| Tzolkin Limited | Professional & scientific | 2023 |
| U&V Foods Co Ltd | Hospitality | 2025 |
| UK Cell Therapy Group Limited | Health & social care | 2024 |
| UK Electric Vehicle Chargers Limited | Wholesale & retail | 2021 |
| UK Emergency Medical Transport ( UK EMT ) Limited | Health & social care | 2015 |
| UK Ipma Limited | Other services | 2024 |
| UK Web Ventures Limited | Professional & scientific | 2010 |
| Ultragy Limited | Water & waste | 2023 |
| Umdlwane Ltd | Agriculture & fishing | 2021 |
| Under the Bodhi Tree Ltd | Wholesale & retail | 2023 |
| Underweardirect.Com Limited | Wholesale & retail | 2017 |
| Unfiltered Numbers Limited | Professional & scientific | 2025 |
| Unibank TM Limited | Energy | 2025 |
| Unipro U.K. Limited | Education | 2022 |
| Unique Sustainable Properties Ltd | Construction | 2022 |
| United Environmental Services Ltd | Professional & scientific | 2007 |
| United Plus Compliance Services Limited | Construction | 2026 |
| Universal VR Limited | Information & communication | 2023 |
| UNO MAS Ltd | Information & communication | 2012 |
| Untitled Designing Limited | Information & communication | 2008 |
| UP Propco Limited | Real estate | 2026 |
| UPA Energy Group Holdings Limited | Financial services | 2018 |
| UPA Energy Group Ltd | Financial services | 2011 |
| UPA Energy Limited | Professional & scientific | 2001 |
| UPA Suppliers Services Ltd | Professional & scientific | 2011 |
| Urban Fitness Group Limited | Arts & recreation | 2020 |
| Urban Landscapes Design Ltd | Professional & scientific | 2023 |
| Utillie Limited | Information & communication | 2022 |
| V and P Schofield Ltd | Professional & scientific | 2023 |
| V11 Auto Locks Ltd | Wholesale & retail | 2025 |
| Vaani Property 1 Limited | Financial services | 2020 |
| Vacationcare Parking Group Limited | Transport & logistics | 2021 |
| Vale Royal Fresh Foods Ltd | Manufacturing | 1987 |
| Valenti Facilities Ltd | Construction | 2025 |
| Valenti Recruitment Ltd | Administrative & support | 2025 |
| Valentine Place Management Company Limited | Real estate | 2017 |
| Valro Manufacturing Limited | Manufacturing | 1985 |
| Valueaxis Ltd | Professional & scientific | 2016 |
| Vandemeva Holdings Limited | Administrative & support | 2015 |
| Vatbuild Ltd | Information & communication | 2026 |
| Vaughan Investment Properties Ltd | Real estate | 2020 |
| Vaultconnect Ltd | Professional & scientific | 2025 |
| VBM Connections Ltd | Other services | 2025 |
| VC Lowry Limited | Real estate | 2020 |
| VC Picasso Limited | Real estate | 2025 |
| VDS Support Limited | Professional & scientific | 2018 |
| VDS Training Services Limited | Education | 2017 |
| Vecapital Ltd | Professional & scientific | 2016 |
| Vendido Ltd | Information & communication | 2021 |
| Venture Cleaning Solutions Limited | Manufacturing | 2013 |
| Venture Forth Games Ltd | Information & communication | 2024 |
| Venture Health Group Ltd | Health & social care | 2022 |
| Venture Security Limited | Professional & scientific | 1993 |
| Verbal Planet Ltd | Information & communication | 2005 |
| Verdegreen UK Landscapers Ltd | Administrative & support | 2013 |
| Veritas and Associates Limited | Other services | 2009 |
| Vespertine Publishing Ltd | Information & communication | 2021 |
| Vessyl Ltd | Manufacturing | 2026 |
| Viaduct Stud Ltd | Agriculture & fishing | 2018 |
| Vickers Business Machines (North West) Limited | Wholesale & retail | 2000 |
| Victoria Perkins Hairdressing Ltd | Other services | 2023 |
| Villam Developments Ltd | Construction | 2018 |
| Vincent Jack Bespoke Limited | Construction | 2014 |
| Vincent Jack Interiors Limited | Construction | 2023 |
| Vincere Training and Business Solutions Ltd | Professional & scientific | 2014 |
| Vine Psychology Ltd | Education | 2021 |
| Vink Holdings Limited | Professional & scientific | 1990 |
| Violet Rose Industries Ltd | Construction | 2019 |
| VIP Car Sales Limited | Wholesale & retail | 2013 |
| Visai Ltd | Education | 2025 |
| Visanta Health Limited | Health & social care | 2022 |
| Visualyze Property Limited | Real estate | 2018 |
| Visualyze Solutions Limited | Professional & scientific | 2016 |
| VLL Limited | Transport & logistics | 2006 |
| VME Sales & Events Limited | Extraterritorial | 2004 |
| Vogue Aesthetics Ltd | Other services | 2013 |
| Voip Comms Ltd | Information & communication | 2014 |
| Vstars Ltd | Administrative & support | 2014 |
| Vulcan Elite Services Ltd | Professional & scientific | 2025 |
| W.A.P. Lawton & SON Limited | Administrative & support | 1985 |
| Wainwright Film & TV Services Ltd | Extraterritorial | 2019 |
| Wainwright Holdings UK Ltd | Information & communication | 2018 |
| Wainwright Timber Ltd | Agriculture & fishing | 2015 |
| Wainwright Tree Stump Removal Limited | Administrative & support | 2003 |
| Walker Carpet & Interiors Limited | Construction | 2023 |
| Walker Carpet and Flooring Limited | Construction | 2011 |
| Walker Morgan Limited | Professional & scientific | 2016 |
| Wall FIC Limited | Financial services | 2026 |
| Walsall Electrical Distributors Limited | Professional & scientific | 1929 |
| Walsingham Planning Holdings Limited | Professional & scientific | 2019 |
| Walter George Smith Ltd | Wholesale & retail | 2024 |
| Wantsum Brewery Holdings Limited | Financial services | 2024 |
| Warburton (FIC) Limited | Financial services | 2026 |
| Warburton Landscapes Limited | Administrative & support | 2001 |
| Warrington Counselling Ltd | Extraterritorial | 2020 |
| Waterview Lodgings Limited | Real estate | 2020 |
| Watts Developments Limited | Construction | 2003 |
| Watts Homes Limited | Construction | 2018 |
| WE ARE Bright Ltd | Professional & scientific | 2023 |
| WE ARE Broad Limited | Professional & scientific | 2014 |