| THE Best Fuel Card Company Limited | Wholesale & retail | 2016 |
| THE Bitcoin Miner Ltd | Wholesale & retail | 2026 |
| THE Black Cardamon Limited | Hospitality | 2024 |
| THE Black Lion Lampeter 2026 Ltd | Hospitality | 2026 |
| THE Blush Room Limited | Other services | 2018 |
| THE Body Bakery UK Ltd | Other services | 2023 |
| THE Brass Band Summer School Limited | Arts & recreation | 1989 |
| THE Bridal Clearance House Ltd | Wholesale & retail | 2001 |
| THE Bridal Edit Co. Ltd | Information & communication | 2026 |
| THE Buckingham (Tenby) Management Company Limited | Real estate | 2010 |
| THE Caerleon Village Bakery Limited | Wholesale & retail | 2019 |
| THE Cafe at Ridgeway Limited | Hospitality | 2014 |
| THE Canteen Newport Limited | Hospitality | 2022 |
| THE Capable Hub | Information & communication | 2025 |
| THE Car JAM Limited | Wholesale & retail | 2023 |
| THE Car Link South Wales Ltd | Wholesale & retail | 2019 |
| THE Carpenters Arms (Coed - Y - Paen) Ltd | Hospitality | 2004 |
| THE Carpet & BED Co (Newport) Limited | Wholesale & retail | 2011 |
| THE Carpet Cleaning Professor Ltd | Administrative & support | 2024 |
| THE Carpet Company of London Limited | Wholesale & retail | 2013 |
| THE Cellar Bar & Kitchen Limited | Hospitality | 2019 |
| THE Celtic Manor Resort Limited | Hospitality | 2013 |
| THE Central Store (Huntington) Ltd | Real estate | 2018 |
| THE Chepstow Rainbow Trust | Wholesale & retail | 2000 |
| THE Chris Stapleton Experience Ltd | Arts & recreation | 2024 |
| THE Cigar Manor Ltd | Wholesale & retail | 2023 |
| THE Clean Oven Co. Limited | Administrative & support | 2006 |
| THE Cleaning Company South Wales Ltd | Administrative & support | 2020 |
| THE Cliff Hall Ltd | Hospitality | 2018 |
| THE Cloisters (Sandown) Residents Association Limited | Households | 1992 |
| THE Cockle IOW Ltd | Hospitality | 2025 |
| THE COD Father Limited | Hospitality | 2000 |
| THE Cold Room (Newport) Ltd | Other services | 2025 |
| THE College of Parapsychology (U.K.) Limited | Extraterritorial | 1995 |
| THE Colonnade 1994 Limited | Households | 1994 |
| THE Combat Core Limited | Wholesale & retail | 2024 |
| THE Commissioning Team Ltd | Professional & scientific | 2008 |
| THE Compliance Team Limited | Professional & scientific | 2026 |
| THE Conveyancing Foundation | Administrative & support | 2014 |
| THE Conveyancing Taskforce Limited | Administrative & support | 2021 |
| THE Cookalong Clwb Limited | Hospitality | 2023 |
| THE Corpa Cafe Ltd | Hospitality | 2022 |
| THE Corrupt Drinks Company Limited | Manufacturing | 2016 |
| THE Cosy CUP Coffee Ltd | Hospitality | 2025 |
| THE Courtyard Aesthetic Clinic Limited | Administrative & support | 2020 |
| THE Craft and Makers Market Limited | Wholesale & retail | 2026 |
| THE Craft Emporium Newport Limited | Wholesale & retail | 2024 |
| THE Creator Accountant Limited | Professional & scientific | 2023 |
| THE Cresbow Group Limited | Extraterritorial | 2020 |
| THE Crispin PH Limited | Hospitality | 2012 |
| THE Croft (Kenfig) Limited | Hospitality | 2004 |
| THE Cuddle AI Limited | Information & communication | 2025 |
| THE Curling Club Ltd | Arts & recreation | 2022 |
| THE CUT London Group Ltd | Manufacturing | 2026 |
| THE DC Agency Limited | Professional & scientific | 2017 |
| THE Design Mill Limited | Administrative & support | 2004 |
| THE Designers Company (UK) Limited | Professional & scientific | 2018 |
| THE Diamond Look Limited | Other services | 2021 |
| THE Diary Group Ltd | Manufacturing | 2026 |
| THE Disability Advice Project Ltd | Professional & scientific | 2013 |
| THE Don's Barber Limited | Other services | 2023 |
| THE Dottens Management Company Ltd | Households | 2019 |
| THE Eight Bells IOW Limited | Hospitality | 2022 |
| THE Electric Salvage Company Limited | Wholesale & retail | 1996 |
| THE Electric Salvage Group Limited | Professional & scientific | 2005 |
| THE Electrical Group Ltd | Construction | 2021 |
| THE Elite Performance Consultancy Limited | Health & social care | 2021 |
| THE Energy Discount Store Ltd | Professional & scientific | 2026 |
| THE Equine Market Ltd | Wholesale & retail | 2024 |
| THE Escape Rooms Newport LLP | | 2017 |
| THE Everest (Group) Limited | Administrative & support | 2011 |
| THE Exchange Vinyl Ltd | Manufacturing | 2014 |
| THE Fairways Creigiau Limited | Hospitality | 2023 |
| THE Falconry Expereince Ltd | Arts & recreation | 2024 |
| THE Feel Good Muffin Company Ltd | Administrative & support | 2011 |
| THE Fighting Cocks Limited | Hospitality | 2015 |
| THE Finishing Company Limited | Arts & recreation | 2013 |
| THE Finishing Touch Studios Limited | Other services | 2025 |
| THE Fire Retardant Furniture Co. Limited | | 1988 |
| THE Fireplace (Isle of Wight) Limited | Wholesale & retail | 2002 |
| THE Firs (Ryde) Management Company Limited | Households | 2008 |
| THE Flybridge Club Ltd | Hospitality | 2023 |
| THE Folly Estate Ltd | Hospitality | 2019 |
| THE Footprint Trust Ltd | Education | 2002 |
| THE Forge (IW) Limited | Manufacturing | 2010 |
| THE Fork and Tune CIC | Other services | 2026 |
| THE FOX at Kirton Ltd | Hospitality | 2025 |
| THE Frying COD Limited | Hospitality | 2024 |
| THE Furlongs (Westergate) Management Company Limited | Households | 2017 |
| THE Future Candy Company Ltd | Manufacturing | 2023 |
| THE Gaff (Holdings) Limited | Financial services | 2020 |
| THE Gaff Deli 1 Limited | Wholesale & retail | 2021 |
| THE Gallops IOW Limited | Hospitality | 2017 |
| THE Garden Nursery (London) Limited | Health & social care | 2015 |
| THE George and Dragon Ltd | Hospitality | 2021 |
| THE Gilbertine Kitchen Ltd | Hospitality | 2019 |
| THE Glade Cafe, Rogerstone Limited | Hospitality | 2023 |
| THE Glass & Window Shop Ltd | Construction | 2008 |
| THE Glass Blowers Limited | Manufacturing | 2007 |
| THE Golden Well Ltd | Hospitality | 2022 |