| THE UK EUC Sports Association Limited | Education | 2026 |
| THE Unbound Press Ltd | Information & communication | 2021 |
| THE United Kingdom Sommelier Academy CIC | Other services | 2021 |
| THE Urology Practice Ltd | Health & social care | 2011 |
| THE Useful Media Company Limited | Professional & scientific | 2011 |
| THE Vanilla Fudge Cosmetics Company Limited | Wholesale & retail | 2011 |
| THE Venture Development Group Ltd | Construction | 2021 |
| THE Venue Agency UK Limited | Administrative & support | 2009 |
| THE Verde Paint Company Ltd | Manufacturing | 2025 |
| THE Very Creative Fruit Bowl Limited | Information & communication | 2023 |
| THE Victoria Road (Bishop's Waltham) 1997 Management Company Limited | Households | 1997 |
| THE Video Ninja Ltd | Information & communication | 2024 |
| THE View Design and Photography Ltd | Construction | 2018 |
| THE Village Garage (Bishops Waltham) Ltd | Other services | 2018 |
| THE Vinculum Group Limited | Professional & scientific | 2025 |
| THE Vinyl HUT Limited | Wholesale & retail | 2018 |
| THE Virtual Asset Ltd | Administrative & support | 2021 |
| THE Virtual TV Department Ltd. | Information & communication | 2000 |
| THE Vital Spark Marine Services Ltd | Manufacturing | 2020 |
| THE Voice Campus Ltd | Professional & scientific | 2018 |
| THE Walled Meadow (Andover) Management Company Limited | Households | 1990 |
| THE Walmer Castle Property Company Limited | Hospitality | 2025 |
| THE Walmer Castle PUB Company Limited | Hospitality | 2023 |
| THE Wardrobe Curator Ltd | Wholesale & retail | 2013 |
| THE Wardrobe Museum (Venue) Limited | Hospitality | 2019 |
| THE Warwick Corporation Limited | Administrative & support | 2009 |
| THE Waterfront (Southampton) Limited | Real estate | 2024 |
| THE Waterfront Marina (Southampton) Limited | Real estate | 2024 |
| THE Watersports Centre Ltd | Wholesale & retail | 2021 |
| THE Way International (UK) Limited | Other services | 1994 |
| THE Website Co. Ltd | Information & communication | 2018 |
| THE Weight Loss Consultants Ltd | Health & social care | 2026 |
| THE Welding Corner Limited | Wholesale & retail | 2015 |
| THE Wessex Environmental Partnership Ltd | Construction | 2012 |
| THE Weyhill Fair Limited | Real estate | 2025 |
| THE Wheatsheaf, Midhurst Ltd | Hospitality | 2019 |
| THE Wheel Alignment Centre Limited | Professional & scientific | 2011 |
| THE White Horse (Hampshire) Limited | Hospitality | 2010 |
| THE White House (Curdridge) Holdings Limited | Financial services | 2017 |
| THE Wickham Vineyard Ltd | Hospitality | 2021 |
| THE Wild Wordsmith Ltd | Professional & scientific | 2021 |
| THE Will-Burt Company (EU) Limited | Administrative & support | 2007 |
| THE Willows Domiciliary Care Ltd | Public administration | 2018 |
| THE Wilverley Association, Trading AS Everwood Care Charity | Health & social care | 1964 |
| THE Window Company Holding Limited | Financial services | 2021 |
| THE Window Company Limited | Manufacturing | 2004 |
| THE Wine Yard Limited | Wholesale & retail | 2014 |
| THE Wish Box Ltd | Wholesale & retail | 2025 |
| THE Wojciak Group Limited | Financial services | 2025 |
| THE Wood Flooring Specialists Ltd | Construction | 2013 |
| THE Woodshack Limited | Manufacturing | 2018 |
| THE Woolpack Inn (Sopley) Limited | Hospitality | 2021 |
| THE Workboat Association | Other services | 2025 |
| THE Wright Admin Solution Ltd | Administrative & support | 2019 |
| THE Wyvern PUB Company Limited | Hospitality | 2026 |
| THE Yacht Harbour Association Limited | Other services | 1982 |
| THE Yarmouth Community Foundation CIC | Arts & recreation | 2024 |
| THE Yerba Project Ltd | Wholesale & retail | 2021 |
| THE Zeal Consulting Group Limited | Professional & scientific | 2023 |
| The-Bricolage Ltd | Professional & scientific | 2010 |
| Thea Holdings Limited | Financial services | 2019 |
| Thebadgeman Limited | Wholesale & retail | 2016 |
| Theblazedrecordlabel Ltd | Manufacturing | 2026 |
| Thebulltavern Ltd | Hospitality | 2026 |
| Theckks & Co Ltd | Wholesale & retail | 2026 |
| Theckks Pharma Services Ltd | Professional & scientific | 2021 |
| Thecomforts Ltd | Wholesale & retail | 2024 |
| Thefacy Ltd | Wholesale & retail | 2025 |
| Theflagman Ltd | Wholesale & retail | 2024 |
| Thegrowtharchitecs Ltd | Professional & scientific | 2025 |
| Thegyrosguyz Limited | Hospitality | 2024 |
| Thekays Limited | Professional & scientific | 2025 |
| Thelight 24 Healthcare & Recruitment Ltd | Administrative & support | 2016 |
| Thelmccompany CIC | Arts & recreation | 2021 |
| Theluckydrinker.Com Ltd | Wholesale & retail | 2020 |
| Thelunchbox Ltd | Hospitality | 2019 |
| Thenextsteprecruitment Ltd | Administrative & support | 2025 |
| Thenic Projects Ltd | Construction | 2021 |
| Theranos Real Estate Limited | Real estate | 2015 |
| Therapeutics (Southampton) Limited | Health & social care | 1997 |
| Therapy With Nymfodora Limited | Other services | 2024 |
| Theratopia Limited | Other services | 2014 |
| Theratopia Osteomyology Clinic Ltd | Health & social care | 2024 |
| Theratopia Wellness Centre Ltd | Other services | 2019 |
| Thermal Environment Designs Ltd | Administrative & support | 2009 |
| Thermal Protection UK Ltd. | Extraterritorial | 2013 |
| Thermal Services (Insulation) Ltd | Construction | 2010 |
| Thermatech Heating & Plumbing Ltd | Construction | 2025 |
| Thermatech Home Services Ltd | Construction | 2026 |
| Thermavue Ltd | Health & social care | 2019 |
| Thermgrove Limited | Real estate | 1994 |
| Theseus Ltd | Professional & scientific | 2020 |
| Thesis Equities LLP | | 2025 |
| Thesupercleaners Ltd | Construction | 2019 |
| Thew Construction Limited | | 1964 |
| Thew Marine Limited | | 1987 |
| Theyachtmarket.Com Limited | Professional & scientific | 2003 |
| Think Camper Ltd | Manufacturing | 2022 |
| Think GAS Heating and Cooling Ltd | Construction | 2025 |
| Think Marketing Europe Ltd | Administrative & support | 2017 |