| Wharfedale Commercial Services Limited | Administrative & support | 2019 |
| Wharncliffe Grove Ltd | Real estate | 2018 |
| Wharncliffe View Management Company Limited | Households | 2021 |
| What Counts Limited | Hospitality | 2025 |
| Whatley & SON Ltd | Transport & logistics | 2025 |
| Whatwhywhen Limited | Information & communication | 2020 |
| Wheat Properties Ltd | Real estate | 2022 |
| Wheatecliffe Limited | Health & social care | 2013 |
| Wheatley Construction Services Limited | Professional & scientific | 2022 |
| Wheel Inn 1980 Ltd | Hospitality | 2019 |
| Wheel Lane Properties Limited | Real estate | 2021 |
| Wheel-Tec Limited | Manufacturing | 2018 |
| Wheelersmart Ltd | Wholesale & retail | 2026 |
| Wheelie Chocolate Limited | Manufacturing | 2026 |
| Wheelie Clean South Yorkshire Limited | Other services | 2017 |
| Wheelton Top Lock Ltd | Hospitality | 2025 |
| Wheeltopia Ltd | Wholesale & retail | 2026 |
| Wheldale Heights Health Care Limited | Health & social care | 2022 |
| Whinfell Activities Centre Limited | Arts & recreation | 1981 |
| Whinfell Court Limited | Households | 2002 |
| Whinmoor Land Ltd | Real estate | 2018 |
| Whip Kelham Ltd | Hospitality | 2020 |
| Whirlow Capital Investments Ltd | Construction | 2018 |
| Whirlow Dental UK Limited | Health & social care | 2023 |
| Whirlow Energy Solutions Ltd | Wholesale & retail | 2019 |
| Whirlow Grange Limited | Other services | 1988 |
| Whirlow Hall Farm Limited | Wholesale & retail | 1979 |
| Whirlow Hall Farm Trust Limited | Agriculture & fishing | 1979 |
| Whirlow House Limited | Professional & scientific | 2024 |
| Whirlow Motor Co Ltd | Wholesale & retail | 2021 |
| Whirlow Park Ltd | Manufacturing | 2019 |
| Whirlow Paving Ltd | Construction | 2022 |
| Whirlow Ventures Limited | Extraterritorial | 2013 |
| Whirlowdale 1978 Limited | Extraterritorial | 2013 |
| Whirlowdale 1981 Limited | Extraterritorial | 2013 |
| Whirlowdale Care Group Ltd | Health & social care | 2025 |
| Whiskey (Bidco) Limited | Financial services | 2017 |
| Whiskey (Topco) Limited | Financial services | 2017 |
| Whisper Wave Ltd | Wholesale & retail | 2023 |
| Whiston Corporate Services Limited | Professional & scientific | 2005 |
| Whiston Electrical Services Limited | Information & communication | 2013 |
| Whiston Properties Limited | Real estate | 2002 |
| Whitaker Bespoke at Home Limited | Hospitality | 2015 |
| Whitaker Offshore Ltd | Construction | 2015 |
| Whitaker Property Investments Ltd | Real estate | 2022 |
| Whitby & Chandler Limited | Manufacturing | 1923 |
| Whitby Premier Lodge Ltd | Hospitality | 2017 |
| White & Co. Property Advisory Limited | Other services | 2013 |
| White and Red Ltd | Hospitality | 2018 |
| White Bear Enterprise Ltd | Hospitality | 2023 |
| White Box / Black Box Limited | Arts & recreation | 2009 |
| White Cactus Limited | Professional & scientific | 2015 |
| White Coral Ltd | Wholesale & retail | 2025 |
| White Design (UK) Limited | Professional & scientific | 2004 |
| White Distribution Limited | Transport & logistics | 2009 |
| White Eagle Operational Solutions Limited | Professional & scientific | 2026 |
| White FOX Security Ltd | Administrative & support | 2023 |
| White Fuse Ltd | Information & communication | 2008 |
| White Guard Ltd | Wholesale & retail | 2016 |
| White Hart Property Services Limited | Real estate | 2023 |
| White Island Management Limited | Professional & scientific | 2003 |
| White Lane Service Station Limited | Administrative & support | 2004 |
| White Line Limos Ltd | Transport & logistics | 2020 |
| White Lion Medical Ltd | Health & social care | 2017 |
| White Pearl Estate Ltd | Real estate | 2009 |
| White Phoenix Digital Solutions Ltd | Information & communication | 2021 |
| White Rails Ltd | Real estate | 2018 |
| White Red Eagle C.I.C. | Health & social care | 2024 |
| White Rhino Design Services Ltd | Professional & scientific | 2022 |
| White Rose Brewery Limited | Manufacturing | 2007 |
| White Rose Dyslexia Association Limited | Other services | 2017 |
| White Rose Dyslexia Centre Limited | Education | 2009 |
| White Rose Foods Ltd | Wholesale & retail | 2026 |
| White Rose Homes Ltd. | Construction | 2013 |
| White Rose Immigration Services Limited | Professional & scientific | 2024 |
| White Rose Services (U.K.) Ltd | Construction | 1997 |
| White Rose Traders Ltd | Wholesale & retail | 2014 |
| White Rose Visas Ltd | Professional & scientific | 2011 |
| White Spring Company Limited | Information & communication | 2002 |
| White Structural Ltd | Construction | 2008 |
| White Teeth 1998 Limited | Information & communication | 2024 |
| White Whale Music Ltd | Administrative & support | 2003 |
| White Willow Investments Limited | Real estate | 2017 |
| Whitecrest Holdings Limited | Financial services | 2026 |
| Whitecurr Developments Ltd | Real estate | 2025 |
| Whitehall Financial Planning Limited | Financial services | 2002 |
| Whitehead & Booth Design Ltd | Wholesale & retail | 2022 |
| Whitehead & Booth Limited | Other services | 2019 |
| Whitehead Delivery Solultions Limited | Transport & logistics | 2024 |
| Whiteheads Waste Management Ltd | Water & waste | 2017 |
| Whitehorne Commercial Solutions Ltd | Financial services | 2025 |
| Whitehorne Estate Agents Limited | Administrative & support | 2007 |
| Whitehorne Holdings Limited | Real estate | 2018 |
| Whitehorne Letting Agents Limited | Administrative & support | 2007 |
| Whitehouse Rentals Ltd | Real estate | 2025 |
| Whiteley Lifting & Engineering Services Limited | Professional & scientific | 1993 |
| Whiteley Quarters Management Company Limited | Hospitality | 2019 |
| Whiteley Quarters Property Limited | Real estate | 2023 |
| Whiteley Wood House Management Limited | Households | 2005 |
| Whiteley Woods Investments Limited | Professional & scientific | 2021 |