| UK Manufacturing Group Ltd | Wholesale & retail | 2016 |
| UK Shalimar 1 Limited | Hospitality | 2022 |
| UK Shalimar Ltd | Hospitality | 2015 |
| Uklpa Ltd | Professional & scientific | 2026 |
| Ultimate Blinds Ltd | Other services | 2013 |
| Ultimate Modelling Products Limited | Wholesale & retail | 2016 |
| Under My Wing Care and Support Ltd | Health & social care | 2020 |
| Unique Births Ltd | Education | 2023 |
| Universal Property Lets Ltd | Real estate | 2018 |
| Unlocked Success Ltd | Education | 2025 |
| Vape District Limited | Wholesale & retail | 2026 |
| Veloce Resources Limited | Professional & scientific | 2018 |
| VGV Technologies Limited | Information & communication | 2021 |
| Vies Catering Services Ltd | Hospitality | 2021 |
| Viking Graphics Limited | Wholesale & retail | 2004 |
| Viking Inns Limited | Hospitality | 2025 |
| Vincent Keane Limited | Financial services | 2018 |
| Viper NO Excuses Ltd | Wholesale & retail | 2022 |
| Vision 360 (East Midlands) Limited | Construction | 2017 |
| VOW Bridal Limited | Wholesale & retail | 2011 |
| W. S. Yeates Ltd | Extraterritorial | 2026 |
| Wags and Snuggles Ltd | Other services | 2025 |
| Walk Japan (UK) Limited | Administrative & support | 2011 |
| Warners (Midlands)Public Limited Company | Manufacturing | 1927 |
| Warners Group Digital Limited | Wholesale & retail | 2013 |
| Warners Group Distribution Limited | Extraterritorial | 1990 |
| Warners Group Holdings Limited | Extraterritorial | 1996 |
| Warners Group Publications PLC | Information & communication | 1991 |
| Waseem's Services Ltd | Health & social care | 2019 |
| Waste Tank Services Limited | Water & waste | 2020 |
| Waterside Conservatories Ltd | Construction | 2008 |
| Websters Natural Dog Food Ltd | Wholesale & retail | 2019 |
| Wedge Coffee House Ltd | Hospitality | 2025 |
| Wegrow Fresh UK Ltd | Wholesale & retail | 2020 |
| Weijers Mechanical Ltd | Construction | 2024 |
| Wellness Within YOU Ltd | Health & social care | 2023 |
| Westminster Law Bourne Ltd | Professional & scientific | 2026 |
| Wheatear Finance Solutions Limited | Financial services | 2025 |
| Wheatear Management Limited | Extraterritorial | 2021 |
| Wherry and Sons,Limited | Manufacturing | 1909 |
| White Structural Consulting Ltd | Professional & scientific | 2004 |
| Whitehead Building Limited | Construction | 2003 |
| Whiteland Projects Limited | Energy | 2016 |
| Whole Food Design Ltd | Professional & scientific | 2013 |
| WHY NOT Languages Ltd | Education | 2021 |
| Wilco Print Media Limited | Manufacturing | 2001 |
| Wild Dragon Solutions Ltd | Wholesale & retail | 2025 |
| Wild Heart Enterprises Ltd | Hospitality | 2012 |
| Wild Your Garden Ltd | Wholesale & retail | 2020 |
| William COX Limited | Wholesale & retail | 2017 |
| Williams Accounting Services Limited | Professional & scientific | 2008 |
| Willora Home Care Limited | Administrative & support | 2025 |
| Willow-Ray Garden Design Ltd | Administrative & support | 2025 |
| Wind Investments Limited | Financial services | 2017 |
| Witham Hall School Trust | Education | 1978 |
| Witham Investment Holdings Limited | Financial services | 2019 |
| WNC Engineering Consultancy Ltd | Other services | 2017 |
| Wood Reward Ltd | Professional & scientific | 2019 |
| Wooden Wonder Trading Limited | Wholesale & retail | 2018 |
| Woodhay Management Services Limited | Administrative & support | 2018 |
| WSD Enterprises Ltd | Professional & scientific | 2021 |
| Wyer Close Management Company Limited | Households | 2020 |
| X House Limited | Extraterritorial | 2019 |
| Yambod Group Ltd | Professional & scientific | 2023 |
| Yarn Addicts Ltd | Wholesale & retail | 2024 |
| Yatta Digital Ltd | Administrative & support | 2020 |
| YES Recycling Group Ltd | Professional & scientific | 2013 |
| Yobibyte Properties Limited | Real estate | 2022 |
| Yobibyte Solutions Limited | Information & communication | 2012 |
| Yorkshire Pulses Limited | Manufacturing | 2020 |
| Young Gunns Ltd | Administrative & support | 2018 |
| Your Charisma Coach Ltd | Other services | 2025 |
| ZA Hand Car Wash Ltd | Administrative & support | 2023 |
| Zanypig Ltd | Wholesale & retail | 2018 |
| Zarano Trading Ltd | Wholesale & retail | 2025 |
| Zawadka Trans Ltd | Transport & logistics | 2015 |
| Zenvy Limited | Construction | 2025 |
| Ziggy Barbers Bourne Ltd | Other services | 2024 |
| ZIP Buddy Limited | Manufacturing | 2008 |
| Zorb UK Limited | Arts & recreation | 2015 |
| Zorba Karaoglan Ltd | Hospitality | 2025 |