| World Products Holdings Limited | Financial services | 2026 |
| World Sports Management Ltd | Extraterritorial | 2011 |
| World Tour Limited | Administrative & support | 2022 |
| World Trade Values Limited | Wholesale & retail | 2008 |
| World Voice Services Limited | Wholesale & retail | 2018 |
| Worldbaba Ltd | Wholesale & retail | 2023 |
| Worlds Hardest Hitters Limited | Information & communication | 2025 |
| Worldwide Cash and Carry Limited | Wholesale & retail | 2024 |
| Worldwide Express (UK) Ltd | Transport & logistics | 1992 |
| Worldwide Formations Ltd | Extraterritorial | 2010 |
| Worsbrough Transport Ltd | Transport & logistics | 2014 |
| Worth the Squeeze Limited | Professional & scientific | 2023 |
| Worths Ltd | Administrative & support | 2008 |
| WOS Dormant 1 Limited | Extraterritorial | 2001 |
| WOS Dormant 2 Limited | Extraterritorial | 2007 |
| WOW Book Camp Limited | Education | 2018 |
| WOW Foods Leicester Ltd | Hospitality | 2018 |
| WOW INT Ltd | Manufacturing | 2020 |
| WP Developments Leicestershire Limited | Construction | 2026 |
| WP International Ltd | Manufacturing | 2022 |
| WP Primary Care Ltd | Public administration | 2023 |
| WP Salvage Limited | Wholesale & retail | 2024 |
| WP Storage & Recovery Ltd | Other services | 2025 |
| WP Trading Ltd | Wholesale & retail | 2025 |
| WP Windows and Building Solutions Ltd | Construction | 2016 |
| WPA Trustees Limited | Financial services | 2018 |
| Wpeh Limited | Construction | 2018 |
| WPH Chaii Ltd | Hospitality | 2026 |
| WPH Service Engineering Limited | Other services | 2023 |
| WPM 2025 Limited | Real estate | 2025 |
| Wpoas Limited | Construction | 2018 |
| WPS Paraplanning Ltd | Professional & scientific | 2023 |
| WR Services (Leicester) Ltd | Construction | 2026 |
| Wrafters Electrical Services Limited | Construction | 2012 |
| Wrap & Bloom Ltd | Wholesale & retail | 2025 |
| Wrap and Roll Savouries Limited | Hospitality | 2025 |
| Wrap UP Ltd | Other services | 2022 |
| Wreake Valley Craftsmen,Limited | Manufacturing | 1951 |
| Wreake Valley Holdings Limited | Financial services | 2020 |
| Wreck Creative 2 Limited | Construction | 2026 |
| Wrenbury Properties Limited | Extraterritorial | 2010 |
| Wright Change Limited | Information & communication | 2014 |
| Wright Estates Property Services Ltd | Real estate | 2025 |
| Wright Family Investments Ltd | Real estate | 2022 |
| Wright Ventures Ltd | Administrative & support | 2011 |
| Wright's Accident Repair Centre (Derby) Limited | Wholesale & retail | 2003 |
| Wrightfields Limited Ltd | Wholesale & retail | 2026 |
| Wrightmove Removals Ltd | Transport & logistics | 2022 |
| Wrights Recycling Machinery Limited | Construction | 2012 |
| Wrightyscardhub Ltd | Wholesale & retail | 2025 |
| WRK Designs & Investments Ltd | Real estate | 2022 |
| Wroseaire 2 Limited | Real estate | 2009 |
| Wroseaire Limited | Construction | 2021 |
| Wroxall Consulting Ltd | Health & social care | 2021 |
| WS Electrical Ltd | Construction | 2025 |
| WS Hair and Beauty Limited | Financial services | 2025 |
| WSA Prime Traders Limited | Wholesale & retail | 2026 |
| WSE Academy Limited | Education | 2020 |
| WSF (Midlands) Ltd | Manufacturing | 2018 |
| Wshahid Holdings Ltd | Health & social care | 2021 |
| WSP Engineering Ltd | Professional & scientific | 2018 |
| WSP Property Management Ltd | Real estate | 2019 |
| WSP Racing Limited | Arts & recreation | 2019 |
| WTA Promotions Ltd | Arts & recreation | 2025 |
| WTM Properties (Leicester) Ltd | Real estate | 2017 |
| WTS Trustees Limited | Financial services | 2022 |
| Wundercars Ltd | Transport & logistics | 2000 |
| Wundova Stretch (Louth) Limited | Manufacturing | 1981 |
| Wurl Studios Limited | Administrative & support | 2017 |
| Wurud Ltd | Wholesale & retail | 2025 |
| WV Swift UK Ltd | Hospitality | 2026 |
| WW 1903 Limited | Real estate | 2020 |
| WW Busby & Sons Limited | Manufacturing | 2012 |
| WWF Estates Ltd | Real estate | 2023 |
| WWR London Ltd | Professional & scientific | 2013 |
| Wyatt Newton Painting Services Ltd | Construction | 2025 |
| Wycliffe Operations Ltd | Transport & logistics | 2014 |
| WYE Construction Limited | Construction | 2007 |
| WYE Systems Limited | Manufacturing | 2013 |
| Wyett's Western Ltd | Wholesale & retail | 2025 |
| Wyggestons and Trinity Almshouses Trustee | Health & social care | 2011 |
| Wygston House Limited | Hospitality | 2019 |
| Wykeham Logistics Ltd | Transport & logistics | 2014 |
| Wykelaw Limited | Professional & scientific | 2022 |
| Wylam Court Management Company Limited | Extraterritorial | 2004 |
| Wymeswold Business Quarter Management Company Limited | Households | 2021 |
| Wyndham Lodge Developments Limited | Construction | 2015 |
| Wyndham Lodge Management Company Limited | Households | 2018 |
| Wyndham Lodge Management Company NO2 Limited | Households | 2019 |
| Wyndham Stables Limited | Construction | 2018 |
| Wyndholme Professional Services Ltd | Information & communication | 2019 |
| Wyrd Learning Ltd | Education | 2022 |
| Wythenshawe Accuracy Ltd | Hospitality | 2014 |
| Wyvern Bar Limited | Hospitality | 2025 |
| Wyvern Food Solutions Ltd | Professional & scientific | 2012 |
| Wyvern Technical Services Ltd. | Manufacturing | 2014 |
| Wyze Ltd | Professional & scientific | 2015 |
| WZ Estates Ltd | Real estate | 2025 |
| X & Y Fertility Ltd | Health & social care | 2016 |
| X Drive Motors Limited | Wholesale & retail | 2018 |