| Wintons Blinds (South Yorkshire) Limited | Wholesale & retail | 2018 |
| Wintons Interiors Ltd | Wholesale & retail | 2023 |
| Wintons Property Investments Ltd | Real estate | 2023 |
| Winwin Estates Limited | Real estate | 2017 |
| Wipguard Ltd | Information & communication | 2025 |
| WIQ Consulting Ltd | Financial services | 2023 |
| Wirral Detailing Services Ltd | Other services | 2012 |
| Wisdom Care Ltd | Health & social care | 2022 |
| Wisdom Tentaculum Limited | Real estate | 2024 |
| Wisdoms Tuition Centre Limited | Education | 2024 |
| Wise Handling Limited | Manufacturing | 1976 |
| Wise Windows Yorkshire Ltd | Construction | 2025 |
| Wiselect Limited | Professional & scientific | 2025 |
| Wishbone TAP Limited | Wholesale & retail | 2022 |
| Wisteria Properties Ltd | Real estate | 2019 |
| Withlove Care Limited | Administrative & support | 2022 |
| Witho Services Ltd | Information & communication | 2026 |
| Witt (UK) Limited | Wholesale & retail | 2002 |
| Wizard Khan Limited | Transport & logistics | 2024 |
| Wizz Global Ltd | Transport & logistics | 2025 |
| WJK Fambis Ltd | Transport & logistics | 2024 |
| WJN Holdings Partnership LLP | | 2021 |
| WK Star Services Limited | Transport & logistics | 2025 |
| WKM Consultants Ltd | Professional & scientific | 2026 |
| WKO Solution Limited | Water & waste | 2024 |
| WLM Cars Ltd | Wholesale & retail | 2025 |
| WM & Sons Limited | Wholesale & retail | 2025 |
| WM Morrison at Source Limited | Professional & scientific | 2018 |
| WM Morrison Bananas Limited | Manufacturing | 2013 |
| WM Morrison GP 1 Limited | Administrative & support | 2014 |
| WM Morrison GP 2 Limited | Administrative & support | 2014 |
| WM Morrison GP 3 Limited | Administrative & support | 2014 |
| WM Morrison Hospitality Limited | Hospitality | 2011 |
| WM Morrison LP 1 Limited | Administrative & support | 2014 |
| WM Morrison LP 2 Limited | Administrative & support | 2014 |
| WM Morrison LP 3 Limited | Administrative & support | 2014 |
| WM Morrison Nominee 1 Limited | Administrative & support | 2014 |
| WM Morrison Nominee 2 Limited | Administrative & support | 2014 |
| WM Morrison Nominee 3 Limited | Administrative & support | 2014 |
| WM Morrison Pension Trustee Limited | Financial services | 2006 |
| WM Morrison Produce Limited | Manufacturing | 1963 |
| WM Morrison Property Partnership 1 Limited Partnership | | 2014 |
| WM Morrison Property Partnership 2 Limited Partnership | | 2014 |
| WM Morrison Property Partnership 3 Limited Partnership | | 2014 |
| WM Morrison Supermarket Stores Ltd | Professional & scientific | 2011 |
| WM Morrison Supermarkets Holdings Limited | Wholesale & retail | 2017 |
| WM Morrison Supermarkets Limited | Wholesale & retail | 1940 |
| WM Property Group Ltd | Construction | 2019 |
| WMA Trading Ltd | Wholesale & retail | 2026 |
| WMB Wholesale Limited | Wholesale & retail | 2025 |
| Wmmc Service Charge Limited | Real estate | 2021 |
| WN Car Sales Ltd | Wholesale & retail | 2024 |
| Wobbu Group Limited | Information & communication | 2024 |
| Woffenden Watt Limited | Other services | 2022 |
| Wolf Consulting Ltd | Professional & scientific | 2025 |
| Wolf Mart Ltd | Wholesale & retail | 2025 |
| Wolfcub Digital Ltd | Information & communication | 2013 |
| Wolfmarket Ltd | Wholesale & retail | 2022 |
| Women of Fortitude CIC | Administrative & support | 2023 |
| Women's Business Circle CIC | Education | 2025 |
| Womersley & Peacock Ltd | Construction | 2024 |
| Wondercub Limited | Wholesale & retail | 2026 |
| Wondro Ltd | Wholesale & retail | 2023 |
| Wong of Horses Galloping Ltd | Hospitality | 2023 |
| Wood and Bespoke Ltd | Manufacturing | 2026 |
| Wood for ALL UK Ltd | Manufacturing | 2024 |
| Wood Lodge Estates Ltd | Real estate | 2024 |
| Woodcointeriors Limited | Wholesale & retail | 2024 |
| Woodhall Care Services Ltd | Health & social care | 2014 |
| Woodhall Cars Ltd | Wholesale & retail | 2022 |
| Woodhall LS13 Ltd | Wholesale & retail | 2026 |
| Woodhall Solicitors Ltd | Professional & scientific | 2018 |
| Woodhill Consulting Limited | Professional & scientific | 2023 |
| Woodhouse Buddy Ltd | Hospitality | 2025 |
| Woodhouse Enterprises Ltd | Hospitality | 2024 |
| Woodland Foods Limited | Hospitality | 2025 |
| Woodland Lighting Ltd | Manufacturing | 2018 |
| Woodland Whisperers Dog Training Ltd | Other services | 2021 |
| Woodlands Glazing Ltd | Manufacturing | 2025 |
| Woodlands Hotel (Oakenshaw) Ltd | Hospitality | 2016 |
| Woodlands Joinery Ltd | Manufacturing | 2020 |
| Woodlands Walk Management Limited | Households | 1994 |
| WOODMAN2024 Ltd | Hospitality | 2024 |
| Woodroyd Management Ltd | Households | 2024 |
| Woodstock Auditing Limited | Professional & scientific | 2003 |
| Woodstone Consulting Ltd | Information & communication | 2024 |
| Woodstone Joinery Ltd | Construction | 2025 |
| Woodview Resources Limited | Households | 2021 |
| Woodward Care Services Ltd | Real estate | 2024 |
| Woody Joe's (BFD) Ltd | Extraterritorial | 2025 |
| Woody Joe's (GHR) Ltd | Hospitality | 2026 |
| Woody's Cafe Ltd | Hospitality | 2018 |
| Woodystopodd Ltd | Hospitality | 2025 |
| Woofandreadystuddogs Ltd | Agriculture & fishing | 2020 |
| Woofpanion Limited | Wholesale & retail | 2025 |
| Wooger Ltd | Wholesale & retail | 2025 |
| Wool Capital Landmarks Ltd | Construction | 2025 |
| Wool Exchange Trading Ltd | Wholesale & retail | 2026 |
| Wool Growers (Great Britain) Limited | Professional & scientific | 1959 |
| Woolbro (Distribution) Limited | Wholesale & retail | 1994 |