| West Yorkshire E-Commerce Ltd | Wholesale & retail | 2020 |
| West Yorkshire Electrics Ltd | Construction | 2024 |
| West Yorkshire Theatre Company Limited | Administrative & support | 2025 |
| West Yorkshire Traders Limited | Construction | 2021 |
| West Yorkshire Truck & Van Sales Limited | Wholesale & retail | 2013 |
| Westcliffe Care UK Limited | Health & social care | 2012 |
| Westcliffe Pharma Ltd | Wholesale & retail | 2011 |
| Westfield House Childcare Ltd | Health & social care | 2018 |
| Westgate 3234 Ltd | Real estate | 2023 |
| Westgate Construction (Yorkshire) Limited | Construction | 2023 |
| Westgill Capital Limited | Financial services | 2015 |
| Westland Conversions Limited | Administrative & support | 2025 |
| Westminster Law Sussex Limited | Professional & scientific | 2022 |
| Weston Companies Limited | Professional & scientific | 2025 |
| Wharf ST. Coffee Ltd | Hospitality | 2022 |
| What Crisis Ltd | Professional & scientific | 2015 |
| Wheel of Life Coaching Academy Ltd | Health & social care | 2024 |
| Wheeldon Couriers Ltd | Transport & logistics | 2025 |
| Whingate Properties Ltd | Real estate | 2025 |
| White Label Mgmt Limited | Professional & scientific | 2015 |
| White Rose Campers Limited | Wholesale & retail | 2022 |
| White Rose Clearances Ltd | Water & waste | 2025 |
| Whitefont Limited | Real estate | 2011 |
| Whitehouse at Retford Limited | Hospitality | 2024 |
| Whitehouse Construction Consultancy Ltd | Construction | 2025 |
| Whitehouse Reinforced Concrete Ltd | Construction | 2019 |
| Whitwell Property Limited | Construction | 2020 |
| WHY Axis Consulting Limited | Professional & scientific | 2024 |
| Wicks & Spritz Ltd | Manufacturing | 2026 |
| Wide Service Support Limited | Administrative & support | 2023 |
| Wildman and Bell Limited | Real estate | 2024 |
| Wilham (Nottingham) Limited | Real estate | 2017 |
| Wilham Properties Limited | Real estate | 2003 |
| Will Earl Ltd | Arts & recreation | 2021 |
| William 55 Limited | Administrative & support | 2019 |
| Willsam Limited | Administrative & support | 2012 |
| Willsam Properties Limited | Real estate | 2016 |
| Wilson's Painting and Decorating Limited | Construction | 2018 |
| Wilton UK Holdings Limited | Professional & scientific | 2008 |
| Wilton UK Limited | Real estate | 2004 |
| Windhill Autos Limited | Wholesale & retail | 2025 |
| Windhill Conservative Club Buildings Company Limited(The) | Hospitality | 1914 |
| Windhill Motors Ltd | Wholesale & retail | 2019 |
| Windrush Investments Limited | Real estate | 1964 |
| Winster House Holdings Ltd | Financial services | 2019 |
| Wise Carehomes Limited | Health & social care | 2024 |
| Wodmania Fitness Ltd | Arts & recreation | 2018 |
| Woodgun Holdings Limited | Financial services | 2020 |
| Woodgun Sweeping Ltd | Administrative & support | 2017 |
| Woodhead Sharpes Limited | Real estate | 2001 |
| Woodkirk Reclamation Limited | Construction | 2018 |
| Woodside (Horsforth) Management Company Limited | Households | 2003 |
| Woodville Management Company (Shipley) Limited | Hospitality | 2004 |
| Wool City Media Ltd | Information & communication | 2026 |
| Wool Thinking Limited | Professional & scientific | 2025 |
| Wool Warehouses Limited | Transport & logistics | 1990 |
| Worldwide Warranties Plus Ltd | Health & social care | 2026 |
| Wrapchic (Bradford) Ltd | Hospitality | 2018 |
| Wren Micropub Group Ltd | Hospitality | 2024 |
| Wrose Hair Boutique Limited | Other services | 2022 |
| Wrose Pizza Limited | Hospitality | 2020 |
| Wrose Traders Ltd | Wholesale & retail | 2022 |
| Www.Criminalinjuriesdirect.Co.Uk Limited | Extraterritorial | 2020 |
| Wyles Plumbing Limited | Construction | 2006 |
| Wytc (Hi-De-Hi) Limited | Administrative & support | 2025 |
| Xmementoit Ltd | Information & communication | 2013 |
| XS Hair & Beauty Limited | Other services | 2022 |
| Yardfest Ltd | Arts & recreation | 2026 |
| Yeadon Podiatry & Physiotherapy Centre Ltd | Health & social care | 2015 |
| YEB Enterprises Limited | Hospitality | 2024 |
| Yeia Limited | Real estate | 2023 |
| YNW Analytics Ltd | Information & communication | 2022 |
| Yorkshire & Shipley Stone Sales Limited | Wholesale & retail | 2011 |
| Yorkshire Cleaning & Maintenance Limited | Administrative & support | 2012 |
| Yorkshire Cleaning Ltd | Administrative & support | 2023 |
| Yorkshire Clipping Lass Limited | Other services | 2026 |
| Yorkshire Driveways & Gardens Limited | Administrative & support | 2009 |
| Yorkshire Driveways and Groundworks Limited | Administrative & support | 2023 |
| Yorkshire Driveways Limited | Construction | 2026 |
| Yorkshire Electrical Services (Contracting) Limited | Construction | 2004 |
| Yorkshire Ellite Chauffers Ltd | Transport & logistics | 2024 |
| Yorkshire Environmental Services Limited | Administrative & support | 2012 |
| Yorkshire Ethos Ltd | Wholesale & retail | 2021 |
| Yorkshire Eyecare Limited | Health & social care | 2009 |
| Yorkshire Fire and Security Ltd | Administrative & support | 2025 |
| Yorkshire GIN Limited | Manufacturing | 2018 |
| Yorkshire Lifts Ltd | Manufacturing | 2008 |
| Yorkshire Logs Limited | Wholesale & retail | 2024 |
| Yorkshire Outdoor Cleaning Limited | Administrative & support | 2021 |
| Yorkshire PIE Bakery Limited | Manufacturing | 2017 |
| Yorkshire Property Services (Bingley) Limited | Households | 2024 |
| Yorkshire Puddings Ltd | Hospitality | 2025 |
| Yorkshire Roofline Installations Limited | Construction | 2021 |
| Yorkshire Secure Storage Ltd | Transport & logistics | 2025 |
| Yorvik Marine Ltd | Wholesale & retail | 2013 |
| YOU First Coaching Ltd | Health & social care | 2020 |
| Your Build Yorkshire Ltd | Construction | 2024 |
| Your Business Voice Limited | Administrative & support | 1999 |
| Your New Smile Limited | Health & social care | 2017 |
| Your Properties (Yorkshire) Ltd | Real estate | 2025 |