| Weston Collective Limited | Administrative & support | 2026 |
| Weststar Holidays Limited | Hospitality | 1987 |
| Westudy International Education (UK) Limited | Education | 2011 |
| Westview Chinese Takeaway (Gateshead) Ltd | Hospitality | 2019 |
| Westwood Yurts Limited | Administrative & support | 2018 |
| Wetton Young Limited | Professional & scientific | 2014 |
| Weylands Investments Ltd | Real estate | 2020 |
| WEZ Properties Limited | Real estate | 2025 |
| WF Investments Ltd | Administrative & support | 2018 |
| WF Technologies Ltd | Information & communication | 2024 |
| WFN Fight Night Ltd | Arts & recreation | 2024 |
| WH 2013 LLP | | 2010 |
| WH and Sons Removals Ltd | Transport & logistics | 2024 |
| Whale Bean Roast Limited | Manufacturing | 2026 |
| Whalton Park Management Company Limited | Real estate | 2001 |
| Wharton.Global Limited | Professional & scientific | 1999 |
| What's Next Marketing Ltd | Professional & scientific | 2024 |
| Whatever U Need Ltd | Wholesale & retail | 2018 |
| WHC Retail Ltd | Wholesale & retail | 2022 |
| WHEAT123 Limited | Hospitality | 2022 |
| Wheatandwbakery Limited | Manufacturing | 2026 |
| Wheatfield Grange (Westerhope) Management Company Ltd | Real estate | 2015 |
| Wheel Art Limited | Wholesale & retail | 1999 |
| Wheelers NE Ltd | Wholesale & retail | 2016 |
| Wheelhaus Ltd | Wholesale & retail | 2015 |
| Wheelnut Pro Ltd | Wholesale & retail | 2022 |
| When Children Sleep (WCS) Ltd | Wholesale & retail | 2021 |
| Where Holly Grew Limited | Professional & scientific | 2018 |
| Whereabouts ITW Limited | Information & communication | 2023 |
| Whibutt’S Ltd | Manufacturing | 2025 |
| Which White? Colour Consultancy Ltd | Professional & scientific | 2026 |
| Whickham Bathrooms Limited | Construction | 2017 |
| Whickham Builders (North East) Limited | Construction | 2013 |
| Whickham Cards & Gifts Ltd | Wholesale & retail | 2024 |
| Whickham Delight Ltd | Hospitality | 2019 |
| Whickham Fish and Chips Ltd | Hospitality | 2025 |
| Whickham Indian Ltd | Hospitality | 2025 |
| Whickham Nail Spa Ltd | Other services | 2025 |
| Whickham Playzone Ltd | Arts & recreation | 2006 |
| Whickham Properties Limited | Real estate | 2015 |
| Whickham Salerooms Holdings Limited | Financial services | 2024 |
| Whickham Salerooms Limited | Wholesale & retail | 2010 |
| Whickham School and Sports College | Education | 2011 |
| Whickham View Ltd | Hospitality | 2017 |
| Whinfell Management Consulting Limited | Information & communication | 2014 |
| Whinney Park Management Company Limited | Other services | 2017 |
| Whiptail Cycles Ltd | Other services | 2013 |
| Whistle Connect Ltd | Information & communication | 2026 |
| Whitburn Estates Limited | Extraterritorial | 2020 |
| Whitby Court Limited | Health & social care | 2011 |
| White Bros. (N'Cle-On-Tyne) Limited | Manufacturing | 1987 |
| White Cross Trading & Investment Limited | Financial services | 2026 |
| White Foot Ltd | Real estate | 2021 |
| White Orchard Ltd | Professional & scientific | 2025 |
| White Rabbit Design Ltd | Professional & scientific | 2022 |
| White Sky Access Ltd | Professional & scientific | 2021 |
| White Witch of the Moon Ltd | Manufacturing | 2020 |
| Whiteboard Solutions Limited | Information & communication | 2025 |
| Whitehill Leisure Limited | Professional & scientific | 2003 |
| Whitehope Limited | Professional & scientific | 2003 |
| Whiteline Accountancy Ltd | Professional & scientific | 1999 |
| Whites Workspace Ltd | Real estate | 2023 |
| Whitewell Hotels Limited | Real estate | 1998 |
| Whitewell Properties Limited | Real estate | 1998 |
| Whitfields Building Services Limited | Construction | 1971 |
| Whitley Bay Leisure Ltd | Hospitality | 2023 |
| Whitsun Payroll Bureau Ltd | Administrative & support | 2021 |
| Whittal Builders Company Limited | Wholesale & retail | 1955 |
| Whittell Winrow Agency Limited | Information & communication | 2018 |
| Whittle Dene Community Interest Company | Hospitality | 2019 |
| Whitton View Management Company Limited | Real estate | 2007 |
| Whitworth Hall Developments Limited | Hospitality | 2013 |
| Whitworth View Residents Management Company Limited | Households | 2024 |
| Whole and Thriving Ltd | Education | 2026 |
| WHY Audrey Ltd | Wholesale & retail | 2025 |
| WHY SO Serious Ltd | Other services | 2015 |
| Whyrs Limited | Wholesale & retail | 2021 |
| Whysguys Ltd | Professional & scientific | 2023 |
| Whyte Cross Medical Services Ltd | Health & social care | 2015 |
| Wicked Misfits Entertainment Limited | Professional & scientific | 2025 |
| Wicks END Ltd | Manufacturing | 2019 |
| Wideopen Pharmacy Limited | Wholesale & retail | 2025 |
| Wiel Ltd | Manufacturing | 2024 |
| Wigamama Beauty Ltd | Other services | 2023 |
| Wikaniko Ltd | Wholesale & retail | 2009 |
| WIL Calvert Ltd | Professional & scientific | 2023 |
| Wilcomm Bespoke Living Limited | Professional & scientific | 2003 |
| Wild in Tyne Ltd | Other services | 2023 |
| Wild Intrigue CIC | Information & communication | 2021 |
| Wild North East Limited | Other services | 2024 |
| Wild Roses Theatre Group CIC | Administrative & support | 2023 |
| Wildcard (WE) Ltd | Wholesale & retail | 2022 |
| Wildcard UK Limited | Information & communication | 2004 |
| Wildcard UK NE1 Ltd | Information & communication | 2021 |
| Wilder Active Ltd | Wholesale & retail | 2025 |
| Wilder Events Loughborough Ltd | Other services | 2023 |
| Wilder Events Ltd | Other services | 2021 |
| Wilder for a Reason CIC | Other services | 2024 |
| Wilder Trips Ltd | Information & communication | 2022 |
| Wilderness Yurts Limited | Construction | 2020 |