| Wall Done Painting & Decorating Ltd | Construction | 2024 |
| Wall Work Project Ltd. | Construction | 1999 |
| Wallblock Projects LLP | | 2018 |
| Waller & Co Trading Ltd | Wholesale & retail | 2025 |
| Waller Sawmills Ltd | Manufacturing | 1997 |
| Wallis Autogyros Limited | Manufacturing | 2011 |
| Wallow Wine Limited | Hospitality | 2018 |
| Walnut & Weave (Home Fashion) Ltd | Wholesale & retail | 2012 |
| Walnut Market Limited | Wholesale & retail | 2025 |
| Walnut Partnership Limited | Information & communication | 2011 |
| Walnut Tree Distillery Ltd | Wholesale & retail | 2018 |
| Walnut Tree Shades Trading Ltd | Hospitality | 2023 |
| Walnuts Residents Association Limited (the) | Real estate | 1967 |
| Walpole Financial Services Ltd | Financial services | 2023 |
| Walpole Property Developments Ltd | Construction | 2026 |
| Walpole Residential Ltd | Real estate | 2021 |
| Walpole's Kitchen Ltd | Hospitality | 2021 |
| Walsh Geotechnical Services Ltd | Professional & scientific | 2020 |
| Walsolo Ltd | Wholesale & retail | 2020 |
| Walter Developments Ltd | Construction | 2023 |
| Walters Motor Group Limited | Extraterritorial | 2016 |
| Walton and Sutherland Ltd | Wholesale & retail | 2019 |
| Walton Farms Limited | Agriculture & fishing | 1977 |
| Walton International Search Associates Limited | Construction | 2002 |
| Walton Pigs Limited | Agriculture & fishing | 2014 |
| Wanda Capital | Financial services | 2022 |
| Wander Bites Ltd | Hospitality | 2025 |
| Wanfu Limited | Hospitality | 2023 |
| Wanlilai Limited | Hospitality | 2024 |
| Ward Digital Transport Compliance Ltd | Professional & scientific | 2026 |
| Ward Duffin Developments Limited | Construction | 2018 |
| Ward Hill Limited | Professional & scientific | 2001 |
| Ward Mortgage Solutions Ltd | Financial services | 2018 |
| Ward Scaffolding Services Ltd | Construction | 2024 |
| Ward Studio Limited | Professional & scientific | 2022 |
| Warehouse Express Limited | Wholesale & retail | 1997 |
| Warlingham Wines Limited | Other services | 2009 |
| Warm Energy Labs Ltd | Information & communication | 2022 |
| Warm Flow Plumbing & Heating Services Limited | Construction | 2016 |
| Warm Homes (East Anglia) Limited | Real estate | 2020 |
| Warman and Wilson Property Group Ltd | Real estate | 2022 |
| Warman Plumbing & Heating Solutions Ltd | Construction | 2024 |
| Warmify Warm Roofs Ltd | Construction | 2024 |
| Warnes Roofing Ltd | Construction | 2023 |
| Warren & Burrow Ltd | Construction | 2022 |
| Warren Anthony Property Maintenance Ltd | Construction | 2008 |
| Wash Farm Ltd | Agriculture & fishing | 2024 |
| Wash My Ride Yorkshire Ltd | Administrative & support | 2020 |
| Wash Properties Limited | Real estate | 1976 |
| Washingford Research Limited | Professional & scientific | 1987 |
| Waspamed Ltd | Health & social care | 2015 |
| Waste Partner Limited | Water & waste | 2011 |
| Wastesmiths C.I.C. | Manufacturing | 2022 |
| Watan Kashmiri Restaurant Ltd | Hospitality | 2016 |
| Watches of Norwich Ltd | Wholesale & retail | 2024 |
| Watchword Media Ltd | Information & communication | 2010 |
| Water Cooler Talk Ltd | Administrative & support | 2015 |
| Water Resources East (WRE) Limited | Professional & scientific | 2019 |
| Water Saving Supplies Limited | Extraterritorial | 2023 |
| Watercourse Management Limited | Water & waste | 2014 |
| Waterfield Properties (Norwich) Limited | Real estate | 2019 |
| Waterfield Property Developments Limited | Construction | 2016 |
| Waterfield Property Management Limited | Real estate | 2016 |
| Waterfront Developments (EA) Limited | Real estate | 2006 |
| Waterguard (London) Limited | Water & waste | 2006 |
| Watering Farm Developments (EA) Ltd | Construction | 2025 |
| Watering Farm Developments Ltd | Construction | 2024 |
| Waterland Management Limited | Professional & scientific | 1986 |
| Waterlily Tanning & Beauty Ltd | Other services | 2009 |
| Waterloo Hotel & Spa Limited | Real estate | 2025 |
| Waters CCS Limited | Construction | 2011 |
| Waters Consulting Group Limited | Information & communication | 2020 |
| Watersedge (Wroxham) Ltd | Hospitality | 2024 |
| Watersfield Lettings Ltd | Hospitality | 2018 |
| Waterside Court (Norwich) Management Company Limited | Real estate | 1994 |
| Waterside Gardens (Newton Flotman) Limited | Other services | 2008 |
| Waterside Hotels Limited | Hospitality | 2003 |
| Waterside Mews Ebridge Mill Ltd | Households | 2025 |
| Waterways Retreats Ltd | Real estate | 2025 |
| Waterworks Motor Company Ltd | Wholesale & retail | 2016 |
| Waterworks Road Management Company Limited | Households | 2015 |
| Watling and Ward Building Solutions Ltd | Construction | 2025 |
| Watling Associates Limited | Financial services | 2025 |
| Watling Construction Limited | Construction | 2020 |
| Watlington Pre-School Limited | Education | 2008 |
| Watr Limited | Professional & scientific | 2017 |
| Watson and King Limited | Real estate | 1987 |
| Watson Legal Consultancy Limited | Professional & scientific | 2026 |
| Watsons Bay Ltd | Hospitality | 2021 |
| Watsons Property Group Ltd | Real estate | 2019 |
| Watton Produce Co. Limited | Agriculture & fishing | 1967 |
| Wattos Limited | Wholesale & retail | 2021 |
| Watts & Youngs Limited | Administrative & support | 2022 |
| Watts Marketing Limited | Professional & scientific | 2010 |
| Watts Property Holdings Ltd | Real estate | 2023 |
| Watts Property Norfolk Ltd | Real estate | 2020 |
| Watts Recruitment Limited | Professional & scientific | 2018 |
| Wave Electrical Ltd | Construction | 2024 |
| Wave TEL Ltd | Information & communication | 2010 |
| Waveney and Broads Ltd | Real estate | 2026 |