| Waystone Global Education Ltd | Education | 2024 |
| Wayte Binding Limited | Manufacturing | 1996 |
| Wbca Limited | Information & communication | 2018 |
| WE ARE Menos Limited | Wholesale & retail | 2021 |
| WE Fund Limited | Arts & recreation | 2010 |
| WE Glaze Ltd | Construction | 2018 |
| Weald Heating Limited | Construction | 2019 |
| Weald HG Limited | Households | 2024 |
| Weald of Kent Grammar School Academy Trust | Education | 2010 |
| Weald Property Management Ltd | Agriculture & fishing | 2019 |
| Weald Retirement Livery Limited | Agriculture & fishing | 2023 |
| Weald Ridge Advisory Limited | Professional & scientific | 2020 |
| Wealden Country Landcraft Limited | Administrative & support | 2011 |
| Wealden Escapes Limited | Hospitality | 2022 |
| Wealden Tea Box Limited | Wholesale & retail | 2024 |
| Weatherall Roofing Ltd | Construction | 2010 |
| Weatherall South Holdings Ltd | Financial services | 2025 |
| Weatherall South Properties Ltd | Professional & scientific | 2025 |
| Weatherwax Landscaping Limited | Administrative & support | 2021 |
| Webbs Orchard Management Company Limited | Real estate | 2006 |
| Webflow Ltd | Wholesale & retail | 2025 |
| Webology Limited | Information & communication | 1996 |
| Weddle & Co Limited | Other services | 2002 |
| Wehttam Developments Limited | Real estate | 2018 |
| WELL22.5 Ltd | Health & social care | 2025 |
| Wellbrook Motor Services Limited | Wholesale & retail | 2003 |
| Weller Accounting Services Limited | Professional & scientific | 2003 |
| Wellington Gardens (Southborough) Limited | Households | 2014 |
| Wellloss Global Ltd | Health & social care | 2025 |
| Wellness Anaesthetic Group LLP | | 2018 |
| Wellygoat Ltd | Wholesale & retail | 2025 |
| Wellzempic Global Ltd | Health & social care | 2025 |
| Wendy Prowse Limited | Health & social care | 2014 |
| Werepairuk Ltd | Financial services | 2019 |
| Wescape International Limited | Administrative & support | 2009 |
| Wessex Medical Group Ltd | Health & social care | 2023 |
| West Kent Breast Oncology Ltd | Health & social care | 2022 |
| West Kent Cars Ltd | Transport & logistics | 2018 |
| West Kent Community Coaching Limited | Arts & recreation | 2014 |
| West Kent Debt Advice | Health & social care | 2008 |
| West Kent Financial Consulting Limited | Professional & scientific | 2013 |
| West Kent Medical Ltd | Health & social care | 2020 |
| West Rhoden Ltd | Agriculture & fishing | 2022 |
| Westbourne Planning Services Ltd | Professional & scientific | 2017 |
| Westgate Communications Limited | Professional & scientific | 2002 |
| Westmount Packaging Limited | Administrative & support | 2014 |
| Westoak Homes Limited | Construction | 2012 |
| Wetherell Plumbing & Heating Ltd | Construction | 2023 |
| WGS Waste Management Limited | Water & waste | 2013 |
| WH & a Richardson (Properties) Limited | Construction | 1971 |
| WH Pubs Ltd | Hospitality | 2020 |
| WH the Bull Limited | Hospitality | 2025 |
| WH the Old Jail Limited | Hospitality | 2025 |
| What About the Kids Limited | Administrative & support | 2016 |
| What on Earth Magazines Ltd | Information & communication | 2021 |
| What on Earth Publishing (North America) Limited | Information & communication | 2016 |
| What on Earth Publishing Limited | Information & communication | 2010 |
| Whcric Limited | Hospitality | 2020 |
| Wheeler Engineering Ltd | Professional & scientific | 2022 |
| Wheeler Johnson Limited | Administrative & support | 2012 |
| White Atlas Real Estates Ltd | Real estate | 2019 |
| White Box SET Construction Limited | Construction | 2024 |
| White Elephant Fitness Ltd | Education | 2025 |
| White Spire Limited | Professional & scientific | 2006 |
| Whiteboard Learning Ltd | Education | 2024 |
| WHITEBOX3 Limited | Manufacturing | 2007 |
| Whitehill Childcare Services Limited | Education | 2002 |
| Whites Landscaping Ltd | Construction | 2022 |
| Whitgift Tax and Accounting Limited | Professional & scientific | 2021 |
| Whlbj Limited | Hospitality | 2020 |
| Whole of the Moon Marketing Ltd | Professional & scientific | 2021 |
| Wholistic Herbals Limited | Wholesale & retail | 2025 |
| Whrc Limited | Hospitality | 2020 |
| WHW Services Limited | Construction | 2015 |
| Wicked Academy Ltd | Arts & recreation | 2025 |
| Wicked Problems Ltd | Information & communication | 2023 |
| Wickmere Ltd | Information & communication | 2026 |
| Wieniawa Ltd | Financial services | 2024 |
| Wildi & Co Limited | Professional & scientific | 2026 |
| Wildi Associates Limited | Professional & scientific | 2003 |
| Will Buss Landscaping Limited | Administrative & support | 2025 |
| Willers Building Services Limited | Construction | 2019 |
| William Bennett Limited | Construction | 2024 |
| William Chaplin Limited | Agriculture & fishing | 1959 |
| William Gordon Countryside Services Ltd | Administrative & support | 2023 |
| William Knight & Co Ltd | Other services | 2015 |
| William SAM Limited | Real estate | 2018 |
| William Tyler & Co.,Limited | Real estate | 1939 |
| Williams Heating & Plumbing Limited | Construction | 2015 |
| Williams Heating & Plumbing Services Limited | Construction | 2017 |
| Williams Jackson Ltd | Professional & scientific | 2018 |
| Willis Bloom LLP | | 2018 |
| Willis-Owen Trading Ltd | Health & social care | 2023 |
| Willow Tree Medical Ltd | Education | 2018 |
| Willows Ices Limited | Hospitality | 2025 |
| Willowstone Solutions Group Limited | Construction | 2022 |
| Wilson Williams Behiels Limited | Real estate | 2016 |
| Wind Installations North Devon Limited | Extraterritorial | 2013 |
| Windmill Storage (Kent) Ltd | Real estate | 2009 |
| Windrose Capital Ltd | Other services | 2010 |