| Vytl Group Ltd | Administrative & support | 2025 |
| W.H. Horsley & Co Ltd | Real estate | 2015 |
| W.Y.K. Ltd | Construction | 2015 |
| Wagon Deals Limited | Wholesale & retail | 2024 |
| WAI Properties Ltd | Real estate | 2022 |
| Waldain Limited | Real estate | 2019 |
| Walking With My Bear Adventures Ltd | Arts & recreation | 2025 |
| Walking With My Bear Holdings Ltd | Financial services | 2025 |
| Walshaw Trade Supplies Ltd | Wholesale & retail | 2020 |
| Ward Resilience Limited | Information & communication | 2013 |
| Warranty Your Way Ltd | Administrative & support | 2025 |
| Watergate (Wakefield) Limited | Construction | 2002 |
| WAX Medic Ltd | Health & social care | 2024 |
| WBG Ltd | Wholesale & retail | 2012 |
| WBV Motor Group Ltd | Wholesale & retail | 2025 |
| Wddc Surveying & Consultancy Ltd | Professional & scientific | 2025 |
| Wdprop Limited | Real estate | 2023 |
| WE ARE True Ltd | Wholesale & retail | 2020 |
| WE Buy ANY Land U.K Ltd | Construction | 2023 |
| WE Drive Ltd | Transport & logistics | 2016 |
| WE Love Sailing Ltd | Education | 2017 |
| Wearable Print Group Ltd | Administrative & support | 1995 |
| Wellfetch Ltd | Wholesale & retail | 2025 |
| West Doncaster Properties Ltd | Real estate | 2025 |
| West London & Surrey Property Services Ltd | Financial services | 2016 |
| West Yorkshire Fashion Week Limited | Administrative & support | 2025 |
| West Yorkshire Renovations Limited | Construction | 2018 |
| Westcliffe Management Ltd. | Households | 1999 |
| Westcliffe Works Ltd | Mining & quarrying | 2024 |
| Westfield Stonework Ltd | Other services | 2025 |
| Westgate Glass & Mirror Company Limited | Manufacturing | 2008 |
| Westgate Tyres Ltd | Wholesale & retail | 2021 |
| WGM Civil Engineering Limited | Construction | 2023 |
| Whale Insider Media Limited | Professional & scientific | 2025 |
| Wheatsheaf Cottages Management Company Limited | Households | 2013 |
| Whitcliffe Renovations Limited | Construction | 2017 |
| White Property Group Limited | Real estate | 2015 |
| White Rose Commercial Holdings Ltd | Real estate | 2022 |
| White Rose Group Holdings Ltd | Other services | 2022 |
| Whitechapel Consultancy Limited | Professional & scientific | 2015 |
| Wicks Quantity Surveying Services Limited | Professional & scientific | 2017 |
| Wigtox Aesthetics Ltd | Other services | 2021 |
| Wild Daisy Natural Skincare Limited | Manufacturing | 2025 |
| Wild Moons Ltd | Information & communication | 2022 |
| William Street (Development) Ltd | Construction | 2010 |
| Willow Croft Houses Ltd | Real estate | 2021 |
| Willow Invest Ltd | Real estate | 2024 |
| Willow Properties (Yorkshire) Limited | Real estate | 2015 |
| Willow Property Sales & Lettings Ltd | Real estate | 2024 |
| Wilshaw House Limited | Information & communication | 2002 |
| Wilson International Limited | Manufacturing | 1994 |
| Winfor Ltd | Wholesale & retail | 2023 |
| WOK Ever Palace Ltd | Hospitality | 2017 |
| Wolimut Ltd | Real estate | 2024 |
| Wood Cost Consultants Limited | Professional & scientific | 2020 |
| Wood N Wall Solutions Ltd | Other services | 2013 |
| Wood Property Developments Limited | Real estate | 2002 |
| Woodhall Professional Ltd | Administrative & support | 2014 |
| Woodhouse Construction Limited | Construction | 2020 |
| Woodland Park Business Services Limited | Real estate | 2026 |
| Woodlands Catering Services Limited | Hospitality | 1984 |
| Woolcraft Limited | Wholesale & retail | 2018 |
| Working Chimp Productions C.I.C. | Arts & recreation | 2012 |
| Works Electrical Limited | Construction | 2009 |
| Worth Beauty Ltd | Other services | 2025 |
| Wortley Property Limited | Real estate | 2018 |
| WR Fabrics Co Ltd | Wholesale & retail | 2022 |
| Wrawby Contracts Limited | Water & waste | 2010 |
| Wrawby Services Limited | Water & waste | 1987 |
| Wright Properties (WY) Limited | Real estate | 2022 |
| Wright's Fire and Security Systems Ltd | Administrative & support | 2018 |
| Wrightson Associates Ltd. | Professional & scientific | 2019 |
| Wrpc Ltd | Real estate | 2020 |
| XKX Projects Ltd | Construction | 2009 |
| XL Business Solutions Limited | Administrative & support | 2004 |
| XPC Investments Ltd | Administrative & support | 2018 |
| Yammy Entertainment Limited | Information & communication | 2022 |
| Yammy Media Limited | Information & communication | 2016 |
| YBF Limited | Construction | 2016 |
| Yellow Stone Projects Ltd | Construction | 2023 |
| Yorkshire Care Experts Ltd | Health & social care | 2023 |
| Yorkshire Cutting Company Ltd | Manufacturing | 2021 |
| Yorkshire Electrical Engineering Ltd | Construction | 2024 |
| Yorkshire Elite Logistics Ltd | Transport & logistics | 2020 |
| Yorkshire Greetings Limited | Wholesale & retail | 2003 |
| Yorkshire Heating Contractors Ltd | Construction | 2024 |
| Yorkshire Machined Components Limited | Manufacturing | 2024 |
| Yorkshire Mini Crusher Hire Limited | Administrative & support | 2022 |
| Yorkshire Night Time Solutions Ltd | Hospitality | 2019 |
| Yorkshire Powerhouse Limited | Administrative & support | 2016 |
| Yorkshire Property Revivals Limited | Real estate | 2025 |
| Yorkshire Property Solutions Limited | Real estate | 2025 |
| Yorkshire Residential Limited | Real estate | 2022 |
| Yorkshire Residential Sales & Lettings Limited | Real estate | 2018 |
| Yorkshire Retrofit Ltd | Wholesale & retail | 2019 |
| Yorkshire Sports Limited | Arts & recreation | 2013 |
| Yorkshire WET Rooms Ltd | Manufacturing | 2014 |
| Yorsipp (Trustees) Limited | Administrative & support | 2001 |
| Yorsipp Limited | Financial services | 2006 |
| Yorssas (Trustees) Limited | Financial services | 2007 |