| Warsop Sporting Limited | Arts & recreation | 2006 |
| Warsop Sporting Trust | Arts & recreation | 2005 |
| Warsop Transport Limited | Transport & logistics | 2012 |
| Wasa Entacare Limited | Health & social care | 2014 |
| Wass Management Limited | Professional & scientific | 2001 |
| WAT Websites Ltd | Information & communication | 2026 |
| Watchful Monk Consultants Ltd | Professional & scientific | 2024 |
| Watchman Services Limited | Administrative & support | 2025 |
| Water Solutions Process Ltd | Water & waste | 2025 |
| Waterfields Estates Ltd | Real estate | 2019 |
| Waterfields Hotel Ltd | Hospitality | 2013 |
| Waterfront Business Centre Limited | Real estate | 2013 |
| Waterhouse Property Ltd | Real estate | 2020 |
| Waterlily Drinks Ltd | Hospitality | 2019 |
| Waterlily Enterprise Limited | Hospitality | 2017 |
| Waterline Holdings Ltd | Hospitality | 2025 |
| Waveney Builders (East Anglia) Limited | Construction | 2024 |
| Way Zone Education Limited | Information & communication | 2015 |
| Wayne Hill Electricals Ltd | Construction | 2019 |
| WB Joinery Solutions Ltd | Construction | 2024 |
| WB Property Sourcing Limited | Real estate | 2025 |
| WC Property LLP | | 2015 |
| Wdscott (Europe) Limited | Professional & scientific | 2024 |
| WE Buy Circuit Boards Ltd | Water & waste | 2026 |
| Wealth Academy Limited | Wholesale & retail | 2026 |
| Weather-Tech Developments Limited | Construction | 2021 |
| Weather-Tech Roofing (Mansfield) Ltd | Construction | 2019 |
| Web DNA Ltd | Information & communication | 2007 |
| Webeye Limited | Administrative & support | 2009 |
| Webflex Ltd | Manufacturing | 2001 |
| Webpod Limited | Information & communication | 2026 |
| Webster Plumbing and Heating Ltd | Construction | 2018 |
| Webtek Commerce Ltd | Wholesale & retail | 2025 |
| Wedding Wheels Limited | Transport & logistics | 2003 |
| Wednesfield Trading Limited | Wholesale & retail | 2019 |
| Weedfree Landscapes Ltd | Administrative & support | 2008 |
| Welbeck Service Station Ltd | Wholesale & retail | 2014 |
| Welcome Prosperity Enterprises Ltd | Manufacturing | 2024 |
| Welcome Souls Productions Ltd | Wholesale & retail | 2025 |
| Weld GAS Limited | Wholesale & retail | 2015 |
| Weldon Enterprises Ltd | Real estate | 2023 |
| Wellbeing Sports Nutrition Ltd | Wholesale & retail | 2025 |
| Wellcore Innovations Ltd | Professional & scientific | 2022 |
| Wellcore Supplements Ltd | Wholesale & retail | 2025 |
| Wellington Place Car Park Limited | Real estate | 2013 |
| Wellington Place Road Limited | Real estate | 2013 |
| Wells Engineering & Metal Fabrication Ltd | Manufacturing | 2026 |
| Wells Engineering Solutions Ltd | Extraterritorial | 2019 |
| Wellspring Properties Ltd | Construction | 2018 |
| Wendark Holdings Ltd | Real estate | 2025 |
| Wenham Mortgages Ltd | Financial services | 2016 |
| Wenham Specialist Finance Limited | Financial services | 2024 |
| Wenidragen Limited | Administrative & support | 2021 |
| West Hill Holdings Management Ltd | Households | 2023 |
| Westbrooke Healthcare Ltd | Health & social care | 2024 |
| Westgate Property Solutions Limited | Construction | 2023 |
| Westminster Watch Company Limited | Wholesale & retail | 2012 |
| WF Trans Ltd | Transport & logistics | 2016 |
| Whco Limited | Financial services | 2021 |
| Wheelie Clean Bins (Shirebrook) Ltd | Administrative & support | 2019 |
| Wheelie JET Limited | Professional & scientific | 2020 |
| Whinlea Limited | Extraterritorial | 2019 |
| Whistler Holdings Ltd | Information & communication | 2016 |
| Whistler Technology Ltd | Information & communication | 2001 |
| White Carrot Media Limited | Information & communication | 2016 |
| White Sage Calligraphy Ltd | Wholesale & retail | 2022 |
| White Stag Limited | Information & communication | 2017 |
| White Wolf Women Ltd | Health & social care | 2026 |
| Whitecliffe Construction Products Ltd | Wholesale & retail | 2023 |
| Whitehouse Fish Farm Limited | Agriculture & fishing | 2008 |
| Whitmere Associates Ltd | Administrative & support | 2025 |
| Whitney Motorsport Racing Ltd | Arts & recreation | 2025 |
| Whittaker Blakeney Limited | Real estate | 2018 |
| Whittaker Propco Limited | Financial services | 2023 |
| Whittaker Property Holdings Limited | Financial services | 2023 |
| Whodoo Limited | Information & communication | 2026 |
| Whoops IT Limited | Other services | 2017 |
| WHU Services Limited | Professional & scientific | 2023 |
| Wiffle Waffle 192 Limited | Hospitality | 2024 |
| Wightman Interiors Ltd | Construction | 2024 |
| Wilbold Limited | Information & communication | 2016 |
| Wild Tamarind Ltd | Real estate | 2026 |
| Wildflower Hedgehog Rescue Limited | Agriculture & fishing | 2025 |
| William Bennett Construction Ltd | Construction | 2006 |
| William Marshal PLC | Financial services | 2017 |
| Williams Property Maintenance Limited | Construction | 2007 |
| Willoebe Properties Ltd | Wholesale & retail | 2020 |
| Willow Leisure Parks Ltd | Hospitality | 2023 |
| Wilson Construction (Notts) Ltd | Construction | 2022 |
| Winchester Care Limited | Administrative & support | 2011 |
| Winchurst Limited | Other services | 2025 |
| Windor Direct Ltd | Construction | 2023 |
| Window Fashion Direct Limited | Wholesale & retail | 2014 |
| Winthorpe Commercial Services Limited | Administrative & support | 2001 |
| Wipers Pro Cleaning Ltd | Administrative & support | 2020 |
| Wirksworthlogs Ltd | Agriculture & fishing | 2017 |
| Wisa Maintenance Ltd | Administrative & support | 2026 |
| Wishkeepers Ltd | Information & communication | 2025 |
| Wisivity Ltd | Arts & recreation | 2025 |
| WJ Commercial BIN Cleaning Ltd | Professional & scientific | 2021 |