| Wilson & Bradley Limited | Construction | 2003 |
| Wilson Brothers Limited | Other services | 2012 |
| Wilson Engineering Services Limited | Professional & scientific | 2020 |
| Wimpole Street Healthcare Ltd | Health & social care | 2011 |
| Windle Engineering Services Ltd | Construction | 2015 |
| Wing WAH Ltd | Hospitality | 2022 |
| Winncare (Northern) Limited | Health & social care | 2019 |
| Winncare 2000 Limited | Health & social care | 2020 |
| Winslow Limited | Wholesale & retail | 1990 |
| Winyards Court Maintenance Company Limited | Real estate | 2017 |
| Witchwood Group Ltd | Wholesale & retail | 2024 |
| Withnell Fisheries Limited | Agriculture & fishing | 2021 |
| WIX Trading Ltd | Wholesale & retail | 2016 |
| WM Quinn Limited | Transport & logistics | 2009 |
| WMS Housing Ltd | Real estate | 2025 |
| Wohconstruction Ltd | Construction | 2024 |
| WOK Star (Horwich) Limited | Hospitality | 2025 |
| WOK This Way Burnley Ltd | Hospitality | 2022 |
| Wood Street Convenience Ltd | Wholesale & retail | 2014 |
| Woodfield Development & Investment Ltd | Real estate | 2024 |
| Woodland Assist Global UK Limited | Administrative & support | 2015 |
| Woodland Assist Logistics Limited | Administrative & support | 2017 |
| Woodlands at Boothman Ltd | Education | 2024 |
| Woodlands Insurance Services Ltd | Financial services | 2014 |
| Workforcetalent Solutions Ltd | Professional & scientific | 2018 |
| Workhause Limited | Real estate | 2025 |
| Workwear Warehouse Limited | Wholesale & retail | 2007 |
| Worldlink Exports & Imports Ltd | Manufacturing | 2005 |
| Worms EYE Limited | Professional & scientific | 2010 |
| Worry Free Car Finder Ltd | Information & communication | 2025 |
| Worsthorne Mini Skips Limited | Water & waste | 2002 |
| Worswick Process Engineering Limited | Manufacturing | 2025 |
| WR GAS and Plumbing Limited | Construction | 2024 |
| Wrap Design (WD) Ltd | Professional & scientific | 2025 |
| Wright Education Partners Ltd | Education | 2026 |
| WS 276 Limited | Hospitality | 2024 |
| WS Coaching & Consultancy Ltd | Professional & scientific | 2026 |
| Wyatt&Jack Limited | Manufacturing | 2010 |
| Xaneliz Ltd | Real estate | 2026 |
| Xapp Distribution Ltd | Wholesale & retail | 2024 |
| XBS GAS Services Ltd | Construction | 2024 |
| XBS Properties Ltd | Real estate | 2025 |
| XEN Accountants Ltd | Professional & scientific | 2016 |
| Xero Technologies Ltd | Manufacturing | 2020 |
| Xiadong Chinese Herbal Medical Company Limited | Health & social care | 2020 |
| Xpert Auto Hire Ltd | Administrative & support | 2018 |
| Xpress Travel Services Ltd | Administrative & support | 2019 |
| Xsonly Limited | Wholesale & retail | 2003 |
| Xtreme Prize Competitions Ltd | Other services | 2019 |
| XYC Acu-Remedy UK Ltd | Health & social care | 2023 |
| Y3 Performance Cars Ltd | Wholesale & retail | 2025 |
| Yaeuk Ltd | Wholesale & retail | 2026 |
| Yasmin HAQ Social Work Consultants Ltd | Health & social care | 2021 |
| Yazn Shawrama Ltd | Hospitality | 2026 |
| YBD Clubs Limited | Hospitality | 2018 |
| Yellow Rose Painting and Decorating Contractors Ltd | Extraterritorial | 2026 |
| Yeoman Aero Ltd | Professional & scientific | 2026 |
| Yeoman Fold Ltd | Households | 2020 |
| YES Online Outlet Ltd | Information & communication | 2020 |
| YH Mart Ltd | Wholesale & retail | 2026 |
| Yield Climate Ltd | Professional & scientific | 2018 |
| YJS NW Limited | Health & social care | 2023 |
| YKH Developments Ltd | Construction | 2018 |
| Yorkshire Distribution & Logistics Holdings Limited | Professional & scientific | 2003 |
| Yorkshire Energi Services Ltd | Other services | 2025 |
| Youds Media Ltd | Information & communication | 2024 |
| Your Life Your Support Limited | Health & social care | 2012 |
| Yourfest Ltd | Arts & recreation | 2025 |
| Yourfootprint Ltd | Wholesale & retail | 2023 |
| Youus Ltd | Health & social care | 2018 |
| YSF Motors Limited | Administrative & support | 2022 |
| YSY Auto Repair Ltd | Wholesale & retail | 2025 |
| Yummy Italia Desserts Ltd | Hospitality | 2026 |
| Yummy Yummy Italia Ltd | Hospitality | 2020 |
| Z & a Motors Ltd | Wholesale & retail | 2021 |
| Z B Builders Limited | Construction | 2014 |
| Z&H Group Ltd | Wholesale & retail | 2021 |
| Z3 Training Club Ltd | Arts & recreation | 2025 |
| ZAC Barker Engineering Ltd | Professional & scientific | 2026 |
| Zain Property Lettings Ltd | Hospitality | 2020 |
| Zaman Property Dealer Ltd | Real estate | 2023 |
| Zamaza Holdings Ltd | Financial services | 2022 |
| ZAP Investments & Property Co Ltd | Construction | 2025 |
| Zara Cafe Burnley Ltd | Hospitality | 2016 |
| Zara Woods Ltd | Professional & scientific | 2018 |
| Zaustworx Limited | Manufacturing | 2022 |
| Zaviyar Iqbal Ltd | Wholesale & retail | 2023 |
| Zavzoner Ltd | Wholesale & retail | 2025 |
| Zayd Property Ltd | Real estate | 2023 |
| Zaylan Resourcing Limited | Administrative & support | 2021 |
| ZEE Healthcare Ltd | Health & social care | 2024 |
| Zellbury Beddings Ltd | Wholesale & retail | 2026 |
| Zellera Legal Technology Limited | Information & communication | 2017 |
| Zenith Wellbeing Ltd | Health & social care | 2025 |
| Zenluxe Bathrooms Ltd | Construction | 2026 |
| Zentrek Supplements Ltd | Wholesale & retail | 2024 |
| Zero Dependency Limited | Manufacturing | 2013 |
| Zest Hospitality Ltd | Administrative & support | 2024 |
| Zesty Blaze Limited | Manufacturing | 2026 |
| Zeta Properties Ltd | Real estate | 2023 |