| Wards Plasterers Limited | Construction | 2011 |
| Wards Property Management Ltd | Real estate | 2009 |
| Wards Property Solutions Ltd | Administrative & support | 2016 |
| Warehouse Anything Ltd | Wholesale & retail | 2023 |
| Waris Holdings Group Limited | Professional & scientific | 2025 |
| Warmnest Heating Services Limited | Construction | 2025 |
| Warrant Road Development Limited | Construction | 2019 |
| Warren and Broadhurst Bespoke Interiors Ltd | Construction | 2017 |
| Warren's Superstore Ltd | Wholesale & retail | 2021 |
| Warwick Holdings Limited | Professional & scientific | 1995 |
| Warwicks Funfairs Ltd | Arts & recreation | 2025 |
| Waryam Enterprises Limited | Wholesale & retail | 2022 |
| Wasakha SR Limited | Administrative & support | 2024 |
| Washed and Pressed (Cannock) Limited | Other services | 2026 |
| Washington Consultancy Services Ltd | Professional & scientific | 2021 |
| Wass Mechanical Services Ltd | Construction | 2022 |
| Water for Africa | Water & waste | 2005 |
| Water Plus Group Limited | Professional & scientific | 2016 |
| Water Plus Limited | Water & waste | 2001 |
| Water Plus Select Limited | Water & waste | 1998 |
| Waterjet Stoke Limited | Professional & scientific | 2013 |
| Waterloo Electronics Limited | Wholesale & retail | 2020 |
| Watermint Building Services Limited | Construction | 2008 |
| Waterway Images Ltd | Professional & scientific | 2000 |
| Waterworld Leisure Group Limited | Professional & scientific | 2012 |
| Watsons Family Ltd | Real estate | 2012 |
| Wattspack Limited | Wholesale & retail | 2025 |
| Wavemaker Education Limited | Information & communication | 2026 |
| Way of Millionaire Ltd | Information & communication | 2025 |
| Wayne Barsby Events Ltd | Other services | 2022 |
| Wayne One Wheels Limited | Transport & logistics | 2025 |
| Wayne Walker Holdings Limited | Real estate | 2015 |
| Wayne Walker Quality Meats Limited | Wholesale & retail | 2012 |
| Wayte Bros.Limited | Administrative & support | 1958 |
| WB Technologies Ltd | Wholesale & retail | 2025 |
| Wb-Coach Ltd | Education | 2023 |
| WC Civils & Surfacing Ltd | Construction | 2025 |
| WCC Mechanical & Fabrication Services Ltd | Construction | 2023 |
| WD Bespoke Solutions Limited | Professional & scientific | 2024 |
| Wdps Stoke Ltd | Construction | 2020 |
| WE ARE Gabba Ltd | Professional & scientific | 2019 |
| WE ARE Kudos Limited | Professional & scientific | 2019 |
| WE Clear Homes Ltd | Water & waste | 2025 |
| WE Colour IT ALL Ltd | Construction | 2023 |
| WE Properties Limited | Real estate | 2008 |
| WE RENOV8 Property Solutions Ltd | Construction | 2024 |
| WE Rent Home Ltd | Real estate | 2020 |
| WE Talk Care Ltd | Information & communication | 2024 |
| Weaver Building & Joinery Ltd | Construction | 2021 |
| Weaver Haulage Limited | Transport & logistics | 2015 |
| Weaver Hire Ltd | Administrative & support | 2019 |
| Web Expressions Limited | Information & communication | 2011 |
| Web Pixel Community CIC | Information & communication | 2024 |
| Web Pixel Ltd | Information & communication | 2020 |
| WEB3 Content Limited | Information & communication | 2024 |
| Webb Social Ltd | Professional & scientific | 2021 |
| Webcome London Ltd | Information & communication | 2020 |
| Webhaarath Ltd | Wholesale & retail | 2026 |
| Wecheshire Ltd | Wholesale & retail | 2018 |
| Wedding Cars Stoke Ltd | Transport & logistics | 2023 |
| Weddit Ltd | Information & communication | 2020 |
| Wedgewood Brokers Ltd | Financial services | 2026 |
| Wedgewood Sports Ltd | Arts & recreation | 2026 |
| Wedgewood Steel Buildings Ltd | Construction | 2022 |
| Wedgwood Homes Limited | Extraterritorial | 2021 |
| Wedgwood Residential Ltd | Real estate | 2024 |
| Wednesbury Commercials Ltd | Construction | 2008 |
| Weird Woods Ltd | Information & communication | 2024 |
| Welbike UK Limited | Manufacturing | 2010 |
| Welcome Property Management Limited | Real estate | 2014 |
| Welfare Onsite Services Limited | Administrative & support | 2021 |
| Welfare Vans Limited | Administrative & support | 2017 |
| Well Dogs Hydrotherapy Ltd | Professional & scientific | 2022 |
| Well Factor Ltd | Wholesale & retail | 2024 |
| Wellesley Street Management Limited | Real estate | 2005 |
| Wellfield Group Holdings Ltd | Financial services | 2021 |
| Wellness Retreats Spain Ltd | Health & social care | 2023 |
| Wellwana Ltd | Health & social care | 2025 |
| Welsha Roofers & Builders Limited | Construction | 2020 |
| Wemakemade Limited | Professional & scientific | 2024 |
| Wemovers Logistics Ltd | Transport & logistics | 2018 |
| WEN Brothers Property Investments Limited | Real estate | 2018 |
| Wendy Miller Coaching for Children CIC | Education | 2024 |
| Wentworth Booking Agency Limited | Administrative & support | 2018 |
| Werrington Barbers Ltd | Other services | 2025 |
| Werrington Garden Limited | Hospitality | 2024 |
| Weselluk Ltd | Wholesale & retail | 2021 |
| Wesley's Vehicle Body Repair Ltd | Wholesale & retail | 2026 |
| West Bay Projects Ltd | Real estate | 2000 |
| West END Real Estate Limited | Real estate | 2024 |
| West Flex Solutions Ltd | Administrative & support | 2024 |
| West Midlands Concrete Pumping Ltd | Construction | 2016 |
| West Sunrise Trading Ltd | Wholesale & retail | 2026 |
| Westart Apiaries Ltd | Agriculture & fishing | 2026 |
| Western Energy Solutions Ltd | Construction | 2021 |
| Westgate Executive Chauffeurs Ltd | Transport & logistics | 2022 |
| Westholme Capital Investments Ltd | Construction | 2026 |
| Westhouse IT Limited | Information & communication | 2011 |
| Westland Carwash Ltd | Administrative & support | 2023 |
| Westlands Car Sales Limited | Wholesale & retail | 2019 |