| Wallis Road Motor Company Ltd | Wholesale & retail | 2022 |
| WALLS4GARDENS Ltd | Construction | 2021 |
| Walrus Technical Solutions Limited | Other services | 2018 |
| Walsall Green Hydrogen Limited | Manufacturing | 2024 |
| Waltek Ltd | Construction | 2026 |
| Waltino Ltd | Information & communication | 2025 |
| Walton Avenue Consultants Limited | Professional & scientific | 2025 |
| Walton View Hotel Limited | Hospitality | 2024 |
| Walworth Birds of Prey Ltd | Other services | 2013 |
| Wander Films Limited | Information & communication | 2018 |
| Wander Limited | Professional & scientific | 2021 |
| Wanhar Traders Ltd | Wholesale & retail | 2025 |
| Ward Bros (Malton) Limited | Transport & logistics | 2000 |
| Ward Digital Marketing Services Ltd | Information & communication | 2025 |
| Ward Safety Ltd | Public administration | 2022 |
| Ward Woolston Plant Hire Limited | Transport & logistics | 2015 |
| Warm Home Insulation Ltd | Construction | 2022 |
| Warm Homes Britain Ltd | Financial services | 2019 |
| Warmatic Limited | Professional & scientific | 2020 |
| Warrenby Developments Limited | Construction | 2015 |
| Warren’S Engineering North East Ltd | Construction | 2019 |
| Warri Progressive S (Otonloye) UK Branch Ltd | Education | 2024 |
| Warriner Quality & Inspection Services Ltd | Professional & scientific | 2024 |
| WAS FAT Group Ltd | Wholesale & retail | 2024 |
| Wash N WAG Group Ltd | Other services | 2025 |
| Waste Clearance Services (NE) Ltd | Water & waste | 2021 |
| Waste Knot Energy (Finance) Ltd | Financial services | 2019 |
| Waste Knot Energy (Holding) Limited | Financial services | 2019 |
| Watchflight Limited | Other services | 2003 |
| Waterside Consultants Ltd | Information & communication | 2024 |
| Waterside Holiday Lodges Ltd | Hospitality | 2021 |
| Watfit Limited | Arts & recreation | 2024 |
| Watkins Wright (Kirkbymoorside) Limited | Other services | 2014 |
| Watson Law Group Limited | Financial services | 2024 |
| Watson Woodhouse Limited | Professional & scientific | 2017 |
| Watson Woodhouse Solicitors LLP | | 2013 |
| Watts N Co Limited | Wholesale & retail | 2016 |
| Watts Safety Solutions Ltd | Administrative & support | 2025 |
| Waymaker Communications Ltd | Professional & scientific | 2024 |
| Waymaker Creative Ltd | Professional & scientific | 2024 |
| Waymid Electrics Ltd | Construction | 2009 |
| Wayne Hughes Offshore Ltd | Professional & scientific | 2017 |
| Wayward Creations Ltd | Information & communication | 2014 |
| WB Construction Ltd | Construction | 2010 |
| WB Engineering Services Limited | Construction | 2024 |
| WBS Developers Limited | Real estate | 2019 |
| WCS Fire & Security Limited | Administrative & support | 2017 |
| WCS Interiors Limited | Construction | 2019 |
| Wctn Solutions Ltd | Manufacturing | 2024 |
| WE ARE Myrias Limited | Information & communication | 2016 |
| WE ARE Secured Limited | Administrative & support | 2019 |
| WE ARE Standout Limited | Administrative & support | 2024 |
| WE Buy ANY Premises Ltd | Construction | 2017 |
| WE Deliver to YOU Ltd | Other services | 2016 |
| We.Kmyc Ltd | Wholesale & retail | 2024 |
| Weally's Taxis and Minibuses Limited | Transport & logistics | 2016 |
| Wear Business Limited | Extraterritorial | 2019 |
| Wearox Ltd | Wholesale & retail | 2026 |
| Wearside Homes Ltd | Real estate | 2025 |
| Web One Developments Ltd | Information & communication | 2010 |
| Web Pro Coder Limited | Information & communication | 2017 |
| Wednesday Investments (NE) Limited | Other services | 2021 |
| Welcome Vending Ltd | Administrative & support | 2015 |
| Welfare State Limited | Public administration | 2012 |
| Welgrove Construction Limited | Construction | 2010 |
| Well Placed Limited | Professional & scientific | 2016 |
| Wellbeing Rentals Ltd | Real estate | 2021 |
| Wellington Garage (1959) Limited | Wholesale & retail | 2013 |
| Wells CRS Ltd | Construction | 2019 |
| Wendy Gallagher TC Limited | Administrative & support | 2019 |
| Wenola Limited | Administrative & support | 2020 |
| Wentworth Fire & Security Ltd | Administrative & support | 2025 |
| Wentworth Property (NE) Ltd | Real estate | 2024 |
| Wentworth Security & Fire Protection Ltd | Construction | 2021 |
| Wepaint (NE) Ltd | Manufacturing | 2022 |
| Weschenfelder Direct Limited | Manufacturing | 2013 |
| West One Safety Limited | Other services | 2014 |
| West ST Services Limited | Professional & scientific | 2022 |
| Westbeck Ltd | Professional & scientific | 2024 |
| Westbrook Cycles Limited | Wholesale & retail | 2009 |
| Westbrooke Limited | Real estate | 2019 |
| Westfell Commercial Ltd | Professional & scientific | 2026 |
| Westholme Commercial Services Limited | Professional & scientific | 2007 |
| Westmoor Cars Limited | Wholesale & retail | 2012 |
| Westwood Avenue Ltd | Construction | 2025 |
| Wetherell Offshore Services Ltd | Construction | 2019 |
| WH Consultants Ltd | Wholesale & retail | 2019 |
| Whale Hill Estate Community Association Limited | Administrative & support | 2002 |
| Wheater and Wise Holdings Limited | Arts & recreation | 2023 |
| Wheats Rail & Civils Services Ltd | Construction | 2025 |
| Wheelchair Vehicles Ltd | Wholesale & retail | 2024 |
| Wheelsdirect Ltd | Wholesale & retail | 2026 |
| When in Yorkshire Ltd | Wholesale & retail | 2019 |
| White Pill Ltd | Wholesale & retail | 2017 |
| White Rook Engineering Ltd | Professional & scientific | 2017 |
| Whitehead Medical Services Limited | Health & social care | 2019 |
| Whites Estate Agents (NE) Ltd | Real estate | 2023 |
| Whitestone Car & Commercial Limited Limited | Wholesale & retail | 2026 |
| Whizz Chips Ltd | Administrative & support | 2018 |
| Whyte Linton Limited | Manufacturing | 2025 |