| Walking Back the Cat Limited | Wholesale & retail | 2018 |
| Wallsend Flooring Limited | Wholesale & retail | 2010 |
| Walshco Limited | Professional & scientific | 2005 |
| Walton Creative Stylists Ltd | Other services | 2024 |
| Walton Park Management Company (North Shields) Limited | Professional & scientific | 2003 |
| Wansbeck Timber Limited | Wholesale & retail | 2026 |
| Warren Land Limited | Real estate | 2018 |
| Warren’S Kitchen Ltd | Hospitality | 2023 |
| Waterville M.O.T Centre Ltd | Wholesale & retail | 2016 |
| Waterville Road Car Care Ltd | Wholesale & retail | 2019 |
| Waterworth Property Holdings Ltd | Real estate | 2013 |
| Waterworth Property Services Limited | Construction | 2025 |
| WE ARE Intertwined CIC | Arts & recreation | 2025 |
| WE Commercial Limited | Professional & scientific | 2025 |
| WE Landscape Limited | Administrative & support | 2025 |
| WE Love Slates Limited | Construction | 2026 |
| WE Supply Graphics Ltd | Manufacturing | 2026 |
| Weardale Logistics Ltd | Administrative & support | 2017 |
| Weightman Associates Limited | Public administration | 2008 |
| Weld Excel Limited | Manufacturing | 2019 |
| Wellness With Caroline Ltd | Health & social care | 2024 |
| Welsbury Ltd | Wholesale & retail | 2019 |
| West Chirton ARC Limited | Wholesale & retail | 2002 |
| West Farm Management Company Limited | Households | 2018 |
| Westcountry Food Holdings Ltd | Professional & scientific | 2000 |
| Westcountry Fruit Sales Limited | Wholesale & retail | 1970 |
| Westfeld Limited | Hospitality | 2004 |
| Westone Wholesale Limited | Wholesale & retail | 1983 |
| Westro Motor Co Limited | Wholesale & retail | 2017 |
| Whelan Consultancy Services Ltd | Professional & scientific | 2012 |
| Where 2 ( North East ) Limited | Transport & logistics | 2025 |
| Whin Sill Limited | Professional & scientific | 2020 |
| Whisker One Ltd | Professional & scientific | 2025 |
| White ARK Power Ltd | Construction | 2026 |
| White Knight Electrics Ltd | Construction | 2025 |
| White Knight Estates Ltd | Other services | 2014 |
| White Knight Maintenance Limited | Construction | 2011 |
| White Knight Plumbing and Heating Ltd | Construction | 2025 |
| White Knight Property Development Ltd | Other services | 2014 |
| Whitefield IM Limited | Real estate | 2013 |
| Whitehall Corporation Limited | Professional & scientific | 2014 |
| Whitehall Strategies Ltd | Professional & scientific | 2022 |
| Whitetype Ltd | Arts & recreation | 2024 |
| Whitley Bay Music Rooms Limited | Real estate | 2023 |
| Whitley Bay Young Peoples Centre Limited | Arts & recreation | 2012 |
| Whitley Business Services Limited | Professional & scientific | 2017 |
| Whitlie Properties Limited | Real estate | 2025 |
| WI Consulting Ltd | Professional & scientific | 2025 |
| Widu Construction Ltd | Construction | 2026 |
| Wild at Heart - Home & Gift Ltd | Wholesale & retail | 2015 |
| Wildebeest Limited | Professional & scientific | 2025 |
| Wilford Ellison Limited | Real estate | 2025 |
| Will Cycle for Pizza Ltd | Wholesale & retail | 2024 |
| Williamson Real Estate Limited | Real estate | 2025 |
| Willoughby Gray Consulting Limited | Professional & scientific | 2024 |
| Wilson's Heavy Lifting Limited | Professional & scientific | 2025 |
| WIN Eternal Technology Ltd | Wholesale & retail | 2016 |
| Wind and Sea Ltd | Wholesale & retail | 2020 |
| Wind Tower Limited | Professional & scientific | 2026 |
| Wipe OUT Music Limited | Information & communication | 1995 |
| WLS Properties Limited | Real estate | 2015 |
| WM Collectables Ltd | Wholesale & retail | 2025 |
| WMM Consulting Ltd | Professional & scientific | 2022 |
| Woodly Worldwide Ltd | Wholesale & retail | 2020 |
| Woodstock Maintenance Limited | Construction | 2009 |
| Work by JR Ltd | Arts & recreation | 2020 |
| World Medica UK Limited | Health & social care | 2025 |
| Worldbeaters Ltd | Arts & recreation | 2017 |
| Worldweary Limited | Real estate | 2002 |
| Worn Tire Limited | Wholesale & retail | 2015 |
| Wraight Consulting Limited | Information & communication | 2023 |
| WSG Print Limited | Manufacturing | 2018 |
| Wubbleyou Limited | Information & communication | 2010 |
| Wynyard Engineering Consultants Limited | Professional & scientific | 2016 |
| Xiaokui Limited | Hospitality | 2025 |
| Xlvet Networks Limited | Professional & scientific | 2011 |
| Yassi Rentals Ltd | Real estate | 2024 |
| YES WE CAN Community CIC | Professional & scientific | 2020 |
| Yhsc Limited | Other services | 2022 |
| Ykmj Limited | Wholesale & retail | 2024 |
| YM North East Property Services Ltd | Real estate | 2019 |
| Ynke Ltd | Information & communication | 2025 |
| Yonder Surf Academy C.I.C. | Health & social care | 2019 |
| Youngz Ltd | Real estate | 2026 |
| Yourfortunes Limited | Administrative & support | 2022 |
| Zandion Ltd | Professional & scientific | 2024 |
| Zapego Limited | Real estate | 1987 |
| Zaytun (North Shields) Ltd | Hospitality | 2016 |
| Zeeglow Ltd | Manufacturing | 2025 |
| Zencheck.Ai Ltd | Professional & scientific | 2024 |
| Zero One Advisory and Consultancy Services Ltd | Professional & scientific | 2025 |
| ZK Barbershop Ltd | Other services | 2025 |
| ZK Real Estate Ltd | Real estate | 2025 |
| Zoorbit Limited | Administrative & support | 2011 |
| Zoorbit Property Limited | Real estate | 2018 |
| Zoorbit Services Limited | Professional & scientific | 2025 |
| Zoxy Ltd | Wholesale & retail | 2021 |
| ZT Property Management (North East) Ltd | Construction | 2017 |
| ZW Enterprises Limited | Wholesale & retail | 2018 |