| THE TCI PUB Co. Limited | Real estate | 2023 |
| THE Tree Marquee Ltd | Administrative & support | 2022 |
| THE Wessex Heavy Horse Society Limited | Other services | 2008 |
| Thewildco Ltd | Education | 2025 |
| This IS Alfred Limited | Information & communication | 2018 |
| Thornhill Consulting Group Limited | Information & communication | 2020 |
| Tick Tax Services Limited | Professional & scientific | 2015 |
| Tidbury Judd Ltd | Manufacturing | 2022 |
| Tidy Books Limited | Professional & scientific | 2018 |
| Tigergard (Holdings) Limited | Professional & scientific | 2017 |
| TIM Ayres Ltd. | Wholesale & retail | 2003 |
| TIM Wykeham Design Limited | Professional & scientific | 2026 |
| TK & SL Limited | Real estate | 2020 |
| Todber Studios Ltd | Information & communication | 2019 |
| TOK Trading Limited | Agriculture & fishing | 2010 |
| Tokes Farm Education | Education | 2019 |
| Tomlinson Fine Art Ltd | Wholesale & retail | 2025 |
| Total Land Management Limited | Water & waste | 2024 |
| Trade Kitchens (Dorset) Limited | Construction | 2001 |
| Trattoria Italiana Ltd | Hospitality | 2021 |
| Trav Journalist Ltd | Administrative & support | 2011 |
| Treat Yourself Online Ltd | Wholesale & retail | 2024 |
| Trim Surveys Ltd | Administrative & support | 2024 |
| Tronador Consulting Ltd | Professional & scientific | 2009 |
| TUB Marine Limited | Manufacturing | 2014 |
| Tuckmarsh Farm Limited | Agriculture & fishing | 1979 |
| Turnpike Events Limited | Arts & recreation | 2007 |
| Two White Rabbits Limited | Real estate | 2014 |
| UAX Ltd | Manufacturing | 2024 |
| Ultimate Flame Ltd Ltd | Construction | 2026 |
| Unidome Limited | Manufacturing | 2012 |
| Unique Bijoux Co Limited | Manufacturing | 2000 |
| VAH Development Ltd | Construction | 2020 |
| Valarette Limited | | 1977 |
| Vale Electrics SW Limited | Construction | 2024 |
| Vale Plastering Ltd | Construction | 2017 |
| Valiamo Limited | Professional & scientific | 2012 |
| Van Straaten Enterprises Ltd | Hospitality | 2025 |
| Venn IT Systems Limited | Information & communication | 2004 |
| Vertigo Roofing Ltd | Construction | 2013 |
| Verulam Land Holdings Limited | Financial services | 2019 |
| Vineleaf Technologies Ltd | Information & communication | 2022 |
| Virginia Hayward Holdings Limited | Professional & scientific | 2020 |
| Virginia Hayward Limited | Wholesale & retail | 1984 |
| Virginia Hayward Logistics Limited | Transport & logistics | 2020 |
| Vision Drive Cars Ltd | Education | 2026 |
| W Carpenter & SON Roofing Contractor Ltd | Construction | 2010 |
| Wagging Tails Limited | Other services | 2010 |
| Wallbrook Planning Consultants Limited | Professional & scientific | 2018 |
| Walsh’S Properties Ltd | Construction | 2025 |
| Wardour Workshops Limited | Manufacturing | 2000 |
| Watertite Heating Limited | Construction | 1989 |
| Watling (ST Albans) Limited | Administrative & support | 2022 |
| WE ARE Chain Ltd. | Information & communication | 2018 |
| Weldarc Services Ltd | Manufacturing | 2014 |
| Weldons Sales & Lettings Limited | Real estate | 2019 |
| Wessex Developments Limited | Construction | 2004 |
| Wessex Fire and Security Limited | Professional & scientific | 1998 |
| Wessex Group Limited | Administrative & support | 1990 |
| Westbourne Grill House Ltd | Hospitality | 2023 |
| Westcountry Practice Ltd | Education | 2020 |
| Westcountry Tuition Ltd | Education | 2020 |
| White and Bright Ltd | Administrative & support | 2020 |
| White House Farm (Dorset) Ltd | Wholesale & retail | 2006 |
| Whitecharger Limited | Information & communication | 2006 |
| Whole HOG Theatre Ltd | Arts & recreation | 2012 |
| Wicketcast Ltd | Information & communication | 2025 |
| Wild Cardz (Wincanton) Limited | Wholesale & retail | 2009 |
| Wild Properties Investments Ltd | Real estate | 2025 |
| Wild Walsh Properties Investments Ltd | Real estate | 2025 |
| Wildman Consulting Limited | Professional & scientific | 2002 |
| Willabeans Shoes Ltd | Wholesale & retail | 2024 |
| William Ashworth Limited | Information & communication | 2006 |
| William's Consultancy & Property Ltd | Professional & scientific | 2024 |
| Williamson - Orchard Limited | Agriculture & fishing | 2003 |
| Willouk Ltd | Financial services | 2025 |
| Willow Travel Ltd | Transport & logistics | 2015 |
| Wincombe Lane Limited | Administrative & support | 2013 |
| Wine Works Ltd | Professional & scientific | 2019 |
| Woodcott Associates Limited | Manufacturing | 2011 |
| Woodcott Limited | Real estate | 2013 |
| Woolhouse Property Limited | Construction | 2021 |
| WPD Miniatures Ltd | Extraterritorial | 2023 |
| Wren Classics Limited | Manufacturing | 1993 |
| Wren Storage Ltd | Transport & logistics | 2020 |
| Wrensport Limited | Wholesale & retail | 2001 |
| Yardarmy Ltd | Hospitality | 2025 |
| YF23 Engineering Ltd | Professional & scientific | 2025 |
| Your Self-Build Success Ltd | Education | 2026 |
| Yuyo Drinks Ltd | Manufacturing | 2013 |