| Trustnet Solutions Ltd | Professional & scientific | 2025 |
| Turnbull IOW Limited | Real estate | 2014 |
| Two Oaks Accounting Ltd | Professional & scientific | 2026 |
| Two Wight Trees Limited | Information & communication | 2018 |
| Ubique Consulting Ltd | Professional & scientific | 2022 |
| UK Microsoldering Ltd | Manufacturing | 2020 |
| UK Vehicle Parking Solutions Ltd | Transport & logistics | 2015 |
| Ultra Gleem Limited | Administrative & support | 2025 |
| Umali & SON Ltd | Wholesale & retail | 2023 |
| Umbrella Hub CIC | Administrative & support | 2021 |
| Unified Training Limited | Professional & scientific | 2007 |
| Union Nail Salon Ltd | Other services | 2024 |
| Upton Park Speech and Language Therapy Ltd | Education | 2022 |
| Upwood House Management Company Limited | Real estate | 2007 |
| Urban Saints Limited | Other services | 2006 |
| V.Simm Ltd | Manufacturing | 2023 |
| Varley Developments Limited | Real estate | 2025 |
| Vectis Historic Vehicle Club Limited | Arts & recreation | 2013 |
| Vectis Investigations Ltd | Administrative & support | 2022 |
| Vectis Marine Holdings Ltd | Administrative & support | 2023 |
| Vectis Pubs Limited | Hospitality | 2025 |
| Ventnor Launderette Ltd | Other services | 2021 |
| Venture Heroes Limited | Professional & scientific | 2014 |
| Verbum VOX Limited | Manufacturing | 2010 |
| Vernon Square Conservation Society Limited | Arts & recreation | 2017 |
| Vespan Consultants Limited | Education | 2007 |
| Vesselsvalue Limited | Information & communication | 2010 |
| Vettori Marine Ltd | Transport & logistics | 2024 |
| VIA Insulae Ltd | Real estate | 2025 |
| Vibration Works Ltd | Arts & recreation | 2012 |
| Viral Gadgets Ltd | Wholesale & retail | 2019 |
| Vision Accounting Ltd | Professional & scientific | 2019 |
| Vision Financial Services Ltd | Financial services | 2023 |
| Vomi Ltd | Transport & logistics | 2026 |
| W Adkins & SON Limited | Real estate | 2025 |
| W J Wetherick Plumbing & Heating Ltd | Construction | 2019 |
| Waste R US (IOW) Ltd | Water & waste | 2020 |
| Watts UP Heating Ltd | Construction | 2025 |
| Waxcrayon Ltd | Information & communication | 2012 |
| Wayfinders Education CIC | Education | 2025 |
| WE Go Local Solutions Limited | Information & communication | 2020 |
| Weld Services (I W) Limited | Manufacturing | 2012 |
| Wellfield Park Limited | Construction | 2022 |
| Wellington Court Management Company Limited | Households | 1987 |
| West Orchard Developments Limited | Construction | 2006 |
| West Street (Roads & Services) Management Company Limited | Extraterritorial | 2007 |
| Westfield Management (IOW) Limited | Real estate | 2024 |
| Wheatsheaf Homes Limited | Professional & scientific | 2004 |
| White Eagle Solutions Ltd | Professional & scientific | 2022 |
| White Pebble IOW Limited | Wholesale & retail | 2024 |
| Whitnox Developments Limited | Construction | 2017 |
| Whzan Digital Health Limited | Information & communication | 2022 |
| Whzan Limited | Information & communication | 2018 |
| Wiara Facilities Limited | Construction | 2017 |
| Wichett Blade Specialists Ltd | Manufacturing | 2023 |
| Wight African Kitchen Limited | Hospitality | 2024 |
| Wight Building Services Ltd | Real estate | 2025 |
| Wight Car Auctions Ltd | Wholesale & retail | 2021 |
| Wight Clinic Ltd | Health & social care | 2023 |
| Wight Coast and Country Cottages Limited | Hospitality | 2007 |
| Wight Computers Ltd | Information & communication | 2012 |
| Wight Diamond Developments Limited | Real estate | 2002 |
| Wight Electrical Ltd | Construction | 2005 |
| Wight Embroidery Limited | Wholesale & retail | 2004 |
| Wight Escapes Ltd | Administrative & support | 2021 |
| Wight Fire Training Ltd | Education | 2008 |
| Wight for YOU Ltd | Professional & scientific | 2023 |
| Wight Gateway Limited | Construction | 2018 |
| Wight Island Holdings Ltd | Real estate | 2018 |
| Wight Karting Ltd | Arts & recreation | 2013 |
| Wight Keys Ltd | Hospitality | 2025 |
| Wight Life Property Limited | Real estate | 2025 |
| Wight Lifestyle Limited | Information & communication | 2016 |
| Wight Mould Solutions Limited | Administrative & support | 2026 |
| Wight Nights Limited | Hospitality | 2006 |
| Wight Property Maintenance Ltd | Manufacturing | 2012 |
| Wight Roots and Rentals Ltd | Real estate | 2024 |
| Wight Solar Ltd | Other services | 2020 |
| Wight Spirits Ltd | Manufacturing | 2015 |
| Wight Star Construction Ltd | Construction | 2025 |
| Wight Synergy Limited | Construction | 2013 |
| Wight Tide Limited | Hospitality | 2024 |
| Wight Utilities Ltd | Construction | 2020 |
| Wight Vipers Reptiles and Pet Supplies Ltd | Wholesale & retail | 2022 |
| Wight Wings Ltd | Hospitality | 2025 |
| Wight Writing Limited | Professional & scientific | 2021 |
| Wight-House Electronics Ltd | Administrative & support | 2014 |
| Wightime Ltd | Information & communication | 2025 |
| Wightsight Ryde Limited | Wholesale & retail | 2020 |
| Wightwire Marketing Ltd | Professional & scientific | 2025 |
| Wild Isle Nature School Ltd | Education | 2024 |
| Wild Spice Tandoori Takeaway Ltd | Hospitality | 2020 |
| Wilks Price Hounslow Limited | Professional & scientific | 2020 |
| Will Squibb Limited | Manufacturing | 2010 |
| Willgoss and Sons Limited | Construction | 2015 |
| Williams Global Ltd | Wholesale & retail | 2025 |
| Willow Pharmacy Limited | Wholesale & retail | 2005 |
| Willows Laboratories Ltd | Professional & scientific | 2025 |
| Winchester (Isle of Wight) Properties Limited | Real estate | 2020 |
| Windward Sailing Limited | Transport & logistics | 2014 |