| Turner Close Management Limited | Households | 2022 |
| Two Fifty Two Joinery Ltd | Manufacturing | 2024 |
| UK Getaways Ltd | Hospitality | 2016 |
| UK Hemma Ltd | Wholesale & retail | 2025 |
| UKG Cleaning & Maintenance Ltd | Administrative & support | 2020 |
| Unaggi Coaching Limited | Education | 2023 |
| Unimet Enterprises Limited | Water & waste | 2016 |
| Unimet Management Limited | Professional & scientific | 2010 |
| Universal Metals (Hastings) Ltd | Water & waste | 2018 |
| Universal Metals Limited | Water & waste | 2002 |
| Urban Efleet Ltd | Administrative & support | 2020 |
| Urbantweaks Ltd | Wholesale & retail | 2025 |
| Valley Park Estate Limited | Households | 2010 |
| Verdant Partnerships Limited | Construction | 2000 |
| Verdigris Art Ltd | Arts & recreation | 2016 |
| Villa Mateo Ltd | Hospitality | 2022 |
| Vipan Carpenter and Company Limited | Real estate | 1985 |
| Vision Capital Investments Limited | Professional & scientific | 2020 |
| VJ Luxury Car Service Ltd | Wholesale & retail | 2025 |
| Vocadia Limited | Professional & scientific | 2025 |
| W K Driving Limited | Transport & logistics | 2009 |
| W Tollett (General Builders) Limited | Construction | 2003 |
| W.A. Developments Ltd | Real estate | 2020 |
| Wake Winch Limited | Manufacturing | 2015 |
| Walgate & Co Ltd | Manufacturing | 2022 |
| Warburtons (Bexhill) Limited | Wholesale & retail | 2011 |
| Washouse and Parlour Limited | Wholesale & retail | 2025 |
| Wates Charitable Trustees Limited | Administrative & support | 1980 |
| Watlands Limited | Real estate | 2004 |
| WE ARE Care Connect Limited | Health & social care | 2026 |
| WE ARE Care Limited | Health & social care | 2023 |
| Weald Services Limited | Information & communication | 2017 |
| Wealden Design & Build Limited | Construction | 2014 |
| Wealden Traditional Construction Limited | Construction | 2023 |
| Westbourne Meats Ltd | Wholesale & retail | 2018 |
| Western Barn Property Management Limited | Real estate | 2007 |
| Westfield Terrace Property Company Limited | Real estate | 2006 |
| What the HAY! PJM Ltd | Agriculture & fishing | 2025 |
| Wheeler Moore Consulting Limited | Construction | 2015 |
| Whiyou Ltd | Wholesale & retail | 2023 |
| Wholesome Plumbing and Heating Ltd | Construction | 2025 |
| Wideye Ltd | Wholesale & retail | 2015 |
| Wideye Property Limited | Real estate | 2017 |
| Wild FP Ltd | Hospitality | 2024 |
| Wild Life Sussex Coast CIC | Other services | 2023 |
| Wild Wood Installations Limited | Construction | 2009 |
| Wild Wood of Mayfield Limited | Construction | 2017 |
| William Building Consultancy Ltd | Professional & scientific | 2019 |
| William Cooke & SON (Farmers) Limited | Agriculture & fishing | 1950 |
| Willowe Magazines Limited | Manufacturing | 1992 |
| Winterton Properties Cotswolds Ltd | Hospitality | 2023 |
| Wisdom & Wellness Academy CIC | Professional & scientific | 2025 |
| Wishbarn Antiques Ltd | Other services | 2018 |
| WLT Enterprises Limited | Wholesale & retail | 2015 |
| Woodbrook Land & Property Development Ltd | Real estate | 2020 |
| Woollen Unwind Ltd | Wholesale & retail | 2026 |
| Workplace Projects Limited | Professional & scientific | 2002 |
| WWI Ltd | Financial services | 2023 |
| Yeates Design + Architecture Ltd | Professional & scientific | 2011 |
| Yeates Design LLP | | 2012 |
| Yonsea Farm Trust | Arts & recreation | 2010 |
| Zambakjian Limited | Health & social care | 2023 |
| Zone Nine Ltd | Information & communication | 2018 |