| THE Kitchen Social (Catering) Ltd | Hospitality | 2021 |
| THE Latest Homes Ltd | Information & communication | 2025 |
| THE Lion & Lamb PUB Ltd | Hospitality | 2025 |
| THE Little Lavender Field Ltd | Hospitality | 2019 |
| THE Locuming Medic Ltd | Health & social care | 2015 |
| THE London Restoration Company Limited | Professional & scientific | 2010 |
| THE Lymington Chiropractic Clinic Ltd | Health & social care | 2022 |
| THE Lymington Mariners RFC | Arts & recreation | 2011 |
| THE Lymington Tile Centre Limited | Wholesale & retail | 2025 |
| THE Marine Freehold Company Limited | Households | 2026 |
| THE Milford Millenium Hall and Community Centre | Other services | 1999 |
| THE MM Property Collective Ltd | Households | 2025 |
| THE Modern Psychics Limited | Professional & scientific | 2023 |
| THE Monsoori Heights Ltd | Hospitality | 2022 |
| THE Naelor Group Ltd | Professional & scientific | 2018 |
| THE New Forest Hamper Company Limited | Wholesale & retail | 2016 |
| THE NO Run Club CIC | Arts & recreation | 2025 |
| THE Nurture Barn Limited | Wholesale & retail | 2014 |
| THE Oak Framing Company Ltd | Construction | 2006 |
| THE Oakhaven Trust Trading Company Limited | Wholesale & retail | 1990 |
| THE Old Maltings (Lymington) NO. 2 Limited | Households | 1989 |
| THE Orchard at Hadlow Limited | Households | 2019 |
| THE Orchard Holiday Park Limited | Wholesale & retail | 2002 |
| THE Pines Management Company (Hordle) Limited | Construction | 2013 |
| THE Plant Yard Limited | Wholesale & retail | 2015 |
| THE Proper Restaurant Company Ltd | Hospitality | 2016 |
| THE Relationship Paradigm Ltd | Information & communication | 2019 |
| THE Rope HUT Ltd | Manufacturing | 2023 |
| THE Rosa Clinic Limited | Health & social care | 2024 |
| THE Round Window Limited | Information & communication | 2011 |
| THE Scandinavian Flooring Co. Ltd | Construction | 2004 |
| THE Seeds of Transformation Limited | Professional & scientific | 2016 |
| THE St.Barbe Trading Company Limited | Wholesale & retail | 1994 |
| THE Student Mindset Academy Limited | Education | 2022 |
| THE Thames Clinic Ltd | Health & social care | 2002 |
| THE Travelwrap Company Ltd | Wholesale & retail | 2006 |
| THE Two Fishwives Limited | Manufacturing | 2025 |
| THE Watersplash Consultancy Ltd | Professional & scientific | 2008 |
| THE Wharie Experience Ltd | Agriculture & fishing | 2020 |
| THE Wild Times Ltd | Administrative & support | 2018 |
| Thegrowthfactors Ltd | Professional & scientific | 2023 |
| Thirty Three Boutique Limited | Wholesale & retail | 2018 |
| Thomas P&H T/A TPH Solar & Renewables Ltd | Construction | 2020 |
| Thorncroft Trading Ltd | Wholesale & retail | 2026 |
| Thorne Design Holdings Limited | Financial services | 2025 |
| Thorne Design Ltd | Professional & scientific | 2016 |
| Thousandth Ltd | Information & communication | 2025 |
| Three Brothers (BD) Limited | Hospitality | 2022 |
| Ti-Mar Developments Ltd | Manufacturing | 2022 |
| Ti-Mar Solutions Ltd | Professional & scientific | 2018 |
| Tidal Kitchen Ltd | Hospitality | 2026 |
| Tiger II Limited | Wholesale & retail | 2013 |
| Timbertech Marine Ltd | Manufacturing | 2025 |
| Timbertrade LLP | | 2015 |
| Time on the Water Ltd | Professional & scientific | 2009 |
| Tinley Electronics Limited | Transport & logistics | 1999 |
| Tinleys Property Limited | Real estate | 2022 |
| Tinstar Design Limited | Professional & scientific | 2002 |
| Tints of Nature Limited | Extraterritorial | 2012 |
| Tiptoe Projects Ltd | Real estate | 2022 |
| Tiramoch Limited | Hospitality | 2017 |
| Tizard Building Company Limited | Construction | 1999 |
| TJ Forlah Ltd | Transport & logistics | 2020 |
| TMW Accounting Limited | Professional & scientific | 2012 |
| TND Lymington Limited | Construction | 2016 |
| TND Real Estate Ltd | Real estate | 2024 |
| Todeka Limited | Professional & scientific | 1997 |
| Tohatsu Marine Limited | Wholesale & retail | 1993 |
| Tomkat Limited | Extraterritorial | 1997 |
| Tonic Medicolegal Services Ltd | Health & social care | 2012 |
| Top Pooch Ltd | Wholesale & retail | 2012 |
| TOR Financial Planning Limited | Financial services | 2009 |
| TOR Pension Administration Ltd | Financial services | 2022 |
| TOR Pension Holdings Limited | Financial services | 2020 |
| TOR Pension Management Limited | Financial services | 2020 |
| TOR Pension Trustees Limited | Financial services | 2004 |
| Townhouse PUB Ltd | Hospitality | 2023 |
| Tracked Access Solutions Limited | Administrative & support | 2021 |
| Trademan Limited | Manufacturing | 2002 |
| Trafalgar Place (Lymington) Resident's Association Limited | Households | 1970 |
| TRANS4ORM Ltd | Information & communication | 2023 |
| Trebart Ltd. | Real estate | 2012 |
| Triam Corporation Limited | Administrative & support | 2009 |
| Triintel Technologies Ltd | Information & communication | 2025 |
| Triton Plumbing and Heating Ltd | Construction | 2022 |
| Truesavings Ltd | Professional & scientific | 2010 |
| Truesavings Plus Ltd | Real estate | 2021 |
| TSG Catering Limited | Manufacturing | 2024 |
| TSP Renovations Limited | Real estate | 2023 |
| TTM Trading Ltd | Wholesale & retail | 2019 |
| Tuakana Limited | Construction | 2004 |
| Tungsten Consulting Limited | Real estate | 2003 |
| Turnchapel Wharf Limited | Arts & recreation | 2004 |
| Turners Marine Consultancy Ltd | Professional & scientific | 2026 |
| Twinn Coffee Ltd | Hospitality | 2021 |
| Two Counties Build Ltd | Administrative & support | 2009 |
| Tyre Brothers Ltd | Wholesale & retail | 2026 |
| Tyrrells Investments Limited | Professional & scientific | 2004 |
| UBC Worldwide Limited | Education | 2018 |
| Ubiquitous Rebel Limited | Hospitality | 2024 |