| Wickhambreaux Developments Limited | Construction | 2020 |
| Wide Eyes Falconry CIC | Education | 2019 |
| Wigmore Apartments Management Co Ltd | Households | 2006 |
| Wigmore Law Ltd | Professional & scientific | 2022 |
| Wild & Wise Collective Ltd | Manufacturing | 2025 |
| Wild About Ingredients Limited | Hospitality | 2012 |
| Wild Heart Circle C.I.C. | Hospitality | 2023 |
| Wild Hour Ltd | Information & communication | 2023 |
| Wild Societea Ltd | Wholesale & retail | 2025 |
| Wild With Wheels CIC | Professional & scientific | 2024 |
| Wilde Waste Management Limited | Water & waste | 2025 |
| Wilder Work Limited | Professional & scientific | 2023 |
| Wildflower Favours Ltd | Wholesale & retail | 2009 |
| Wildworks Consulting Limited | Administrative & support | 2003 |
| Will Peverett Ltd | Information & communication | 2019 |
| Will Smith Designs Ltd | Wholesale & retail | 2023 |
| Willesborough Fish & Chips Ltd | Hospitality | 2025 |
| Willesborough Windmill Enterprises Ltd | Arts & recreation | 2006 |
| Willesborough Windmill Trust | Arts & recreation | 1992 |
| Willett & Willett LLP | | 2005 |
| William Fraser (Kent) Limited | Information & communication | 2008 |
| William Fraser Consultancy Limited | Information & communication | 1999 |
| William Link (Plumbing & Heating) Limited | Construction | 2008 |
| William RAY Ltd | Information & communication | 2021 |
| Williams Design & Build Ltd | Construction | 2019 |
| Williams Environmental Group Limited | Other services | 2021 |
| Williams Environmental Limited | Professional & scientific | 2012 |
| Williams Environmental Logistical Solutions Limited | Professional & scientific | 2024 |
| Williams Group Properties Ltd | Real estate | 2020 |
| Williams Logistical Solutions Ltd | Transport & logistics | 2020 |
| Williamson House Ltd | Financial services | 2005 |
| Willow & Green Ltd | Water & waste | 2019 |
| Willow & I Limited | Real estate | 2018 |
| Willow Developments (Kent) Limited | Construction | 2005 |
| Willow Farm Residents Limited | Households | 1998 |
| Willow Wood Properties Limited | Construction | 2010 |
| Willow&Co Limited | Information & communication | 2023 |
| Willowbank Generation Limited | Professional & scientific | 2022 |
| Willowdean House Limited | Households | 2017 |
| Willows Training Academy Limited | Construction | 2025 |
| Wills and Legacies Ltd | Professional & scientific | 2023 |
| Willweld Limited | Manufacturing | 2003 |
| Wilsia Limited | Hospitality | 2018 |
| Wilson Landscapes Ltd | Administrative & support | 2019 |
| Wilson Mason Murrell Limited | Construction | 2025 |
| Wilsons Plumbing Heating GAS Limited | Construction | 2015 |
| Wincheap Properties Ltd | Real estate | 2026 |
| Windmill Grooming Ltd | Other services | 2023 |
| Windmill Pond Properties Limited | Real estate | 2015 |
| Window World of Kent Limited | Wholesale & retail | 2003 |
| Windsor Food Machinery Limited | Manufacturing | 2006 |
| Wine of WYE Ltd | Hospitality | 2025 |
| Wing Chun Kung FU Schools Ltd | Arts & recreation | 2007 |
| Wings Bar Ltd | Hospitality | 2024 |
| Wingspan Homes Limited | Real estate | 2016 |
| Wingss Ltd | Wholesale & retail | 2020 |
| Winora Ltd | Wholesale & retail | 2022 |
| Winser Graphics Consultants Ltd | Manufacturing | 2024 |
| Wintana Tyre Wholesale Ltd | Wholesale & retail | 2018 |
| Winter & Winter Limited | Construction | 2012 |
| Winter Hill PUB Co. Limited | Hospitality | 2021 |
| Winterhawk Consulting Limited | Information & communication | 2015 |
| WIS Contractor Mortgages Ltd | Financial services | 2018 |
| Wisdm Ltd | Information & communication | 2019 |
| Wisdom Locum Services Ltd | Health & social care | 2022 |
| Wise Bird Childcare Resources Limited | Other services | 2019 |
| Wise Choice Accountancy Limited | Professional & scientific | 2017 |
| Wise OWL TV Ltd | Information & communication | 2021 |
| Wise Tutoring (Kent) Ltd | Education | 2026 |
| Wishley Limited | Construction | 2014 |
| Wislak Ltd | Construction | 2025 |
| Wissenden Estates Limited | Construction | 1985 |
| Wisteria Property Developments Ltd | Real estate | 2024 |
| With My Dog Ltd | Information & communication | 2017 |
| WJB Holdings Limited | Financial services | 2025 |
| WJN Legal Limited | Administrative & support | 2025 |
| WKM Leisure Limited | Hospitality | 2005 |
| WN Shipping UK Limited | Transport & logistics | 2003 |
| Woden Consulting Ltd | Information & communication | 2020 |
| Woden Health Ltd | Wholesale & retail | 2024 |
| Wogan Property Ltd | Real estate | 2023 |
| WOJ Couriers Ltd | Transport & logistics | 2017 |
| WOK 4U Food Ltd | Hospitality | 2024 |
| Wolfftech Limited | Professional & scientific | 2016 |
| Wolfman Ltd | Administrative & support | 2011 |
| Wood N Ware CIC | Manufacturing | 2014 |
| Woodchurch Garage Holdings Limited | Financial services | 2024 |
| Woodchurch Garage Limited | Wholesale & retail | 1976 |
| Woodchurch Green Ltd | Real estate | 2015 |
| Woodchurch Homes Ltd | Construction | 2018 |
| Woodchurch Investments Ltd | Professional & scientific | 2018 |
| Woodchurch Property (Canterbury) Ltd | Construction | 2025 |
| Woodchurch Property Developments (BK ) Ltd | Construction | 2020 |
| Woodchurch Property Developments(Barnsole) Ltd | Construction | 2021 |
| Woodchurch Property Group Limited | Real estate | 2016 |
| Woodchurch Wine Estate Ltd | Agriculture & fishing | 2022 |
| Woodcote Business Consultancy Limited | Professional & scientific | 2022 |
| Woodcote Property Limited | Real estate | 2024 |
| Woodham Property Services Ltd | Construction | 2022 |
| Woodhousewoodchurch Ltd | Professional & scientific | 2025 |