| Warwickshire & West Midlands Motorcycle Training Ltd | Education | 2019 |
| Warwickshire Aesthetic Clinic Ltd | Extraterritorial | 2017 |
| Warwickshire Beer Company Limited | Wholesale & retail | 1998 |
| Warwickshire College Ltd | Administrative & support | 1993 |
| Warwickshire Commercial Properties Limited | Real estate | 2021 |
| Warwickshire Commercial Vehicles Ltd | Wholesale & retail | 2025 |
| Warwickshire Community and Voluntary Action | Other services | 2008 |
| Warwickshire Dust Busters Ltd | Administrative & support | 2024 |
| Warwickshire Ebikes Limited | Wholesale & retail | 2018 |
| Warwickshire Essential Developments Limited | Construction | 2005 |
| Warwickshire Event Centre Ltd | Hospitality | 1995 |
| Warwickshire Family Mediation Ltd | Other services | 2022 |
| Warwickshire Glass Solutions Ltd | Construction | 2025 |
| Warwickshire Green Energy Limited | Professional & scientific | 2022 |
| Warwickshire Heat Pumps Ltd | Construction | 2024 |
| Warwickshire Holiday Cottages Limited | Real estate | 2023 |
| Warwickshire Home Physio Ltd | Health & social care | 2021 |
| Warwickshire Housing Limited | Real estate | 2025 |
| Warwickshire Independent Advocacy Alliance | Health & social care | 2000 |
| Warwickshire Marquees Limited | Administrative & support | 2014 |
| Warwickshire Open Studios C.I.C. | Administrative & support | 2023 |
| Warwickshire Properties Limited | Real estate | 2018 |
| Warwickshire Retail Crime Initiative Limited | Other services | 2011 |
| Warwickshire Specialist Cars Limited | Wholesale & retail | 2022 |
| Warwickshire Surveys Ltd. | Professional & scientific | 2009 |
| Warwickshire Timber Limited | Extraterritorial | 2012 |
| Warwickshire Vape Limited | Wholesale & retail | 2015 |
| Warwickshire Youth Theatre Ltd | Education | 2025 |
| Waste and Resources Projects Ltd | Professional & scientific | 2013 |
| Wastecom-Nrg Limited | Water & waste | 2020 |
| Watches of Warwickshire Limited | Wholesale & retail | 2020 |
| Waters (1802) Limited | Wholesale & retail | 1925 |
| Watervale Estates Limited | Real estate | 1954 |
| Watervale Group Limited | Extraterritorial | 2022 |
| Watervale Limited | Extraterritorial | 2022 |
| Watervale Technology Ltd | Information & communication | 2006 |
| Watling Lane Management Limited | Professional & scientific | 2024 |
| Watt N Earth Electrical Contractors Ltd. | Construction | 2019 |
| Wattfactory Ltd | Professional & scientific | 2025 |
| WAU Agency Holdings Ltd | Professional & scientific | 2021 |
| WAU Agency Ltd | Professional & scientific | 2021 |
| Wave Solutions Facilities Management Limited | Households | 2019 |
| WAX Aroma's Limited | Other services | 2016 |
| Wayfinders Warwickshire Ltd | Education | 2025 |
| Waygos (Builders & Contractors) Limited | Real estate | 1965 |
| WCS Properties Limited | Real estate | 2025 |
| WD Creative Ltd | Professional & scientific | 2023 |
| WE ARE Nameless Ltd | Professional & scientific | 2020 |
| WE ARE the Art Market Ltd | Arts & recreation | 2026 |
| WE ARE Truly Ltd | Professional & scientific | 2024 |
| WE Hire Cleaners UK Ltd | Administrative & support | 2026 |
| WE Train Anyone Ltd | Education | 2021 |
| Wealthstone Capital Limited | Financial services | 2025 |
| Wealthstone House Ltd | Real estate | 2025 |
| Wealthstone Management Limited | Real estate | 2025 |
| Wealthstone Properties LLP | | 2025 |
| Wear the Stars Ltd | Wholesale & retail | 2019 |
| WEARE4 Limited | Other services | 2024 |
| Webb Whitfield Psychology Services Ltd | Health & social care | 2018 |
| Webbs Bricklaying Contractors Limited | Construction | 2022 |
| Wedding Cars Leamington Spa Ltd | Transport & logistics | 2023 |
| Weeevolution Ltd | Professional & scientific | 2025 |
| Wegrow Advisory Limited | Professional & scientific | 2026 |
| Welcome Comfort Limited | Real estate | 2026 |
| Welcomechance Property Management Limited | Households | 1992 |
| Welconstruct UK Ltd | Construction | 2010 |
| Well Played Apoc Limited | Information & communication | 2017 |
| Well Played Games Limited | Information & communication | 2017 |
| Wellbeing Supports Community Interest Company | Health & social care | 2022 |
| Wellesbourne Services Ltd | Professional & scientific | 2026 |
| Wellfit Flooring Limited | Construction | 2015 |
| Wellington BMR Ltd | Professional & scientific | 2018 |
| Wellness Hot Tubs Ltd | Wholesale & retail | 2005 |
| Wellnessplus Limited | Administrative & support | 2016 |
| Wells Senior Limited | Professional & scientific | 2003 |
| West Country Biomass Limited | Energy | 2012 |
| West Midlands Construction & Maintenance Limited | Construction | 2025 |
| West Wind Strategic Limited | Professional & scientific | 2024 |
| Westmere Estates Ltd | Real estate | 2025 |
| Weston Dog Adventures Limited | Other services | 2025 |
| Weston Hall Farms Limited | Agriculture & fishing | 1997 |
| Weston Sands Limited | Construction | 2022 |
| Westport Management Services Ltd | Professional & scientific | 2024 |
| Wetherley Research Limited | Professional & scientific | 2019 |
| Wetwash Ltd | Administrative & support | 2025 |
| WH 505 Limited | Financial services | 2025 |
| WH Controls Limited | Professional & scientific | 2023 |
| What the PUP Ltd | Other services | 2020 |
| WHAT360 Ltd | Information & communication | 2024 |
| Wheb Ltd | Hospitality | 2026 |
| Which Franchise Limited | Information & communication | 1999 |
| Whispering Willow Ltd | Wholesale & retail | 2026 |
| Whitbrook Development & Architecture Limited | Professional & scientific | 2024 |
| Whitbrook Property Group Limited | Real estate | 2024 |
| White Brick Management Central Limited | Real estate | 2019 |
| White Commercial Limited | Real estate | 1998 |
| White Commercial Surveyors Limited | Professional & scientific | 2008 |
| White Hot Games Limited | Information & communication | 2018 |
| White House Occupational Health and Wellbeing Limited | Health & social care | 2023 |
| White Lion Exploration Ltd | Financial services | 2018 |