| White Hart Solutions Limited | Construction | 2005 |
| White Horse Development Trust CIC | Hospitality | 2012 |
| White House Court Residents Association Limited(The) | Real estate | 1971 |
| White Lily Limited | Hospitality | 2016 |
| White Lion Properties Limited | Real estate | 1961 |
| White Lodge (Norwich) Limited | Real estate | 2011 |
| White Lodge Properties Limited | Real estate | 1970 |
| White Moth Properties Limited | Real estate | 2016 |
| White Mountain Homes Limited | Real estate | 1990 |
| White Park Cattle Society Limited | Agriculture & fishing | 2006 |
| White Rose Stores Limited | Wholesale & retail | 2017 |
| White Sails Laundry Company Ltd | Other services | 2020 |
| White Space Collective Limited | Administrative & support | 2025 |
| White Space Creative Solutions Limited | Other services | 2021 |
| White Stag Homes Ltd | Construction | 2021 |
| White Swan North Walsham Limited | Hospitality | 2018 |
| White TIP Consulting Ltd | Professional & scientific | 2025 |
| Whitebait Properties Limited | Real estate | 2018 |
| Whiteford College Ltd | Education | 2026 |
| Whitegates Associates Limited | Professional & scientific | 2009 |
| Whitegold Trading Limited | Wholesale & retail | 2024 |
| Whitehall Farm Accommodation Ltd | Hospitality | 2024 |
| Whitehouse Holdings Limited | Professional & scientific | 2015 |
| Whiterod Surfacing Limited | Construction | 2002 |
| Whites Plumbing & Heating Limited | Construction | 2006 |
| Whitestone Norwich Limited | Hospitality | 2015 |
| Whitestone Pet Services Ltd | Agriculture & fishing | 2022 |
| Whitetree OWL Limited | Real estate | 2021 |
| Whitfield Construction Consultants Ltd | Construction | 2012 |
| Whitlam & Mackay Ltd | Hospitality | 2018 |
| Whitlingham Boathouses Foundation Limited | Arts & recreation | 2009 |
| Whitlingham Hall Freehold Company Limited | Real estate | 2010 |
| Whitlingham Hall Management Company Limited | Real estate | 2001 |
| Whitlingham Stores Ltd | Wholesale & retail | 2024 |
| Whitlingham Trading Company Limited | Hospitality | 2022 |
| Whitmore Holdings (Orsett) Limited | Financial services | 2023 |
| Whitmore Properties (Orsett) Limited | Real estate | 2012 |
| Whitney's Carpets Limited | Administrative & support | 2014 |
| Whittaker-Engineering-Consulatants- Ltd | Professional & scientific | 2023 |
| Whittlesey Lakeside (Cambridge) Management Company Limited | Households | 2022 |
| Whitty Advising Ltd | Information & communication | 2023 |
| Whitwell & Reepham Railway Preservation Society Ltd | Other services | 2008 |
| Whitwell Hall Country Centre Ltd | Education | 1938 |
| Whitwell Hall Farms Limited | Agriculture & fishing | 1952 |
| WHN Limited | Hospitality | 2014 |
| WHO the Hells Done That Ltd | Extraterritorial | 2022 |
| Whole Shop 2U Ltd | Wholesale & retail | 2017 |
| Whole Systems Partnership Limited | Professional & scientific | 2001 |
| Whos-The-Ref.Com Ltd | Information & communication | 2011 |
| Whos-The-Umpire.Com Ltd | Information & communication | 2011 |
| Whyts Tables Ltd | Hospitality | 2018 |
| Wicken Green Village Management Co Limited | Households | 1996 |
| Wicken Holdings Limited | Financial services | 2019 |
| Wickenscape Limited | Construction | 2021 |
| Wickhams Yard Development Limited | Construction | 2017 |
| Wicklewood Interventional & Radiology Enterprise Ltd | Health & social care | 2019 |
| Widget Innovations Ltd | Manufacturing | 2020 |
| Wigwam Homes Ltd | Real estate | 2021 |
| Wiiair Limited | Real estate | 2017 |
| Wikdesign Limited | Manufacturing | 2013 |
| Wiks Ltd | Wholesale & retail | 2026 |
| Wilby Farming Company Limited | Real estate | 1943 |
| Wilby Jones Accounting Limited | Professional & scientific | 2023 |
| Wilby Jones Holdings Limited | Financial services | 2023 |
| Wilby Jones IP Limited | Professional & scientific | 2024 |
| Wilby Jones Limited | Professional & scientific | 2023 |
| Wilcockson Properties Ltd | Real estate | 2020 |
| Wilcox Property (Norfolk) Limited | Real estate | 2026 |
| Wild About Birds Limited | Wholesale & retail | 2012 |
| Wild Bear Drinks Ltd | Wholesale & retail | 2026 |
| Wild Child Entertainment Ltd | Arts & recreation | 2017 |
| Wild Child Therapy Garden CIC | Health & social care | 2026 |
| Wild Claw Games Ltd | Manufacturing | 2026 |
| Wild for the World Limited | Information & communication | 2024 |
| Wild Frontier Ecology Limited | Administrative & support | 2003 |
| Wild Parts Limited | Hospitality | 2025 |
| Wild Paths Festival Ltd | Arts & recreation | 2019 |
| Wild Tree Care Limited | Administrative & support | 2021 |
| Wild Van Ltd | Manufacturing | 2018 |
| Wild Vanventures Ltd | Manufacturing | 2025 |
| Wildcraft Brewery Limited | Manufacturing | 2016 |
| Wildcrew Ltd | Professional & scientific | 2023 |
| Wilder Timber Framing Ltd | Manufacturing | 2026 |
| Wildfire Social Club Ltd | Other services | 2026 |
| Wildgoat Clothing Ltd | Wholesale & retail | 2021 |
| Wildlife Norfolk Limited | Extraterritorial | 2001 |
| Wildman Ecological Services Limited | Professional & scientific | 2026 |
| Wildstream Limited | Extraterritorial | 2014 |
| Wildthings Entertainment Ltd | Arts & recreation | 2018 |
| Wildverse Ltd | Manufacturing | 2025 |
| Wildview Retreats Ltd | Households | 2025 |
| Wiled Properties Limited | Real estate | 2013 |
| Wilfbert Limited | Professional & scientific | 2021 |
| Wiljura Digital Solutions Ltd | Professional & scientific | 2023 |
| Wilkin Dennys Limited | Wholesale & retail | 1997 |
| Wilkins Medical Supplies Ltd | Wholesale & retail | 2020 |
| Wilkinson Builders Reepham Limited | Construction | 1999 |
| Will and Probate Partnership DCS LLP | | 2022 |
| Will and Probate Partnership LLP | | 2021 |
| Will D MAN Limited | Manufacturing | 2022 |