| Watkins & Judge Ltd | Real estate | 2026 |
| Watton Recruitment Ltd | Administrative & support | 2014 |
| Watton Stores Ltd | Wholesale & retail | 2022 |
| Wavendon (Milton Keynes) Management Company Limited | Households | 2017 |
| Waverley Equestrian LLP | | 2025 |
| Waypoint Aviation Limited | Education | 2017 |
| WBC Electrical Ltd | Construction | 2024 |
| WBC Merchandise Europe Ltd | Wholesale & retail | 2006 |
| WBC Property Developments Ltd | Real estate | 2024 |
| WCS2020 Ltd | Wholesale & retail | 2020 |
| WDL Decorators Ltd | Construction | 2024 |
| Wductwork Ltd | Construction | 2025 |
| WE ARE Memorable Limited | Information & communication | 2024 |
| WE ARE Your IT Limited | Information & communication | 2016 |
| WE CAN Creative Ltd | Professional & scientific | 2012 |
| WE Clean Solution Ltd | Construction | 2020 |
| WE FIX Bedfordshire Ltd | Other services | 2023 |
| Weal - Architects Limited | Professional & scientific | 2015 |
| Wealth Capital Holdings FHH Limited | Administrative & support | 2018 |
| Weather Shield Roofing and Property Maintenance Ltd | Construction | 2025 |
| Weaving Conversation Ltd | Wholesale & retail | 2025 |
| Web Branders Limited | Information & communication | 2023 |
| Web-Ideas.Com Limited | Information & communication | 2000 |
| WEB3 Insights Talent Limited | Administrative & support | 2025 |
| Weberbus Limited | Transport & logistics | 2017 |
| Websyt Ltd | Professional & scientific | 2023 |
| Wedosocial Ltd | Other services | 2022 |
| WEE Lift Ltd | Construction | 2022 |
| Weee Environmental Ltd | Water & waste | 2025 |
| Weee Stop Limited | Extraterritorial | 2013 |
| Weir IT Services Limited | Information & communication | 2009 |
| Wekir Recruitment Ltd | Administrative & support | 2021 |
| Welbeck Law Ltd | Professional & scientific | 2023 |
| Welcome Events Ltd | Other services | 2013 |
| Weldco Engineering Services Ltd | Professional & scientific | 2022 |
| Weldfusion Limited | Manufacturing | 2007 |
| Weldon Brewery Ltd | Manufacturing | 2020 |
| WELL3 Limited | Professional & scientific | 2023 |
| Wellbeing Media Ltd | Other services | 2023 |
| Wellington Farm Enterprises Limited | Agriculture & fishing | 1995 |
| Wellness Alkaline Limited | Wholesale & retail | 2020 |
| Wellness Room Ltd | Wholesale & retail | 2021 |
| Wellpro Workplace Limited | Professional & scientific | 2020 |
| Wells & Co (Bedford) Limited | Professional & scientific | 1963 |
| Welltrix Ltd | Construction | 2025 |
| Welwyn House Limited | Administrative & support | 2013 |
| Welwyn Property Investments Ltd | Real estate | 2021 |
| Wemaa Consultants Ltd | Professional & scientific | 2026 |
| Wendover Bakery Ltd | Hospitality | 2017 |
| Wendover Catering Ltd | Hospitality | 2019 |
| Wendover Motor Services Ltd | Wholesale & retail | 2022 |
| Wenham and Cooper Limited | Professional & scientific | 2005 |
| Weres Advisory Ltd | Professional & scientific | 2026 |
| Wesley Court (Raunds) Management Limited | Households | 1987 |
| West Midlands Recycling Ltd | Wholesale & retail | 2023 |
| West Park Farm Limited | Real estate | 2021 |
| Westashton Events Ltd | Wholesale & retail | 2025 |
| Westbrook Services Limited | Construction | 2002 |
| Westcott Care Advisory Services Limited | Professional & scientific | 2011 |
| Westen Consulting Ltd | Professional & scientific | 2024 |
| Wester Kerrowgair Farm Energy Limited | Manufacturing | 2014 |
| Westhaven Estates Limited | Construction | 2007 |
| Westoning Manor Management Company Limited | Households | 1999 |
| Westoning Source Ltd | Administrative & support | 2017 |
| Wests Windows and Exterior Cleaning Services Limited | Administrative & support | 2025 |
| WF Property Group Ltd | Real estate | 2026 |
| WG Education & Leadership Limited | Information & communication | 2025 |
| WGH Estates Limited | Real estate | 2021 |
| Whalestone Limited | Real estate | 2016 |
| Wharton Financial Services (UK) Ltd. | Financial services | 2014 |
| What Bitcoin DID Ltd | Information & communication | 2017 |
| What Coffee Roasters Limited | Manufacturing | 2025 |
| What's Next Business Adviser Limited | Professional & scientific | 2023 |
| Whateverworx Limited | Professional & scientific | 2021 |
| Wheatley MB Ltd | Other services | 2024 |
| Wheaton Hill Stables Ltd | Agriculture & fishing | 2019 |
| Wheels in Motion Group Ltd | Wholesale & retail | 2026 |
| Wheels of Bedford Limited | Transport & logistics | 2017 |
| Wheelwright House (46-130) RTM Company Limited | Households | 2018 |
| When Women Pray Intl Milton Keynes CIC | Other services | 2025 |
| Whiffle WAX Ltd | Wholesale & retail | 2020 |
| Whitaker Global Limited | Professional & scientific | 2015 |
| White Birmingham Limited | Arts & recreation | 2021 |
| White Birmingham Trading Limited | Arts & recreation | 2025 |
| White Bricks Management Ltd | Real estate | 2022 |
| White Eagle Land & Development Limited | Construction | 2015 |
| White Hart Maulden Limited | Hospitality | 2021 |
| White Hart Press Limited | Manufacturing | 2012 |
| White House Plumbing & Heating Services Ltd | Construction | 2024 |
| White House Property Holdings Ltd | Real estate | 2020 |
| White Olive Holdings Limited | Real estate | 2019 |
| White Orchid Care Limited | Health & social care | 2012 |
| White Orchid Marston Moretaine Limited | Health & social care | 2014 |
| White Productions Limited | Professional & scientific | 2013 |
| White Swan Laundry Ltd | Other services | 2021 |
| Whitefield Limited | Wholesale & retail | 2007 |
| Whitehill Bookings Limited | Hospitality | 2009 |
| Whitelake Limited | Information & communication | 2022 |
| Whiteley Property Investments Ltd | Real estate | 2023 |
| Whiteman Capital Ltd | Financial services | 2025 |