| Webbentertainments Ltd | Hospitality | 2025 |
| Webbysproperties Ltd | Real estate | 2025 |
| Webs Services Ltd | Wholesale & retail | 2013 |
| Webster’S Waste Management Ltd | Water & waste | 2025 |
| WEC Retail Limited | Wholesale & retail | 2025 |
| Weigh-Ted Pets Limited | Professional & scientific | 2025 |
| WEL Group Limited | Administrative & support | 2024 |
| Welchco Ltd | Information & communication | 2020 |
| Welcome Dragon Limited | Hospitality | 2022 |
| Welding Alloys Group Limited | Manufacturing | 2013 |
| Welding Alloys Limited | Manufacturing | 1964 |
| Welding Equipment and Cutting Services Limited | Manufacturing | 1995 |
| Welfare Centre Ltd | Construction | 2024 |
| Welfare Repair Limited | Manufacturing | 2021 |
| Well Gardens Flats Limited | Households | 2019 |
| Well Rooted Search Ltd | Administrative & support | 2026 |
| Well-Managed World C.I.C. | Wholesale & retail | 2015 |
| Wellgate Convenience Stores Ltd | Hospitality | 2014 |
| Wellgate Off-Licence Ltd | Wholesale & retail | 2026 |
| Wellgate Super Store Limited | Wholesale & retail | 2018 |
| Wellgood PT Ltd | Other services | 2024 |
| Wells Education Associates Limited | Professional & scientific | 2021 |
| Welly’S Customs Ltd | Wholesale & retail | 2025 |
| Wemadethis Music Ltd | Information & communication | 2026 |
| Wentworth Arts, Crafts and Antiques Limited | Wholesale & retail | 1999 |
| Wentworth Contracts Ltd | Wholesale & retail | 2013 |
| Wentworth Garden Centre Limited | Extraterritorial | 2017 |
| Wentworth Park Shoot Limited | Arts & recreation | 2018 |
| Wentworth Village Shop Ltd | Wholesale & retail | 2024 |
| Wentworth Woodhouse Preservation Trust | Arts & recreation | 2013 |
| Wentworth Woodhouse Trading Limited | Arts & recreation | 2017 |
| Wesley Contractors Ltd | Construction | 2024 |
| Wesley Slack Services Ltd | Construction | 2013 |
| Wessex Engineering Consultants Limited | Professional & scientific | 2011 |
| West Fuel Systems Ltd | Construction | 2018 |
| West Kensington Limited | Real estate | 2011 |
| West Riding Heritage Project C.I.C. | Health & social care | 2025 |
| West Siphonics (Holdings) Ltd | Financial services | 2023 |
| West Street S70 Ltd | Real estate | 2026 |
| West Yorkshire Transport Ltd | Transport & logistics | 2025 |
| Westart in the Community CIC | Administrative & support | 2020 |
| Western Goods Ltd | Real estate | 2021 |
| Western House Consulting Rooms Limited | Real estate | 2008 |
| Westfield Care Limited | Health & social care | 2012 |
| Westfield Electrical Yorkshire Limited | Construction | 2020 |
| Westfield Residents Association Limited | Households | 2023 |
| Westgate Auto Repairs Ltd | Wholesale & retail | 2024 |
| Westgate Food Ltd | Hospitality | 2024 |
| Westgate Rotherham Security Limited | Administrative & support | 2022 |
| Westgate Taverns Ltd | Hospitality | 2013 |
| Westmor Civils Ltd | Construction | 2022 |
| Weston Elloughton Limited | Real estate | 2011 |
| Westview Building and Construction Limited | Administrative & support | 2013 |
| Westvilla (MPS) Limited | Health & social care | 2008 |
| Westwood Carpentry & Building Ltd | Construction | 2018 |
| Westwoods (Northern) Ltd | Construction | 2021 |
| Westworld Advisers Ltd | Information & communication | 2025 |
| Wetherby Property Group Ltd | Real estate | 2018 |
| Wetlands Animal Park Limited | Arts & recreation | 2002 |
| Wetrooms Design Ltd. | Wholesale & retail | 2014 |
| WF Flooring Ltd | Construction | 2017 |
| Wfll Limited | Transport & logistics | 2019 |
| WH Malik Limited | Health & social care | 2024 |
| WH Vapes Ltd | Wholesale & retail | 2024 |
| Wh&C Limited | Real estate | 2010 |
| Whatdancooked Ltd | Hospitality | 2025 |
| WHEATSHEAVE2021 Ltd | Hospitality | 2021 |
| Wheel Sets (UK) Limited | Professional & scientific | 2007 |
| Wheelhouse Mineral & Feeds Ltd | Agriculture & fishing | 2013 |
| Wheelhouse Motors Limited | Wholesale & retail | 2026 |
| When Women Pray Sheffield CIC | Health & social care | 2026 |
| Whibebo Ltd | Information & communication | 2013 |
| Whinfrey Briggs Limited | Professional & scientific | 2022 |
| Whinfrey Holdings Ltd | Real estate | 2018 |
| Whired Limited | Information & communication | 2015 |
| Whirlow Estates Limited | Financial services | 2016 |
| Whirlow Investments Limited | Financial services | 2016 |
| Whistler Limited | Wholesale & retail | 1996 |
| Whiston Cards Gifts & Flowers Limited | Wholesale & retail | 2001 |
| Whiston Healthcare UK Ltd | Professional & scientific | 2015 |
| Whiston Parish Church Cricket Club Ltd | Hospitality | 2021 |
| Whiston Property Management LLP | | 2026 |
| White H Estates Ltd | Real estate | 2015 |
| White Lion S24 Ltd | Hospitality | 2024 |
| White Print Ltd | Manufacturing | 2024 |
| White Rose Construction & Consultancy Ltd | Construction | 2026 |
| White Rose Fascia and Guttering Ltd. | Construction | 2025 |
| White Space Lettings Ltd | Real estate | 2022 |
| White Star Consulting Ltd | Information & communication | 2019 |
| White Swan Estates Limited | Financial services | 2019 |
| White Woods Primary Academy Trust | Education | 2013 |
| Whitepeak Capital Limited | Financial services | 2016 |
| Whitestone Joinery and Building Services Limited | Construction | 2014 |
| Whitham Investments Ltd | Real estate | 2024 |
| Whitstabubble Consulting Ltd | Professional & scientific | 2024 |
| Whittlebird UK Limited | Wholesale & retail | 2021 |
| Wholesale Clearance Outlet Ltd | Wholesale & retail | 2025 |
| Wholeteck Ltd | Wholesale & retail | 2025 |
| WHY the Long Face? Limited | Information & communication | 2019 |
| Whyman Capital Ltd | Professional & scientific | 2024 |