| UK Software Testing Solutions Ltd | Information & communication | 2022 |
| Ultimate Guardz Limited | Financial services | 2025 |
| Ultimate Universal Ltd | Wholesale & retail | 2024 |
| Ultra Facilities Limited | Wholesale & retail | 2024 |
| Union Mart 720 Ltd | Wholesale & retail | 2025 |
| United Avia Services Limited | Administrative & support | 2008 |
| United Film Scenery & Construction Ltd | Construction | 2019 |
| United Flow Ltd | Wholesale & retail | 2013 |
| United K Brickwork Ltd | Construction | 2021 |
| United Transfers Ltd | Transport & logistics | 2014 |
| Universal Private Limited | Construction | 2017 |
| UR Pinnicle Consultancy Limited | Professional & scientific | 2012 |
| Urban Crown Properties Ltd | Real estate | 2026 |
| Urban Host Apartments Limited | Real estate | 2025 |
| Urban Port Ltd | Wholesale & retail | 2017 |
| Urbannest Holdings Ltd | Real estate | 2023 |
| Urbanvalues Ltd | Wholesale & retail | 2026 |
| Urclass Limited | Professional & scientific | 2022 |
| Uriella Health Care Consulting Ltd | Health & social care | 2018 |
| Usercentrics Limited | Information & communication | 2022 |
| USG Motors Ltd | Wholesale & retail | 2024 |
| Uttira Construction Ltd | Construction | 2024 |
| Uxbridge Piano School Ltd | Education | 2024 |
| V&V Distribution Services Ltd | Wholesale & retail | 2026 |
| V4DYY Ltd | Construction | 2023 |
| Valcour Limited | Wholesale & retail | 2025 |
| Valentin Stoyanov Ltd | Transport & logistics | 2022 |
| Varity Enterprise Ltd | Administrative & support | 2022 |
| Vast Acres Ltd | Real estate | 2025 |
| VE Future Limited | Professional & scientific | 2023 |
| VED Infosolutions Limited | Information & communication | 2016 |
| Vedh Consulting Limited | Information & communication | 2022 |
| Veloce Autos Ltd. | Wholesale & retail | 2012 |
| Velocity Auto Sales Ltd | Wholesale & retail | 2024 |
| Venher Limited | Construction | 2022 |
| Veni-Vici Akuko Ltd | Arts & recreation | 2019 |
| Vennela PVT Ltd | Professional & scientific | 2025 |
| Venyone Limited | Information & communication | 2021 |
| Vera Astra Ltd | Wholesale & retail | 2025 |
| Veridia Health Advisory Ltd | Professional & scientific | 2026 |
| Veritas Capital PVT Ltd | Real estate | 2026 |
| Verma Consulting Services Limited | Information & communication | 2025 |
| Vermith Media Ltd | Information & communication | 2016 |
| Versatile Outdoor Spaces Ltd | Construction | 2024 |
| Vertex Vision Limited | Construction | 2016 |
| Verus Health and Fitness Limited | Arts & recreation | 2016 |
| Verus Homes Limited | Real estate | 2017 |
| VHH Homes Ltd | Construction | 2023 |
| Vicarage Flats Ltd | Households | 2020 |
| Vicservice Ltd | Construction | 2022 |
| Victerry Limited | Hospitality | 2018 |
| Victory Logistics Limited | Transport & logistics | 2011 |
| Vidcommerce Ltd | Professional & scientific | 2023 |
| Vidharth Tech Ltd | Information & communication | 2025 |
| Vinaya Realty Limited | Real estate | 2026 |
| Vincitore Construction Ltd | Construction | 2025 |
| Vinyl XP Music Memorabilia & Design Ltd | Wholesale & retail | 2016 |
| VIP Luxury Lifestyle Ltd | Transport & logistics | 2026 |
| VIP Luxury Transfer Ltd | Transport & logistics | 2018 |
| VIP Transfers Ltd | Transport & logistics | 2022 |
| Viralcartuk Ltd | Wholesale & retail | 2026 |
| Virutcham Ltd | Wholesale & retail | 2024 |
| Vishal Service Ltd | Transport & logistics | 2026 |
| Vision Project Solutions Ltd | Information & communication | 2013 |
| Vision Training Solutions Limited | Information & communication | 2011 |
| Visualoop Ltd | Professional & scientific | 2023 |
| Viswas IT Ltd | Information & communication | 2025 |
| Vitalbloom Health Limited | Health & social care | 2024 |
| Vitsfix Ltd | Wholesale & retail | 2026 |
| Viva Football Ltd | Arts & recreation | 2024 |
| Vivaan Consultants Limited | Financial services | 2013 |
| VKR Homeproducts Ltd | Professional & scientific | 2025 |
| VKR LDN Consultancy Limited | Professional & scientific | 2020 |
| Vlasov&Company Ltd | Construction | 2023 |
| VLM Transport Ltd | Transport & logistics | 2022 |
| Voltprosports Limited | Wholesale & retail | 2018 |
| Vortex Condensing Ltd | Manufacturing | 2025 |
| Votek Limited | Information & communication | 2020 |
| VR Chauffeurs Ltd | Transport & logistics | 2022 |
| VS Arsen Construction Ltd | Construction | 2019 |
| VS Corelogic Ltd | Information & communication | 2025 |
| Vspsk Ltd | Real estate | 2022 |
| Vummadi's Limited | Wholesale & retail | 2025 |
| Vvsa Ltd | Construction | 2023 |
| Wahe Property Ltd | Construction | 2025 |
| Walk With AD Ltd | Wholesale & retail | 2021 |
| Wall to Wall London Ltd | Construction | 2015 |
| Wasell Ltd | Wholesale & retail | 2022 |
| Wasps Direct 1711 Ltd | Transport & logistics | 2025 |
| Watson Business Consultancy Ltd | Extraterritorial | 2013 |
| Wave Curves Services Limited | Wholesale & retail | 2023 |
| Wave Gold Ltd | Hospitality | 2022 |
| Waxaroma LDN Ltd | Professional & scientific | 2020 |
| Wayline Haulage Ltd | Transport & logistics | 2025 |
| WB Property Development Ltd | Real estate | 2023 |
| WE Serve ANY Guest.Com Limited | Hospitality | 2019 |
| Webgrasshopper Ltd | Information & communication | 2024 |
| Wedrink Limited | Wholesale & retail | 2025 |
| Weinbriner Ltd | Wholesale & retail | 2020 |
| Weldhouse Capital UK Limited | Financial services | 2018 |