| Tuffs & Tuffs Partners Ltd | Professional & scientific | 2017 |
| Tuma Ltd | Health & social care | 2021 |
| Turvey Friday Farm Limited | Construction | 2018 |
| Twentyfourtwelve Ltd | Professional & scientific | 2020 |
| Twentynine Dining Limited | Hospitality | 2026 |
| Two Moons Computing Ltd | Information & communication | 2014 |
| Two Sides Leadership & Brand Transformation Limited | Professional & scientific | 2013 |
| Twoormore Consulting Ltd | Information & communication | 2022 |
| Twyhurst Court Residents Company Limited | Households | 1995 |
| Ubiety Development Limited | Construction | 2013 |
| UHI Limited | Construction | 2024 |
| UK Property Limited | Real estate | 2009 |
| UK Buildings and Land Ltd | Real estate | 2011 |
| UK Diggers & Plant Hire Ltd | Administrative & support | 2019 |
| UK Fund for Charities | Health & social care | 2003 |
| UK Smart Automation Ltd | Construction | 2026 |
| Unboxed Media Consultancy Ltd | Professional & scientific | 2025 |
| Uncharted Films Ltd | Information & communication | 2020 |
| Underhill Research Limited | Professional & scientific | 2011 |
| Uniq Print Solution Ltd | Manufacturing | 2025 |
| Unsworth's Accountancy Services Ltd | Professional & scientific | 2010 |
| Upscales Music Limited | Information & communication | 2019 |
| Upspec Ltd | Construction | 2005 |
| Uptrend Ltd | Real estate | 2023 |
| UR Local Grandma Productions Limited | Information & communication | 2023 |
| Urban and Co. (UK) Ltd | Extraterritorial | 2015 |
| Urban Sparks Electrical Limited | Construction | 2018 |
| Utilise Recruitment Limited | Administrative & support | 2018 |
| Utopian Creative Ltd. | Manufacturing | 2018 |
| V & T News Ltd | Wholesale & retail | 2016 |
| V R and Sons Ltd | Wholesale & retail | 2026 |
| V&M East Grinstead Ltd | Wholesale & retail | 2024 |
| Vagabond Arts Ltd | Arts & recreation | 2021 |
| Vaidan Holdings Ltd | Financial services | 2026 |
| Valles Collins Collective Limited | Real estate | 2014 |
| Valois & Karssay Publisher and Business Ltd | Extraterritorial | 2012 |
| Vamosi Club Ltd | Wholesale & retail | 2025 |
| Vanderling Limited | Real estate | 2025 |
| Vankind Conversions Limited | Manufacturing | 2025 |
| Vegan Tears Limited | Wholesale & retail | 2024 |
| Veganville Limited | Hospitality | 2021 |
| Venta Invest & Trade Ltd. | Wholesale & retail | 2002 |
| Veramay Ltd | Hospitality | 2025 |
| Verdyx Ltd | Manufacturing | 2025 |
| Vero Fitness Ltd | Arts & recreation | 2025 |
| Versatile FM 365 Limited | Administrative & support | 2011 |
| Vertex Events Ltd | Arts & recreation | 2025 |
| Vesta House Ltd | Real estate | 2025 |
| Vetra Properties Limited | Professional & scientific | 2005 |
| Vevolt Ltd | Construction | 2021 |
| VFA (2006) Limited | Administrative & support | 2006 |
| VG Market Research Ltd | Professional & scientific | 2025 |
| Vibrant Housing Limited | Real estate | 2018 |
| Vibrant MS Limited | Construction | 2006 |
| Vibrant SA Ltd | Hospitality | 2023 |
| Victoria Sports & Social Club Ltd | Arts & recreation | 2010 |
| Vishan & Akshan Brothers Ltd | Hospitality | 2025 |
| Vishnu Care Ltd | Health & social care | 2024 |
| Visionline Management Limited | Administrative & support | 1997 |
| Vitaminbottle Ltd | Manufacturing | 2019 |
| Vitaminrich Ltd | Health & social care | 2016 |
| Volume 1 Climbing Ltd | Arts & recreation | 2019 |
| Voongo Ltd | Wholesale & retail | 2025 |
| Vulpes Properties Ltd | Real estate | 2024 |
| Vyta Clinic Ltd | Health & social care | 2024 |
| W D Moser Limited | Administrative & support | 2014 |
| W&M Commercial Solutions Ltd | Wholesale & retail | 2024 |
| W&P Partners Ltd | Administrative & support | 2024 |
| W. Fantasy Studio Ltd | Information & communication | 2023 |
| W.J.Simmonds & Sons Limited | Construction | 1936 |
| Waghorn Services Ltd | Construction | 2023 |
| Wallis Mews Estate Company Limited | Households | 2020 |
| Wallis Mews Management Limited | Households | 2020 |
| Walworth Castle Properties Ltd | Financial services | 2022 |
| Ward Cleaning Services Limited | Administrative & support | 2015 |
| Warmbright Limited | Construction | 2019 |
| Wasariah & Co Ltd | Wholesale & retail | 2022 |
| WASH22 Ltd | Wholesale & retail | 2021 |
| WASTE2 Environmental Systems Limited | Wholesale & retail | 2019 |
| Water Tower Property Limited | Real estate | 2017 |
| Wave Speech and Language Therapy Limited | Health & social care | 2021 |
| WE3 Consulting Ltd | Administrative & support | 2003 |
| Weald & Co Limited | Manufacturing | 2020 |
| Weald Insurance Brokers Limited | Financial services | 1969 |
| Weald Property Investments Limited | Real estate | 1988 |
| Weald Signs Limited | Professional & scientific | 2020 |
| Wealden Embroidery & Print Limited | Administrative & support | 2010 |
| Wealden Gardens Management Company Limited | Households | 2006 |
| Wealth Builders Together Ltd | Information & communication | 1995 |
| Wealth Protectors Ltd | Financial services | 2017 |
| Web 24 Ltd | Information & communication | 2011 |
| Web Key Ltd | Information & communication | 2018 |
| Webfeast Design Limited | Information & communication | 2003 |
| Weblety Ltd | Information & communication | 2026 |
| Weco Solutions Limited | Water & waste | 2022 |
| Wedding Tots Limited | Health & social care | 2020 |
| Weirwood Farming Ltd | Agriculture & fishing | 2026 |
| Weldo | Health & social care | 2025 |
| Well-B. Ltd | Wholesale & retail | 2024 |
| Wellburgh Motor Co. Limited | | 1981 |