| THE Elms (Freehold) Company Limited | Households | 2007 |
| THE Esol Specialist School Ltd | Education | 2026 |
| THE Essential Emporium Ltd | Wholesale & retail | 2026 |
| THE First Priory Meadow Residents Association Limited | Households | 1989 |
| THE FIX by DS Limited | Health & social care | 2025 |
| THE Forge Coworking Ltd | Real estate | 2025 |
| THE Fourth Room Ltd | Administrative & support | 2014 |
| THE Frayne Group Limited | Professional & scientific | 2021 |
| THE Fury Room Ltd | Arts & recreation | 2020 |
| THE Gentlemans Corner Ltd | Other services | 2017 |
| THE Glebe Berkhamsted Management Limited | Households | 2012 |
| THE Golden Carpet Limited | Real estate | 2016 |
| THE Golden Twist Limited | Wholesale & retail | 2012 |
| THE Good Life Refill Ltd | Wholesale & retail | 2020 |
| THE Good Work Quickly Ltd | Arts & recreation | 2020 |
| THE Granary Rooms Limited | Real estate | 2026 |
| THE Grange (Edlesborough) Management Company Limited | Households | 2018 |
| THE Green MAN (Mursley) Limited | Real estate | 2007 |
| THE Harrow PUB Limited | Hospitality | 2009 |
| THE Holonic Group Ltd | Wholesale & retail | 2016 |
| THE Installation Assurance Authority Commercial Services Limited | Construction | 2021 |
| THE Installation Assurance Authority Federation Limited | Other services | 2024 |
| THE Installation Assurance Authority Group | Construction | 1995 |
| THE Installation Assurance Authority Limited | Construction | 2020 |
| THE Island (ST Neots) Management Company Limited | Real estate | 2005 |
| THE Keys Berkhamsted Management Company Limited | Households | 2013 |
| THE King Slime Limited | Wholesale & retail | 2022 |
| THE Kings Langley Management Company Limited | Households | 2004 |
| THE Knowledge Graph Guys Limited | Information & communication | 2024 |
| THE Leighton Buzzard Brewing Company Limited | Manufacturing | 2014 |
| THE Little Buzzard Bakery Limited | Manufacturing | 2017 |
| THE Little Buzzard Properties Limited | Real estate | 2025 |
| THE Little Lamp Tuition Hub Ltd | Education | 2026 |
| THE Lucky Crane Tattoo Co. Ltd | Other services | 2025 |
| THE Malped Ltd | Hospitality | 2018 |
| THE Mccormick Method Limited | Real estate | 2025 |
| THE Medicalert Foundation | Health & social care | 1964 |
| THE Miniature Railway Engineering Company Limited | Professional & scientific | 1998 |
| THE New Homes Group Limited | Financial services | 1990 |
| THE Nordic Styling School Ltd | Education | 2023 |
| THE NUT and Olive Ltd | Hospitality | 2022 |
| THE Oak (Aspley Heath) Limited | Hospitality | 2020 |
| THE Oaks (Weedon Hill) Management Company Limited | Households | 2007 |
| THE Other Guys Entertainment Ltd. | Arts & recreation | 2015 |
| THE Panama HAT Co. Limited | Administrative & support | 2010 |
| THE Pantry Salcombe Limited | Hospitality | 2020 |
| THE Pavement Light Company Ltd | Construction | 2017 |
| THE Pawsome Pet Treat Company Ltd | Wholesale & retail | 2022 |
| THE Peppercorn Centre | Arts & recreation | 2021 |
| THE Perfect Prize Ltd | Information & communication | 2023 |
| THE Picture House RTM Company Limited | Households | 2022 |
| THE Pines (Amersham) Management Limited | Households | 2018 |
| THE Pitch Group Limited | Professional & scientific | 2004 |
| THE PMO Professionals Limited | Professional & scientific | 2021 |
| THE Precision Engineering Office Ltd | Professional & scientific | 2025 |
| THE Property Suite Limited | Real estate | 2010 |
| THE Quartz Worktop Company Limited | Manufacturing | 2020 |
| THE Real Creators Ltd | Transport & logistics | 2018 |
| THE Real Rendezvous Limited | Administrative & support | 2022 |
| THE Record Store Ltd | Wholesale & retail | 2020 |
| THE Relationship Space Ltd | Health & social care | 2024 |
| THE Reliable Service (2024) Ltd | Extraterritorial | 2024 |
| THE Remit and Exchange Bureau Limited | Information & communication | 2025 |
| THE Renaissance (Thame) Management Company Limited | Households | 2006 |
| THE Reset Practice Ltd | Health & social care | 2026 |
| THE REX (Freehold) Limited | Households | 2018 |
| THE Ridings (Upper Caldecote) Management Company Limited | Households | 2018 |
| THE Rocci Tree Ltd | Arts & recreation | 2017 |
| THE Sandridge PUB Company (the Swan Stewkley) Ltd | Hospitality | 2024 |
| THE Sandridge PUB Company Limited | Hospitality | 2014 |
| THE Sh-Company Ltd | Wholesale & retail | 2021 |
| THE Shared Ownership Shop Limited | Real estate | 2015 |
| THE Sharpstone Group Limited | Households | 2022 |
| THE Sitting Duck Custom Furniture Ltd | Construction | 2014 |
| THE Spruce Group Limited | Administrative & support | 2024 |
| THE Stag at Mentmore Ltd | Hospitality | 2019 |
| THE Star PUB (LB) Ltd | Hospitality | 2024 |
| THE Tailored Artist Ltd | Professional & scientific | 2019 |
| THE Task Reducer Ltd | Professional & scientific | 2023 |
| THE Tipsy Swan PUB Company Ltd | Hospitality | 2025 |
| THE Town Coffee Ltd | Manufacturing | 2020 |
| THE Toy Barn Ltd | Wholesale & retail | 2024 |
| THE Trilogy Tapes Limited | Wholesale & retail | 2021 |
| THE Two Hearts Events Limited | Arts & recreation | 2023 |
| THE Ubuntu Partnership Ltd | Administrative & support | 2024 |
| THE Unicorn at Cublington Limited | Hospitality | 2016 |
| THE Village Swan Ltd | Hospitality | 2025 |
| THE WDT Group Ltd | Administrative & support | 2022 |
| THE Westwood Organisation Limited | Professional & scientific | 2003 |
| THE Wharf (Leighton Buzzard) Management Limited | Households | 2006 |
| THE Wharf Flat Management (Aylesbury) Limited | Households | 1995 |
| THE White House Interiors (London) Limited | Professional & scientific | 2012 |
| THE Wilds Farm CIC | Agriculture & fishing | 2023 |
| THE Wright Tile, Stone & Bathroom Centre Limited | Wholesale & retail | 2011 |
| THE Yacht Sales Group Ltd | Wholesale & retail | 2025 |
| THE YGT Coach Ltd | Professional & scientific | 2022 |
| Theo Nassari Limited | Professional & scientific | 2026 |
| Therapy and Wellness Limited | Health & social care | 2021 |
| Thetechemporium Limited | Manufacturing | 2023 |
| Think Evolve Solutions Limited | Professional & scientific | 2024 |