| Wink Emporium Ltd | Manufacturing | 2021 |
| Wink Tech Ltd | Construction | 2023 |
| Winston Smith Human Capital Ltd | Professional & scientific | 2025 |
| Winterburn Consultancy Limited | Professional & scientific | 2022 |
| Winterflood Limited | Financial services | 2012 |
| Winton-Norman Holdings Ltd | Professional & scientific | 2017 |
| Wirewave Solutions Ltd | Information & communication | 2026 |
| Wirsol Energy Limited | Construction | 2014 |
| Wise Marquees Ltd | Other services | 2014 |
| Wise Wedding Venue Limited | Hospitality | 2011 |
| Wiseman Physiotherapy Ltd | Health & social care | 2022 |
| Wish Valley Mews Properties Company Limited | Households | 2014 |
| Wishanger Consultants Limited | Professional & scientific | 2020 |
| Wishanger Enterprises LLP | | 2020 |
| Wishbone Consulting Limited | Households | 2013 |
| Wisque Limited | Professional & scientific | 2014 |
| WIT Business Link Limited | Administrative & support | 2017 |
| With an I Productions Ltd | Information & communication | 2014 |
| Withersoft Limited | Information & communication | 2018 |
| Withyham Parish Community Interest Company | Wholesale & retail | 2020 |
| Wizard Consulting Ltd | Administrative & support | 2014 |
| WKF Consultants Ltd | Professional & scientific | 2022 |
| WMA Foods Ltd | Hospitality | 2024 |
| Wolfit the Pet Shop Limited | Wholesale & retail | 2014 |
| Wolfskill Limited | Information & communication | 2011 |
| Women Travel Leaders Ltd | Other services | 2023 |
| Women’S Policy Centre Think Tank Ltd | Other services | 2024 |
| Wonacy Limited | Construction | 2025 |
| Wonderful Life Films Ltd | Information & communication | 2025 |
| Wood & Pilcher Group Limited | Real estate | 2010 |
| Wood & Pilcher Land & New Homes LLP | | 2013 |
| Wood & Pilcher Tunbridge Wells Limited | Real estate | 2010 |
| Wood-Knit-Bee Ltd | Extraterritorial | 2012 |
| Woodbury Close Residents Association Limited | Administrative & support | 1976 |
| Woodbury Park Road Management Company Limited | Households | 1981 |
| Woodcraft Design Ltd | Construction | 2018 |
| Woodland Close Residents Association Limited | Households | 1965 |
| Woodland Venture Sussex Ltd | Education | 2016 |
| Woodlands KOI Farm Ltd | Agriculture & fishing | 2023 |
| Woodpecker Court Management Company Limited | Households | 1988 |
| Woods Body Repair Ltd | Wholesale & retail | 2022 |
| Woodwork Traditional Handmade Furniture Limited | Manufacturing | 1999 |
| Woodworx Productions Ltd | Arts & recreation | 2023 |
| Woollyvision Ltd | Information & communication | 2016 |
| Woolwich Phase 5 Management Company Limited | Households | 2007 |
| Word & Time Limited | Wholesale & retail | 2025 |
| Worden Farming Limited | Agriculture & fishing | 1997 |
| Work Adjust Ltd | Administrative & support | 2021 |
| Workfitplus Ltd | Health & social care | 2025 |
| Workforce Recruitment Limited | Administrative & support | 2020 |
| Working Together Limited | Professional & scientific | 2023 |
| Workplace Asset Management Ltd | Professional & scientific | 2026 |
| Workplace Collaborations Limited | Administrative & support | 2015 |
| Workshop NO2 Ltd | Professional & scientific | 2026 |
| World Excellence Awards Limited | Administrative & support | 2014 |
| World Food Tunbridge Wells Ltd | Wholesale & retail | 2025 |
| World-Wide Travel Insurance Services Ltd. | Financial services | 1992 |
| Worldwide IT Consulting Ltd | Professional & scientific | 2012 |
| Worsell Electrical Limited | Extraterritorial | 2018 |
| Wrender Limited | Information & communication | 2011 |
| Wright AI Ltd | Information & communication | 2020 |
| Wright Facilities Limited | Real estate | 2013 |
| WRW Global Limited | Water & waste | 2017 |
| Wser Ltd | Professional & scientific | 2020 |
| Wussell Creative Limited | Administrative & support | 2018 |
| WW Landscapes Limited | Administrative & support | 2020 |
| Wwaves Limited | Information & communication | 2013 |
| WWM Properties Limited | Construction | 2020 |
| Wxtts Ltd | Information & communication | 2021 |
| Wy.Hp Ltd | Construction | 2023 |
| Wyatt Employment Law Limited | Professional & scientific | 2017 |
| Wychwood NO.2 (Crawley Down) Management Company Ltd. | Households | 2020 |
| Wyck Consultancy Limited | Professional & scientific | 2012 |
| Wynters Whisky Limited | Wholesale & retail | 2024 |
| WYX Limited | Real estate | 2014 |
| X Percent Ventures Ltd | Information & communication | 2024 |
| Xavier Property Limited | Extraterritorial | 2018 |
| Xavier(Kent) Ltd | Health & social care | 2019 |
| Xbowsboutiquex Ltd | Wholesale & retail | 2025 |
| Xcell Aerial Surveys Limited | Information & communication | 2014 |
| Xeio Ltd | Information & communication | 2012 |
| XJS Consulting Limited | Administrative & support | 2026 |
| Xoncomms Ltd | Information & communication | 2011 |
| XSC Group Ltd | Information & communication | 2021 |
| Xsupra Ltd | Information & communication | 2021 |
| Xy&Z Ltd | Arts & recreation | 2000 |
| YADZ65 Ltd | Information & communication | 2026 |
| Yamaneko Risk Consulting Limited | Professional & scientific | 2025 |
| Yarders Cladders Limited | Construction | 2022 |
| Yardstick Business Solutions Limited | Information & communication | 1999 |
| Yavari Investments Ltd | Real estate | 2019 |
| Yeastie Boys UK Ltd | Wholesale & retail | 2015 |
| Yehoda Medical Ltd | Health & social care | 2017 |
| Yellowstone Finance Limited | Professional & scientific | 2011 |
| Yeowart Agricultural Limited | Wholesale & retail | 2008 |
| YES Telecom Limited | Administrative & support | 2010 |
| YEW Tree Services Ltd | Real estate | 2023 |
| Yewtree Consultants Limited | Professional & scientific | 2012 |
| Ylbb Limited | Information & communication | 2012 |
| Ymca West Kent | Hospitality | 1990 |