific | 2024 |
| THE Candy Studio Limited | Professional & scientific | 2017 |
| THE Car Doctor - Car Body Repair Centre Ltd | Wholesale & retail | 2025 |
| THE Car Guys MK Ltd | Wholesale & retail | 2025 |
| THE Car Rentals Business Limited | Administrative & support | 2016 |
| THE Car Workshop Limited | Wholesale & retail | 2011 |
| THE Carpet and Flooring Warehouse MK Limited | Wholesale & retail | 2024 |
| THE Carpet Warehouse (MK) Ltd | Extraterritorial | 2010 |
| THE Case Place MK Ltd | Wholesale & retail | 2019 |
| THE Catfish People Limited | Manufacturing | 2022 |
| THE Centre for Vision in the Developing World C.I.C. | Professional & scientific | 2010 |
| THE Centre Wolverton Ltd | | 2013 |
| THE Cevero Group Ltd | Construction | 2024 |
| THE Change Pathfinder Ltd | Professional & scientific | 2021 |
| THE Chestnuts (Castlethorpe) Management Ltd | Households | 2025 |
| THE Chilterns Estate Management Company Limited | Real estate | 2022 |
| THE Chimney Specialist Limited | Construction | 2008 |
| THE Chinese Overseas Christian Mission | Other services | 2009 |
| THE Claims Gateway Limited | Other services | 2016 |
| THE Coaching Worx Ltd | Education | 2020 |
| THE Coal Hatch Ltd | Wholesale & retail | 2021 |
| THE Code Makers Academy Limited | Education | 2019 |
| THE Coffee CAB Limited | Extraterritorial | 2023 |
| THE Coffee Stop MK Ltd | Hospitality | 2023 |
| THE Collider Limited | Extraterritorial | 2020 |
| THE Colour Crew LLP | | 2006 |
| THE Colour Hub Ltd | Wholesale & retail | 2024 |
| THE Comforter's Touch Ltd | Other services | 2021 |
| THE Compliance Register Limited | Financial services | 1992 |
| THE Condiment Group Ltd | Hospitality | 2017 |
| THE Conscientious Limited | Real estate | 2010 |
| THE Construction Crew(Uk) Ltd | Administrative & support | 2023 |
| THE Cracking EGG Company Limited | Wholesale & retail | 2015 |
| THE Craft Roofing Ltd | Construction | 2025 |
| THE Creation Agency (UK) Limited | Administrative & support | 2021 |
| THE Creative Astronaut Ltd | Extraterritorial | 2016 |
| THE CRO LAB Limited | Health & social care | 2020 |
| THE Cross Partnership Limited | Agriculture & fishing | 2010 |
| THE Curtain Shop (Oxford) Ltd | Wholesale & retail | 2008 |
| THE CVO Club Ltd | Other services | 2026 |
| THE DAD Gram Ltd | Wholesale & retail | 2026 |
| THE Dales Nursing Home Limited | Health & social care | 2008 |
| THE Darlo Firm Ltd | Construction | 2025 |
| THE Decanter Box Limited | Wholesale & retail | 2019 |
| THE Dering Development Co Eight Limited | Real estate | 2025 |
| THE Dering Development Co Five Limited | Real estate | 2025 |
| THE Dering Development Co Four Limited | Real estate | 2025 |
| THE Dering Development Co One Limited | Real estate | 2025 |
| THE Dering Development Co Seven Limited | Real estate | 2025 |
| THE Dering Development Co SIX Limited | Real estate | 2025 |
| THE Dering Development Co Three Limited | Real estate | 2025 |
| THE Dering Development Co Two Limited | Real estate | 2025 |
| THE Devils Horsemen U.K Ltd | Administrative & support | 2023 |
| THE Diamond Blossom Group Ltd | Professional & scientific | 2019 |
| THE Digital Change Project School Ltd | Professional & scientific | 2026 |
| THE Dine Yard Ltd | Hospitality | 2020 |
| THE Dolphin and Beyond Ltd | Hospitality | 2025 |
| THE Doohan Collective Ltd | Financial services | 2026 |
| THE Doormen Ltd | Construction | 2024 |
| THE Dream Barbershop Ltd | Other services | 2024 |
| THE Dream Hub Academy Ltd | Public administration | 2026 |
| THE Dream Maker Parties Limited | Professional & scientific | 2007 |
| THE Dream Puff Bakery Limited | Hospitality | 2025 |
| THE DRY Cleaning Company MK Ltd | Other services | 2019 |
| THE Eagle Sports Bar Ltd | Hospitality | 2024 |
| THE Earl Health Consult Limited | Health & social care | 2013 |
| THE Early Risers Community Interest Company | Other services | 2020 |
| THE Easy RAW Dog Food Co. Limited | Manufacturing | 2017 |
| THE ECU Group Public Limited Company | Financial services | 1988 |
| THE Edencare Group Ltd | Administrative & support | 2025 |
| THE Electrical Network (Scarborough) Limited | Wholesale & retail | 2009 |
| THE Elite Creative Solutions Ltd | Transport & logistics | 2024 |
| THE Elite Crowd Ltd | Other services | 2024 |
| THE Employment Group (South East) Ltd | Administrative & support | 2017 |
| THE Epic Boating Company Ltd | Manufacturing | 2021 |
| THE EQI Glow Ltd. | Professional & scientific | 2023 |