| Wonderlease Holdings Limited | Financial services | 2024 |
| Wood Flame Pizza and Grill Ltd | Hospitality | 2022 |
| Wood Floor Service Kolevi Ltd | Construction | 2013 |
| Wood Flooring Force Limited | Administrative & support | 2017 |
| Wood Green Developers Ltd | Construction | 2025 |
| Wood Philippe Ltd | Construction | 2025 |
| Wood Street Walls CIC | Arts & recreation | 2015 |
| Woodbridge Management Company (Woodford Bridge) Limited | Households | 1986 |
| Woodbury Construction Limited | Construction | 2021 |
| Woodcroft Law Ltd | Professional & scientific | 2022 |
| Wooden Projects Ltd | Construction | 2022 |
| Woodeneva Ltd | Manufacturing | 2022 |
| Woodfield Properties Ltd | Real estate | 2018 |
| Woodfloors 4 U Limited | Wholesale & retail | 2008 |
| Woodford Green Investments Ltd | Real estate | 2017 |
| Woodford Property (London) Limited | Real estate | 2017 |
| Woodford Triangle Ltd | Real estate | 2025 |
| Woodford Wise Ltd | Professional & scientific | 2015 |
| Woodgrove Services Ltd | Manufacturing | 2025 |
| Woodhaven Garden Management Association Limited | Households | 1972 |
| Woodland Builders Limited | Construction | 1998 |
| Woodland Business Services Ltd | Other services | 2017 |
| Woodland Court Freehold Management Limited | Households | 2007 |
| Woodland Estate Management Ltd | Real estate | 2012 |
| Woodland Properties Management Ltd | Administrative & support | 2016 |
| Woodlands Glade Limited | Real estate | 2023 |
| Woodlands Glade Residential Ltd | Real estate | 2025 |
| Woodlands Housing Limited | Real estate | 2011 |
| Woodlands Investments London Ltd | Real estate | 2018 |
| Woodlands Security Ltd | Administrative & support | 2023 |
| Woodmans Limited | Real estate | 2007 |
| Woodredon Equine Centre Ltd | Agriculture & fishing | 2024 |
| Woodridge Building Services Limited | Construction | 2018 |
| Woodrow Estates Limited | Real estate | 2018 |
| Woodstyle Kitchens & Bedrooms Ltd. | Manufacturing | 2002 |
| Woodvile Ltd | Real estate | 2020 |
| Woodville Foods Ltd | Hospitality | 2017 |
| Woodville Gardens Ltd | Real estate | 2018 |
| Woolcrest Textiles Limited | Wholesale & retail | 1995 |
| Woolmag Ltd | Wholesale & retail | 2024 |
| Woolwich Management Services Limited | Real estate | 2015 |
| Woosterlk Management Ltd | Construction | 2025 |
| Wootton Hearing Care Ltd | Wholesale & retail | 2025 |
| Wordmaster Limited | Administrative & support | 2010 |
| Work Zone U.K. Ltd | Real estate | 2026 |
| Worker Finder Ltd | Administrative & support | 2018 |
| Workers-Direct Ltd | Administrative & support | 2011 |
| Workforce London Ltd | Administrative & support | 2017 |
| Workforce Skills College | Education | 2025 |
| Workhorse Marketing Ltd | Professional & scientific | 2024 |
| Working Class Films Ltd | Professional & scientific | 2025 |
| Workora Ltd | Wholesale & retail | 2025 |
| Works Lover Ltd | Wholesale & retail | 2023 |
| Worksonic Ltd | Professional & scientific | 2025 |
| Worktechuk Ltd | Wholesale & retail | 2024 |
| World Car Repairs & Sales Ltd | Wholesale & retail | 2016 |
| World Commerce Ltd | Wholesale & retail | 2025 |
| World Construction Services Ltd | Construction | 2019 |
| World Consultants Ltd | Information & communication | 2024 |
| World News 24 Ltd | Information & communication | 2023 |
| World of Kids 3 Limited | Health & social care | 2013 |
| World of Kids Limited | Education | 1997 |
| World Records Limited | Information & communication | 2016 |
| World Systems Communications Ltd | Information & communication | 2025 |
| World Tech Limited | Wholesale & retail | 2010 |
| World Transfers Logistic Limited | Transport & logistics | 2025 |
| World TV Ltd | Information & communication | 2008 |
| Worldcorp Services Ltd | Information & communication | 2003 |
| Worldmedicareholdco Limited | Health & social care | 2025 |
| Worldreach Contracts Ltd | Professional & scientific | 2023 |
| Worlds Great Motors Ltd | Wholesale & retail | 2024 |
| Worldtamilweb Ltd | Information & communication | 2014 |
| Worldview Consultancy Limited | Information & communication | 2018 |
| Worldwide Hospitality Network Limited | Real estate | 2022 |
| Worldwide Solicitors Ltd | Professional & scientific | 2016 |
| Worth Working Construction Limited | Construction | 2024 |
| WORX-7 Ltd | Wholesale & retail | 2021 |
| Wott Ideas Ltd | Wholesale & retail | 2019 |
| Woven Studio LLP | | 2009 |
| WOW99 Ltd | Wholesale & retail | 2025 |
| WP Gants Hill Ltd | Extraterritorial | 2022 |
| Wp-Trans Ltd | Transport & logistics | 2018 |
| WR Firetech Ltd | Manufacturing | 2022 |
| WR Handy Services Ltd | Construction | 2025 |
| Wrightvision Limited | Professional & scientific | 2024 |
| Wrigo Plus Trading Ltd | Construction | 2023 |
| Wrtp Ltd | Real estate | 2025 |
| WS Pharma Limited | Wholesale & retail | 2024 |
| WS Plumbing Ltd | Other services | 2026 |
| WS Technology Ventures Limited | Information & communication | 2020 |
| WS Ventures Management Limited | Financial services | 2020 |
| WSD Solutions Limited | Real estate | 2023 |
| Wsgf UK Limited | Health & social care | 2014 |
| WSJ Estates Ltd | Real estate | 2022 |
| Wssllie Limited | Real estate | 1959 |
| WST Journeys Ltd | Wholesale & retail | 2025 |
| WTD Limited | Health & social care | 2022 |
| Wuwuchen Trading UK Ltd | Wholesale & retail | 2024 |
| Wuxi Limited | Wholesale & retail | 2026 |
| WX2 Retail Ltd | Wholesale & retail | 2023 |