| Wold House Consultancy Limited | Professional & scientific | 2026 |
| Wold House Trading Ltd | Wholesale & retail | 2025 |
| Wold Pizza 1 Ltd | Hospitality | 2024 |
| Wold Roofing Ltd | Construction | 2024 |
| Wold Toppers Limited | Manufacturing | 2000 |
| Wold View Weddings Ltd | Real estate | 2021 |
| Woldcoast Ltd | Wholesale & retail | 2021 |
| Wolds & Westwood Ltd | Construction | 2026 |
| Wolds Competitions Ltd | Wholesale & retail | 2025 |
| Wolds Gymnastics Club Ltd | Arts & recreation | 2017 |
| Wolds Optical Limited | Manufacturing | 1996 |
| Wolds Property & Landscaping Ltd | Administrative & support | 2020 |
| Wolds Property Investments Limited | Real estate | 2024 |
| Wolds Stoves Limited | Wholesale & retail | 2007 |
| Wolds Way to Health Limited | Arts & recreation | 2004 |
| Woldtech Limited | Administrative & support | 2006 |
| Wood Art Studio Limited | Manufacturing | 2015 |
| Woodhead Strategic Financial Consulting Limited | Other services | 2026 |
| Woodhouse (Lund) Ltd | Construction | 2010 |
| Woodhouse Estate Agents Limited | Real estate | 2021 |
| Woof Online Limited | Information & communication | 2014 |
| Wright Property Renovations Ltd | Construction | 2021 |
| Wrightworks Design Ltd | Real estate | 2021 |
| WSB Property Consultants LLP | | 2010 |
| WV Bar and Furniture Hire Ltd | Wholesale & retail | 2022 |
| WX Partners Limited | Wholesale & retail | 2010 |
| WX Property Ltd | Real estate | 2024 |
| Wyco Ltd | Construction | 2023 |
| Wyecarr Canine Limited | Agriculture & fishing | 2021 |
| Wynthorpe Holdings Limited | Real estate | 2025 |
| X Hair MAN Barber Ltd | Other services | 2020 |
| Xemik Solutions! Ltd | Information & communication | 1995 |
| Xeoxicon Solutions Limited | Information & communication | 2014 |
| Xynnar Group Ltd | Real estate | 2025 |
| YEW Tree Recruitment Ltd | Administrative & support | 2024 |
| York Machining Services Limited | Manufacturing | 2018 |
| Yorkshire & the Wolds Sales & Lettings Limited | Real estate | 2020 |
| Yorkshire Coast Cleaning Company Limited | Administrative & support | 2025 |
| Yorkshire Coast Coffee and Food Ltd Ltd | Wholesale & retail | 2020 |
| Yorkshire Events Management Limited | Households | 2026 |
| Yorkshire Express Services Limited | Transport & logistics | 2011 |
| Yorkshire Grain Limited | Agriculture & fishing | 2009 |
| Yorkshire Group Holdings Limited | Professional & scientific | 2005 |
| Yorkshire Holiday Home Centre Limited | Extraterritorial | 2015 |
| Yorkshire Joinery Contractors Ltd | Construction | 2026 |
| Yorkshire Pergolas Limited | Extraterritorial | 2020 |
| Yorkshire Pest Control Limited | Manufacturing | 2007 |
| Yorkshire Pools Limited | Manufacturing | 2022 |
| Yorkshire Response Services Ltd | Administrative & support | 2021 |
| Yorkwold (Overseas) Limited | Agriculture & fishing | 2004 |
| Yorkwold Pigpro Limited | Agriculture & fishing | 1972 |
| Yortech Leisure Ltd | Hospitality | 2024 |
| Your Handyman Services (East Yorkshire) Limited | Manufacturing | 2019 |
| Your IT Workplace Ltd | Information & communication | 2011 |
| Youth Futures Partnership Ltd | Education | 2025 |
| YTC Limited | Wholesale & retail | 1999 |
| ZAP Infinity Limited | Administrative & support | 2025 |
| Zing Innovations Ltd. | Information & communication | 1999 |
| Zircon Flooring Limited | Construction | 2002 |