| Whites ES Limited | Administrative & support | 2018 |
| Whiteworth Conglomerate Limited | Professional & scientific | 2024 |
| Whitlock Consultancy Limited | Construction | 2021 |
| Whitlock Group Ltd | Extraterritorial | 2024 |
| Whitmore Plant Limited | Construction | 2014 |
| Whitwill Decoration Ltd | Construction | 2021 |
| Whitworth & Whitworth Properties Limited | Real estate | 2017 |
| WHO Cares Wins Ltd | Professional & scientific | 2024 |
| Whole Health and Fitness Ltd | Wholesale & retail | 2019 |
| Wholly Molly Gelato Limited | Manufacturing | 2022 |
| WHS Pubs Ltd | Hospitality | 2023 |
| Whystle Ltd | Real estate | 2023 |
| Wicker Gate Ltd | Professional & scientific | 2023 |
| Wickersham Properties Limited | Construction | 2016 |
| Wickhurst Consultants Limited | Information & communication | 2012 |
| Wickins Construction Legal Limited | Professional & scientific | 2018 |
| Wicklewoo Limited | Hospitality | 2021 |
| Wickwise Estates Limited | Professional & scientific | 1993 |
| Wide Awake Leadership Limited | Administrative & support | 2005 |
| Wideglobe Limited | Real estate | 2014 |
| Widworthy Barton Limited | Agriculture & fishing | 2023 |
| Wigs & Weaves Ltd | Wholesale & retail | 2020 |
| Wiju Investments Limited | Real estate | 2024 |
| Wilaade Care Services Limited | Health & social care | 2018 |
| Wilbur Holdings Limited | Extraterritorial | 2019 |
| Wilce Avenue Mangement Company Limited | Households | 2004 |
| Wild 5 Ltd | Information & communication | 2014 |
| Wild for Life Ltd | Education | 2019 |
| Wild Horizon Photography Tours Limited | Professional & scientific | 2026 |
| Wild Horizon Tours Limited | Professional & scientific | 2026 |
| Wild IVY Creative Ltd | Professional & scientific | 2025 |
| Wildewood Tree Services & Landscapes Limited | Administrative & support | 2020 |
| Wildon Holdings Limited | Wholesale & retail | 2026 |
| Wildwood Horticulture Ltd | Other services | 2017 |
| Wilf and Friends Ltd | Wholesale & retail | 2024 |
| Wilkes Academy Limited | Arts & recreation | 2012 |
| Wilkins Pipes Ltd | Construction | 2019 |
| Wilkinson Estates Limited | Real estate | 2011 |
| Wilkinson Tree Specialist Ltd | Administrative & support | 2022 |
| Wilky Pearls Limited | Health & social care | 2015 |
| Willey and Bunker Projects Ltd | Construction | 2014 |
| Willgrove Limited | Construction | 2002 |
| William Albert Limited | Professional & scientific | 2006 |
| William Albert Securities Limited | Financial services | 2003 |
| William Anthony Consulting Ltd | Real estate | 2023 |
| William Kerr (Roofing) Limited | Construction | 1982 |
| William Loxley Limited | Manufacturing | 1928 |
| William Street Motors (Northampton ) Limited | Wholesale & retail | 1962 |
| Williams Lighting Consultants Ltd | Professional & scientific | 2017 |
| Williams Talent Management Consultancy Limited | Professional & scientific | 2018 |
| Willo Properties (Bedford) Limited | Real estate | 2021 |
| Willow & Brook Properties Ltd | Real estate | 2020 |
| Willow Group Estates Ltd | Construction | 2019 |
| Willow House Property Investments Limited | Real estate | 2026 |
| Willow Plant Hire Limited | Administrative & support | 2000 |
| Willow Pool Restoration Limited | Construction | 2025 |
| Willows Access Ltd | Construction | 2026 |
| Willows Corner Ltd | Real estate | 2024 |
| Willson Security Ltd | Administrative & support | 2022 |
| Willtown Limited | Real estate | 1978 |
| Willworx Estates Ltd | Administrative & support | 2025 |
| Wilmac Holdings Limited | Hospitality | 2020 |
| Wilmac Property Ltd | Real estate | 2026 |
| Wilmer Ltd | Health & social care | 2013 |
| Wilmett Holdings Limited | Households | 2020 |
| Wilson & Stone Property Ltd | Households | 2026 |
| Wilson Construction & Glazing Ltd | Construction | 2021 |
| Wilson Peacock Limited | Professional & scientific | 2000 |
| Wilstead Haulage Limited | Water & waste | 2019 |
| Wilted Services Ltd | Water & waste | 2026 |
| Wimbart Limited | Professional & scientific | 2016 |
| Win-Dor FIX Limited | Extraterritorial | 2012 |
| Winchmore West Ltd | Professional & scientific | 2021 |
| Windmill Migrations Ltd | Information & communication | 2014 |
| Windmill Road (Freehold) Limited | Real estate | 2019 |
| Windmill Trading (Beds) Limited | Hospitality | 2013 |
| Window Ware Limited | Wholesale & retail | 2022 |
| Window Washers Ltd | Administrative & support | 2015 |
| Windsor Road Freeze Storage Limited | Manufacturing | 2026 |
| Windsor Road Garage Ltd | Wholesale & retail | 2024 |
| Winglane Limited | Real estate | 1998 |
| Winifred and Marcus Limited | Other services | 2022 |
| Wintent Limited | Manufacturing | 2015 |
| Winter Garden Garage Ltd | Wholesale & retail | 2022 |
| Winterspeed Limited | Transport & logistics | 2025 |
| Wired for Education Ltd. | Education | 2020 |
| Wisdom 11 Limited | Professional & scientific | 2010 |
| WISE10X Ltd | Households | 2025 |
| Wiseman Consultants Limited | Financial services | 2016 |
| Wisla (Bedford) Ltd | Wholesale & retail | 2014 |
| Wisla International Ltd | Wholesale & retail | 2026 |
| Wislent Ltd | Financial services | 2026 |
| Wisp Maintenance Ltd Ltd | Construction | 2026 |
| WIT Outsourcing Ltd | Administrative & support | 2022 |
| Withdave Ltd | Manufacturing | 2018 |
| Wixams Property Group Limited | Real estate | 2026 |
| Wixams Services Ltd | Real estate | 2023 |
| Wixams Village Store Ltd | Wholesale & retail | 2021 |
| Wixted Cleaning Ltd | Administrative & support | 2002 |
| Wizzy Consulting Limited | Professional & scientific | 2022 |