| Westbourne Holdings Limited | Construction | 1998 |
| Westbourne Homecare Ltd | Health & social care | 2009 |
| Westbourne Jewellers Ltd | Wholesale & retail | 2025 |
| Westbourne Land & Consulting Ltd | Professional & scientific | 2018 |
| Westbourne Laser Lounge Limited | Other services | 2025 |
| Westbourne Nails Ltd | Other services | 2021 |
| Westbourne Park Lodge Limited | Households | 1998 |
| Westbourne Removals Limited | Transport & logistics | 2019 |
| Westbourne Sandwich Co Ltd | Hospitality | 2026 |
| Westbourne Wines Limited | Extraterritorial | 2010 |
| Westbridge Park Estate Ltd | Real estate | 2023 |
| Westbridge Park Limited | Households | 2011 |
| Westbridge Properties (UK) Ltd | Real estate | 2006 |
| Westbury Gardens (Bournemouth) Limited | Households | 2008 |
| Westbury Grange Freehold Limited | Households | 2020 |
| Westby Court RTM Limited | Real estate | 2003 |
| Westby Freehold Limited | Real estate | 2003 |
| Westby Studios Ltd | Real estate | 2025 |
| Westcliff Apartments Freehold Limited | Households | 2014 |
| Westcliff Heights Freehold Limited | Households | 2021 |
| Westcliff Medicines Limited | Health & social care | 2012 |
| Westcliff Studios Management Company (11) Limited | Households | 1987 |
| Westcliff Studios Management Company (5) Limited | Households | 1987 |
| Westcliff Studios Management Company (7) Limited | Households | 1987 |
| Westcliff Studios Management Company (9) Limited | Households | 1986 |
| Westerham (Branksome Park) Management Limited | Households | 1974 |
| Westerly Group Ltd | Financial services | 2018 |
| Western Glade Management Limited | Households | 1995 |
| Western Scaffolding Limited | | 1992 |
| Westerngate Freehold Limited | Real estate | 2004 |
| Westfield Property Management Company Ltd | Households | 2008 |
| Westgate Bournemouth Freehold Limited | Real estate | 2019 |
| Westgate Bournemouth Limited | Households | 2008 |
| Westhaven (Alum Chine) Management Company Limited | Households | 2002 |
| Westhaven Flats Management Company Limited | Households | 2006 |
| Westheath Court Limited | Real estate | 2004 |
| Westlands Court Management Limited | Households | 1980 |
| Westley Services Management Ltd | Real estate | 2015 |
| Westminster Catering Company Ltd | Other services | 2015 |
| Westminster Estates Limited | Professional & scientific | 1986 |
| Weston Communications Ltd | Hospitality | 2019 |
| Weston Grange (Management) Limited | Households | 1958 |
| Westover Beauty Salons Ltd | Other services | 2024 |
| Westover Express Limited Limited | Wholesale & retail | 2025 |
| Westover Investments Limited | Construction | 2020 |
| Westover Land & Consulting Ltd | Professional & scientific | 2026 |
| Westover Management Limited | Wholesale & retail | 2002 |
| Westover Surveyors Ltd | Professional & scientific | 2018 |
| Westpark Press Limited | Professional & scientific | 1997 |
| Westport Investment Ltd. | Hospitality | 2008 |
| Westray Hall Limited | Households | 2002 |
| Westridge Village Limited | Construction | 2016 |
| Westronpoint Solutions Ltd | Information & communication | 2025 |
| Westwood 14 Howard Road Bournemouth Management Company Limited | Hospitality | 2005 |
| Wetherall Properties Limited | Real estate | 2014 |
| Wetj Holdings Ltd | Financial services | 2025 |
| Weymont Residents Association Limited | Real estate | 1973 |
| WHANAU2 LLP | | 2015 |
| Wharfdale Road Management Company Limited | Real estate | 1986 |
| Whateley Consultancy Services Limited | Professional & scientific | 2023 |
| Whathafun. Events Ltd | Information & communication | 2023 |
| Whimsyhat Services Limited | Hospitality | 2022 |
| Whipzone Holdings Ltd | Other services | 2026 |
| Whipzone Ltd | Other services | 2026 |
| Whipzone OPS Ltd | Other services | 2026 |
| Whiskers and Wishes Ltd | Manufacturing | 2024 |
| Whisperstats Ltd | Information & communication | 2025 |
| White APE Ltd | Professional & scientific | 2020 |
| White Barn UK Limited | Real estate | 2025 |
| White Christmas Events Limited | Arts & recreation | 2015 |
| White Diamond Holdings Limited | Financial services | 2025 |
| White Finish Cleaning Ltd | Administrative & support | 2026 |
| White Kite (Leicester) Limited | Real estate | 2021 |
| White Kite Holdings 2021 Limited | Households | 2021 |
| White Kite Ltd | Real estate | 2002 |
| White Lantern Film Advance Ltd | Information & communication | 2011 |
| White Stag Fungi Limited | Manufacturing | 2025 |
| White Tiger Europe Limited | Wholesale & retail | 2009 |
| White's Beverages Ltd | Hospitality | 2023 |
| Whitecapped Ltd | Professional & scientific | 2021 |
| Whitegates Estate Agency Limited | Real estate | 1963 |
| Whitehaven Ltd | Construction | 2016 |
| Whitemoor Consulting Ltd | Information & communication | 2002 |
| Whitepoint Properties Limited | Real estate | 1987 |
| Whites Estates Ltd | Real estate | 2012 |
| Whitfield Allen Holdings Limited | Financial services | 2025 |
| Whitfield Armitage Limited | Real estate | 2023 |
| Whitfield Carpentry Services Limited | Construction | 2002 |
| Whitmed Ltd | Health & social care | 2009 |
| Whitnalls Plumbing and Heating Ltd | Construction | 2025 |
| Whittles Restaurant and Bar Limited | Hospitality | 2020 |
| Whitworth Road Launderette Limited | Other services | 2010 |
| Whiuk Ltd | Administrative & support | 2019 |
| WHO Landed Limited | Wholesale & retail | 2017 |
| Whole Nine Yards (UK) Limited | Real estate | 2014 |
| Wick Farm Management Limited | Households | 1984 |
| Wickborough Management Limited | Households | 2016 |
| Wicked Winters Ltd | Information & communication | 2018 |
| Wide Horizons Freehold Limited | Households | 2017 |
| Widebeach Limited | Households | 1987 |