| Waveline Multisystems Ltd | Other services | 2010 |
| Wayside Point Management Company Limited | Households | 2018 |
| WB Tree and Landscapes Limited | Administrative & support | 2008 |
| WC1 Pubs Limited | Hospitality | 2023 |
| WE ARE Dusk Ltd | Professional & scientific | 2024 |
| WE Make Footballers HWH LLP | | 2023 |
| Weavers Gate (Liversedge) Management Company Limited | Households | 2004 |
| Weavers Green Residents Association Limited | Households | 2001 |
| Webster Estates Ltd | Real estate | 1989 |
| Webvertlocal Limited | Professional & scientific | 2006 |
| Wells Yard Ware Management Limited | Households | 2008 |
| Wellswood Park (Reading) Residents Management Company Limited | Households | 2016 |
| Welwyn Garden Design Limited | Construction | 2022 |
| Wentworth Gardens (Phase 2) Residents Association Limited | Households | 2004 |
| West END Lane Residents Company Limited | Households | 1999 |
| West London Learning Club Limited | Health & social care | 2022 |
| West Point (Ewell) Management Company Limited | Households | 2007 |
| Westcott Park NO. 5 Residents Company Limited | Households | 1989 |
| Westcott Park NO. 6 Residents Company Limited | Households | 1989 |
| Westcott Park NO.1 Residents Company Limited | Households | 1990 |
| Westcott Park NO.2 Residents Company Limited | Households | 1994 |
| Westcott Park NO.4 Residents Company Limited | Households | 1992 |
| Western Road (Tring) Management Company Limited | Households | 2004 |
| Westfield 1964 Limited | Extraterritorial | 2014 |
| WESTGATE365 Limited | Administrative & support | 2016 |
| Westmoreland Road Management Limited | Households | 1982 |
| Weston Fields Management Company Limited | Households | 2018 |
| Weston Road (Aston Clinton) Residents Management Company Limited | Households | 2016 |
| Westside (Hayes) Management Company Limited | Households | 2006 |
| Westwood Leber Commercial Limited | Real estate | 2023 |
| Westwood Leber Lettings Ltd | Real estate | 2017 |
| Westwood Leber Limited | Real estate | 2017 |
| WGA PR Limited | Professional & scientific | 2024 |
| Whale & Butcher Investments Limited | Real estate | 2021 |
| Whalley Road (Barrow) Management Company Limited | Households | 2020 |
| Wharf Road Residents Association Limited | Households | 1969 |
| Whim Brook Walk Management Company Limited | Households | 2022 |
| Whipps Enforcement Agents Ltd. | Administrative & support | 2018 |
| Whipps Limited | Administrative & support | 2024 |
| Whistle and Barks Solutions Ltd | Other services | 2023 |
| Whitchurch Court (Southampton) Limited | Households | 1996 |
| White Architecture Ltd | Professional & scientific | 2013 |
| White Cross Managment Limited | Households | 2008 |
| Whiteley K (NO.2) Management Company Limited | Households | 2003 |
| Whitmore Estate Limited | Agriculture & fishing | 2015 |
| Wickham House Management Southampton Limited | Households | 2004 |
| Wickwood Court (ST. Albans) Management Company Limited | Households | 1972 |
| Willcob Care Ltd | Wholesale & retail | 2017 |
| Willcock and White Group Ltd | Financial services | 2023 |
| Willcock and White Property Investments Ltd | Real estate | 2023 |
| Willcock and White Property Services Ltd | Construction | 2013 |
| Willcock Property Investments Ltd | Real estate | 2020 |
| William James Property Ltd | Other services | 2014 |
| Williamson Investment Group Limited | Financial services | 2011 |
| Willow Flooring Ltd | Construction | 2010 |
| Willow Grange Residents Association Limited | Households | 2001 |
| Willow Grove (Stopsley) Management Company Limited | Households | 2017 |
| Willow Housing Solutions Ltd | Health & social care | 2019 |
| Willow Mews Residents Limited | Households | 2006 |
| Willow Tree Build Ltd | Construction | 2025 |
| Willow Wing Care Ltd | Administrative & support | 2026 |
| Willowbrook Property Limited | Real estate | 2020 |
| Willowcroft Lodge Management Company Limited | Households | 2001 |
| Willowfields (Wesham) Management Company Limited | Households | 2007 |
| Wilson & Sons Limited | Construction | 2003 |
| Wilsons (Bros) Fish and Chips Limited | Hospitality | 2014 |
| Wilsons Court Management Company Limited | Households | 2004 |
| Wilstock Village 3B Management Company Ltd | Households | 2019 |
| Winnington Place (Winnington) Management Company Limited | Households | 2021 |
| Winters & Co Limited | Professional & scientific | 2013 |
| Wise Guys Barber Ltd | Other services | 2024 |
| WJC Property Holdings Ltd | Real estate | 2019 |
| Wolf Business Development Ltd | Professional & scientific | 2017 |
| Wood Carewell Managements Limited | Professional & scientific | 1989 |
| Wood Farm Park Management Co. Limited | Households | 1990 |
| Wood Group Trustees Limited | Professional & scientific | 1975 |
| Wood Management Trustees Limited | Real estate | 1958 |
| Wood Managements Limited | Professional & scientific | 1933 |
| Wood Trustees Limited | Real estate | 1978 |
| Woodcock Utilities Management Limited | Professional & scientific | 2013 |
| Woodcutts Management (Plots 16-27) Limited | Households | 1993 |
| Woodfield Park Residents Association Limited | Households | 2000 |
| Woodford (the Courtyard) Management Company Limited | Households | 2019 |
| Woodford Garden Village Management Company Limited | Households | 2017 |
| Woodgate Place (Great Sankey) Management Company Limited | Households | 2005 |
| Woodland Properties Limited | Administrative & support | 2018 |
| Woodland View (Prestwich) Management Company Limited | Households | 2016 |
| Woodlea Lodge Management Limited | Households | 1986 |
| Woodpeckers Hertfordshire Ltd | Real estate | 2022 |
| Woodside Management (Palmers Green) Limited | Real estate | 1987 |
| Woodston Mews (Peterborough) Management Company Limited | Households | 2024 |
| Woolcroft Rise Management Company Limited | Households | 2025 |
| Woollensbrook Developments Limited | Construction | 2010 |
| Woollensbrook Homes Limited | Construction | 2017 |
| Woolmer Copse Management Company Limited | Households | 2019 |
| Worden Court Management (183-190) Limited | Real estate | 2011 |
| Worden Gardens (the Altons Block 1) Management Company Limited | Households | 2021 |
| Worden Gardens (the Altons Block 2) Management Company Limited | Households | 2021 |
| Worden Gardens Management Company Limited | Households | 2020 |
| Worden Hall (Buckshaw Village) Management Company Limited | Households | 2003 |