| Whitby Seafish Limited | Wholesale & retail | 2003 |
| Whitby Tool & Equipment Hire Limited | Extraterritorial | 2020 |
| Whitby Tool & Plant Hire Limited | Administrative & support | 2013 |
| White Rose Property (Driffield) Limited | Real estate | 2018 |
| White Rose Saddlery Ltd | Wholesale & retail | 2014 |
| Whitehall Landing Management Company Limited | Households | 2002 |
| Whiteridge Limited | Information & communication | 2010 |
| Whorley (Motor Bodies) | | 1992 |
| Wick Cottage Interiors Limited | Manufacturing | 2024 |
| Wilkinsons Vehicle Solutions Limited | Wholesale & retail | 2014 |
| Willerby Wold Piggeries Limited | Agriculture & fishing | 1964 |
| William Capital Ltd | Financial services | 2023 |
| William Hodgson & Sons (Motors) Limited | Wholesale & retail | 1978 |
| William Smith (Wakefield) Limited | Agriculture & fishing | 1934 |
| Williby March Limited | Hospitality | 2024 |
| Willow Holdings (Yorkshire) Limited | Financial services | 2024 |
| Wilmoore Automatics Limited | Hospitality | 1998 |
| Wilson and Palmer Limited | Wholesale & retail | 2021 |
| Wilson Energy Assessors Limited | Extraterritorial | 2011 |
| Wilson Retail (Scarborough) Ltd | Hospitality | 2017 |
| Wilson Retail Limited | Wholesale & retail | 2011 |
| Wilson's Food Hall Ltd | Wholesale & retail | 2024 |
| Wilsons Pizzeria Takeaway Ltd | Hospitality | 2026 |
| Windel Investments Ltd | Real estate | 2026 |
| Window Works (Yorkshire) Limited | Construction | 2006 |
| Wineclub Ltd | Wholesale & retail | 2023 |
| Wing Borough Ltd | Hospitality | 2025 |
| Winkfield Aggregates Limited | Transport & logistics | 2024 |
| Winkfield Aggregates Scarborough Ltd | Transport & logistics | 2025 |
| Winkfield Solid Fuel Limited | Wholesale & retail | 2017 |
| Winkler Services HQ Limited | Administrative & support | 2018 |
| Winkler Services Ltd | Professional & scientific | 2024 |
| Winn & Co. (Scarborough) Limited | Extraterritorial | 2012 |
| Wise OWL Brewing Ltd | Manufacturing | 2025 |
| Wise Owls Educational Play Ltd | Education | 2018 |
| WJP Software Limited | Information & communication | 2011 |
| WKF 98 Limited | Manufacturing | 2003 |
| Wold Top Developments (Beverley) Limited | Real estate | 2024 |
| Wolds Way Caravan and Camping Limited | Agriculture & fishing | 2010 |
| Wolftix Limited | Wholesale & retail | 2020 |
| Womhair Ltd | Other services | 2020 |
| Wonderful World Property Limited | Real estate | 2024 |
| Wood Street Management Co (NO 2) Limited | Real estate | 2013 |
| Wooden Optics Ltd | Professional & scientific | 2022 |
| Woodhead Lodges Ltd | Hospitality | 2020 |
| Woodland Paving & Groundwork Limited | Construction | 2008 |
| Woodlands Management (Sleights) Limited | Households | 1999 |
| Woodlands Vale Management Company Limited | Households | 1981 |
| Workhorse Holdings Limited | Real estate | 2021 |
| WPH Lets (Scarborough) Limited | Real estate | 2025 |
| Wrea View Limited | Financial services | 2026 |
| Wrench Green Barns Limited | Real estate | 2025 |
| Wright Pottage Limited | Professional & scientific | 2019 |
| Wtgp Holdings Limited | Financial services | 2021 |
| WTH Rentals Limited | Real estate | 2023 |
| WVS Autocare Ltd | Wholesale & retail | 2015 |
| WVS Performance Limited | Wholesale & retail | 2014 |
| WVS Tuning Ltd | Wholesale & retail | 2024 |
| Wykeham Farms Limited | Agriculture & fishing | 1954 |
| Wykeham Trees Limited | Agriculture & fishing | 1981 |
| Wykeham Trustees Limited | Administrative & support | 1974 |
| Wynbrook Marketing Limited | Professional & scientific | 2011 |
| Xabium Software Solutions Ltd | Professional & scientific | 2025 |
| Xanders (Scarborough) Limited | Hospitality | 2019 |
| Xing Long Scarborough Ltd | Hospitality | 2025 |
| Xiphios Global Private Limited | Administrative & support | 2023 |
| Xobull Limited | Financial services | 2014 |
| Y H Haulage Limited | Transport & logistics | 2020 |
| Yamesk Limited | Real estate | 2013 |
| YAY Coffee Limited | Hospitality | 2015 |
| Yeas/Yesii Ltd | Manufacturing | 2018 |
| YES Store Ltd | Wholesale & retail | 2026 |
| Yeti Roofing Limited | Construction | 2024 |
| YEW Tree Associates Limited | Professional & scientific | 2014 |
| YO Property Group Limited | Real estate | 2023 |
| YO11 Limited | Hospitality | 2020 |
| YO13 Hospitality Limited | Hospitality | 2025 |
| Yonder Investments Limited | Real estate | 2015 |
| Yorbrand Limited | Wholesale & retail | 2017 |
| York Holiday Apartments Limited | Real estate | 2022 |
| York House Printers Ltd | Wholesale & retail | 2024 |
| York House Publishing Ltd | Wholesale & retail | 2022 |
| Yorkshire Bloodline Intelligence Ltd | Professional & scientific | 2026 |
| Yorkshire Care Alliance CIC | Health & social care | 2024 |
| Yorkshire Coast Accounting and Business Advisors Ltd | Professional & scientific | 2024 |
| Yorkshire Coast Building Control Ltd | Construction | 2017 |
| Yorkshire Coast Connections Ltd | Administrative & support | 2025 |
| Yorkshire Coast Engineering Surveys Ltd | Professional & scientific | 2024 |
| Yorkshire Coast Flooring & Blinds Limited | Construction | 2026 |
| Yorkshire Coast Flooring Limited | Construction | 2015 |
| Yorkshire Coast Gigs CIC | Arts & recreation | 2014 |
| Yorkshire Coast Holiday Homes Limited | Hospitality | 2020 |
| Yorkshire Coast Property Management Ltd | Real estate | 2020 |
| Yorkshire Coast Stays Ltd | Real estate | 2021 |
| Yorkshire Coast Windows & Doors Limited | Manufacturing | 2025 |
| Yorkshire Coast Workshops Limited | Real estate | 1989 |
| Yorkshire EAR Care Ltd | Wholesale & retail | 2020 |
| Yorkshire Estates Maintenance Ltd | Agriculture & fishing | 2023 |
| Yorkshire Fencing & Landscaping Ltd | Administrative & support | 2024 |
| Yorkshire Flowers Ltd | Wholesale & retail | 2024 |