| West View Fancies Limited | Wholesale & retail | 2022 |
| Westfield Bespoke Joinery Ltd | Construction | 2017 |
| Westfield Properties & Renovations Ltd | Construction | 2025 |
| Westlands Butchers Limited | Manufacturing | 2024 |
| Wheatley Wood Wind Limited | Energy | 2012 |
| Whitaker Horseboxes Limited | Professional & scientific | 2002 |
| White Forge Consulting Limited | Professional & scientific | 2024 |
| White Horse (Barnby Moor) Limited | Agriculture & fishing | 2008 |
| White Lion Inn Retford Ltd | Hospitality | 2020 |
| Whitehead Farming Services Limited | Agriculture & fishing | 2024 |
| Whittaker Coachbuilders International Limited | Manufacturing | 2005 |
| Whittaker Horse Transport Limited | Professional & scientific | 2002 |
| Whittaker Horseboxes Limited | Professional & scientific | 2002 |
| Whittaker International Limited | Professional & scientific | 1999 |
| Wildboar Racing Ltd | Wholesale & retail | 2020 |
| Will Tomlinson Sports Management Ltd | Arts & recreation | 2025 |
| William Bradley Ltd | Professional & scientific | 2025 |
| Willment Speed Shop Limited | Professional & scientific | 2016 |
| Willow Bramley Ltd | Agriculture & fishing | 2022 |
| Willow Farm Cottam Ltd | Wholesale & retail | 2022 |
| Wilmat Civil Engineering Limited | Construction | 2006 |
| Wilmat Plant Limited | Construction | 2003 |
| Wilson Coatings Limited | Construction | 2017 |
| Wilson Training Services Ltd | Professional & scientific | 2014 |
| Wiresmart Ltd | Construction | 2020 |
| WJS Surveyors LLP | | 2016 |
| WM. Howard & Co. Limited | Agriculture & fishing | 1953 |
| Wonderland Books Limited | Wholesale & retail | 2020 |
| Woodholme Torworth Ltd | Real estate | 2022 |
| Woodlands Building and Construction Limited | Construction | 1998 |
| Woodlands Property Investment Limited | Real estate | 1993 |
| Workplace Fire & Safety Training Ltd | Public administration | 2013 |
| Worksop Bulk Tippers Ltd | Transport & logistics | 2019 |
| Worksop MAN & Van Limited | Transport & logistics | 2024 |
| Worksop Rugby Club Investors Consortium | Extraterritorial | 2012 |
| Worksop Rugby Union Football Club | Arts & recreation | 2009 |
| Worldsnacks Limited | Wholesale & retail | 2023 |
| Worldsupreme (Charolais) Limited | Agriculture & fishing | 1998 |
| WOW Dosa Limited | Hospitality | 2023 |
| WPC Ltd | Construction | 2021 |
| WW Podiatry Limited | Health & social care | 2021 |
| X - Directory Limited | Information & communication | 1986 |
| Xanthus Environmental Ltd | Professional & scientific | 2012 |
| Xeiona Group Ltd | Financial services | 2025 |
| Y J Asset Management Limited | Professional & scientific | 2003 |
| YAG Properties Limited | Real estate | 2002 |
| Yall Limited | Professional & scientific | 1997 |
| Yash Indian Limited | Hospitality | 2016 |
| Yash Indian Spice Limited | Hospitality | 2024 |
| Yearnrose Limited | | 1980 |
| YES Drive Solutions Ltd | Administrative & support | 2021 |
| Yoocos Healthcare Limited | Health & social care | 2014 |
| Yorkshire Care Ltd | Administrative & support | 2021 |
| Yorkshire Classic Cars Limited | Wholesale & retail | 2019 |
| Yorkshire Leisure Limited | Arts & recreation | 2005 |
| Young Optical Ltd | Health & social care | 2008 |
| Your Holiday Getaway Limited | Administrative & support | 2020 |
| Your Precious Health Limited | Extraterritorial | 2021 |
| Zantara Financial Services Ltd | Professional & scientific | 2025 |
| Zantara Ltd | Real estate | 2020 |
| ZEN DEN Wellbeing Ltd | Other services | 2019 |
| ZEN GRF Ltd | Wholesale & retail | 2021 |
| Zerya Ltd | Transport & logistics | 2023 |
| Zest X LDN Ltd | Hospitality | 2021 |
| ZIP Contracts Ltd | Construction | 2009 |
| ZKL Cleaning Group Ltd | Administrative & support | 2024 |
| Zorab Insurance Services Limited | Financial services | 1990 |
| ZRG Property & Facilities Management Ltd | Professional & scientific | 2022 |
| Zynova Ltd | Professional & scientific | 2024 |