| Wiseman Analytics Ltd | Professional & scientific | 2021 |
| Wisemen Trading Ltd | Wholesale & retail | 2025 |
| Wiser Web Limited | Administrative & support | 2015 |
| Wiserweb Group Limited | Professional & scientific | 2025 |
| Wish Dare Inspire CIC | Arts & recreation | 2023 |
| Wished for Ltd | Manufacturing | 2014 |
| Wispanet Ltd | Information & communication | 2025 |
| Wispire Limited | Information & communication | 2011 |
| Wistal Limited | Transport & logistics | 2016 |
| Wisteria Cloud Estates Ltd | Real estate | 2026 |
| Witard Express Ltd | Wholesale & retail | 2025 |
| Wittsend Innovations Ltd | Manufacturing | 2017 |
| Wiveton Hall Camping Limited | Administrative & support | 2017 |
| Wixon GAS & Heating Ltd | Construction | 2016 |
| Wizard Productions Limited | Manufacturing | 1986 |
| Wizz Plant Ltd | Administrative & support | 2023 |
| Wizzmail Limited | Information & communication | 2000 |
| WJB Financial Limited | Financial services | 2024 |
| WJM IT Consultancy Limited | Information & communication | 2016 |
| Wjmc Physiotherapy Limited | Health & social care | 2019 |
| WK Properties Limited | Real estate | 2010 |
| WKD Builders Limited | Administrative & support | 2017 |
| Wksa | Arts & recreation | 2008 |
| WLG Worldwide Limited | Information & communication | 2019 |
| WM Hardware Ltd | Wholesale & retail | 2014 |
| WM Web Holdings Limited | Professional & scientific | 2018 |
| WM2 Ltd | Professional & scientific | 2020 |
| WMV Construction Limited | Construction | 2009 |
| Wnhl Construction Limited | Construction | 2014 |
| Woad Corner (Norwich) Limited | Real estate | 2007 |
| WOB Holdings Ltd | Financial services | 2024 |
| Woburn 8 Ltd | Hospitality | 2024 |
| WOJ Jablo Ltd | Transport & logistics | 2022 |
| Wolberry Limited | Professional & scientific | 2003 |
| Wolf Agency Digital Marketing Ltd | Professional & scientific | 2020 |
| Wolf Design & Build (Midlands) Limited | Construction | 2018 |
| Wolf Project Services Limited | Professional & scientific | 2024 |
| Wolf Property & Management Limited | Administrative & support | 2018 |
| Wolf Property Holdings Limited | Real estate | 2019 |
| Wolf Services Ltd | Real estate | 2024 |
| Wolf Tiling Limited | Construction | 2021 |
| Wolfe & Riff Ltd | Wholesale & retail | 2025 |
| Wolfe and Linge Bespoke Landscapes Ltd | Administrative & support | 2025 |
| Wolfey Traders Ltd | Wholesale & retail | 2019 |
| Wolfy's Catering Limited | Hospitality | 2024 |
| Wollivan DEV Ltd | Information & communication | 2026 |
| Wolpen Limited | Professional & scientific | 2019 |
| Wolstenholme Yacht Design Limited | Professional & scientific | 2006 |
| Woman WHO CAN Ltd | Professional & scientific | 2025 |
| Wonder Films Limited | Information & communication | 2003 |
| Wonderwalls Painters & Decorators Ltd | Construction | 2008 |
| Wong 88 Limited | Hospitality | 2017 |
| Wonky Starfish Ltd | Real estate | 2020 |
| Woocube Limited | Information & communication | 2015 |
| Wood END Close Management Company Limited | Real estate | 2013 |
| Wood Farm Management Company Limited | Households | 2020 |
| Wood Fired Chef Ltd | Wholesale & retail | 2018 |
| Wood Park (Flat 25) Limited | Real estate | 2025 |
| Wood Street Properties Limited | Real estate | 2016 |
| Wood Water Projects Limited | Real estate | 2010 |
| Woodbine Construction Ltd | Construction | 2021 |
| Woodbridge Web Limited | Information & communication | 2019 |
| Woodcock Carpets Limited | Wholesale & retail | 1985 |
| Woodcraft Solutions Limited | Construction | 2014 |
| Woodcrest Purley Limited | Professional & scientific | 2013 |
| Woodcrest TEC Limited | Manufacturing | 2018 |
| Woodeson Executive Coaching Ltd | Professional & scientific | 2022 |
| Woodfellows LLP | | 2005 |
| Woodforde's Limited | Manufacturing | 1999 |
| Woodforde's Norfolk Ales Limited | Manufacturing | 1983 |
| Woodgate CHC Ltd | Health & social care | 2018 |
| Woodhospitality Limited | Hospitality | 2026 |
| Woodhouse Electrical Contractors Ltd | Construction | 2024 |
| Woodknot Limited | Construction | 2025 |
| Woodland Heath Residential Management Company Limited | Households | 2021 |
| Woodlands Caravan Park (Sheringham) Limited | Hospitality | 2021 |
| Woodlands Consulting and Therapy Ltd | Health & social care | 2019 |
| Woodlands Management (Dereham Road Norwich) Company Limited | Households | 2000 |
| Woodmill Joinery Limited | Manufacturing | 2021 |
| Woodplained Ltd | Manufacturing | 2023 |
| Woodrow Garage Ltd | Wholesale & retail | 2013 |
| Woodrow Homes Limited | Real estate | 2023 |
| Woods Catering Events Ltd | Hospitality | 2023 |
| Woods Coffee Bar Ltd | Wholesale & retail | 2021 |
| Woods Cycles Ltd | Wholesale & retail | 2022 |
| Woods Dyke Limited | Manufacturing | 2017 |
| Woods Fencing & Landscaping Ltd | Administrative & support | 2022 |
| Woods Interiors and Design Ltd | Construction | 2019 |
| Woods Memorial Craft (Norwich) Limited | Other services | 2007 |
| Woods Precision Engineering Limited | Manufacturing | 2020 |
| Woodside Anaesthesiology Services Limited | Health & social care | 2016 |
| Woodside House Accommodations Ltd | Hospitality | 2022 |
| Woodside Housekeeping Ltd | Administrative & support | 2022 |
| Woodside Snooker Centre (Dereham) LLP | | 2019 |
| Woodside Snooker Centre Limited | Arts & recreation | 2016 |
| Woodsy & Sons Driver Hire Ltd | Transport & logistics | 2024 |
| Woodsy Driver Hirer Limited | Transport & logistics | 2023 |
| Woodtechuk Ltd | Real estate | 2023 |
| Woodton Consulting Limited | Professional & scientific | 2020 |
| Woodton Development Land Limited | Administrative & support | 2019 |