| Watermill Mews Management Company Limited | Households | 2007 |
| Waterside Gate (Maidstone) Management Company Limited | Households | 2007 |
| Waterside Place (Staines) Residents Management Limited | Households | 1994 |
| Waterside Studio's Limited | Professional & scientific | 2022 |
| Waterwise Solutions Limited | Construction | 2009 |
| Waterworks Kent Ltd | Construction | 2020 |
| Watkins & Jacomb Engineering Ltd | Construction | 2025 |
| Watkins & Jacomb Jointing Limited | Construction | 2016 |
| Watson Heor Ltd | Professional & scientific | 2025 |
| Watson House Trading Ltd | Administrative & support | 2011 |
| Watson Mcdonald Limited | Administrative & support | 2006 |
| Watton at Stone Limited | Hospitality | 2019 |
| Watts Holdings Limited | Administrative & support | 2018 |
| Watts PMS Ltd | Construction | 2025 |
| Waverley Group Limited | Education | 2015 |
| Waverley Legal Limited | Professional & scientific | 2018 |
| Waverley Project Management Ltd. | Financial services | 2012 |
| Waverley Publications Limited | Information & communication | 2020 |
| Waxgold Limited | Extraterritorial | 1980 |
| Way of Success Ltd | Wholesale & retail | 2024 |
| WB Transport Ltd | Transport & logistics | 2024 |
| WBC Imports Limited | Wholesale & retail | 2016 |
| WCC Property Limited | Real estate | 2023 |
| WCN Publishing Ltd. | Information & communication | 2014 |
| WE ARE Scout Limited | Administrative & support | 2007 |
| WE Care Physiotherapy Ltd | Administrative & support | 2012 |
| WE Don'T Consult Ltd | Professional & scientific | 2025 |
| WE Guard Healthcare Ltd | Administrative & support | 2017 |
| WE Hang Christmas Lights UK Ltd | Construction | 2017 |
| WE Hang Event Lights UK Limited | Arts & recreation | 2022 |
| WE Offer Wellness Ltd | Health & social care | 2023 |
| WE Should Record This Agency Limited | Information & communication | 2026 |
| Weald Carpentry Limited | Manufacturing | 2017 |
| Weald Lift Services Limited | Manufacturing | 2015 |
| Weald of Kent Renovation Limited | Construction | 2009 |
| Wealden Pools Limited | Construction | 2006 |
| Wealden Recruitment Limited | Administrative & support | 2022 |
| Wealden Square (Lenham) Management Company Limited | Households | 2014 |
| Wealden Windows Ltd | Construction | 2021 |
| Wealdings Limited | Hospitality | 2021 |
| Wealth Holdings Consultancy Ltd | Professional & scientific | 2025 |
| Wealth Lynx Limited | Financial services | 2023 |
| Wealth Masters Group | Professional & scientific | 2018 |
| Wealth MAX Limited | Financial services | 2024 |
| Wealthway Property Group Ltd | Real estate | 2026 |
| Weatherley Fencing Limited | Extraterritorial | 2009 |
| Weathershield Solutions Ltd | Construction | 2018 |
| Weaverbird Holdings Limited | Real estate | 2019 |
| Weaverbird Two Holdings Limited | Financial services | 2024 |
| Weavering Consultants Limited | Professional & scientific | 2010 |
| Weavering Developments Ltd | Construction | 2016 |
| Weavering Investments Ltd | Real estate | 2020 |
| Web Logic Ltd | Transport & logistics | 2015 |
| Web Media Network Ltd | Information & communication | 1999 |
| Web Order Ltd | Information & communication | 2019 |
| Webb Tech Logistics Ltd | Manufacturing | 2022 |
| Webb's Ironmongery Stores (Tenterden) Limited | Wholesale & retail | 1950 |
| Webbs Logistics Consultancy Ltd | Professional & scientific | 2025 |
| Webcomm Limited | Information & communication | 1996 |
| Webexpand Limited | Administrative & support | 2008 |
| Webfoxmedia Ltd | Information & communication | 2013 |
| Webn Group (UK) Limited | Financial services | 2021 |
| Webster & Ashdown Homes Ltd | Construction | 2010 |
| Websyncpro Ltd | Information & communication | 2024 |
| Wecare Property Ltd | Real estate | 2017 |
| Weclick CIC | Administrative & support | 2024 |
| Wedding&Events by Easydine Ltd | Hospitality | 2022 |
| WEE Studio Ltd | Professional & scientific | 2026 |
| Weird Tech Friend Ltd | Wholesale & retail | 2025 |
| Weiss Kent Ltd | Professional & scientific | 2019 |
| Welborn Estates Limited | Real estate | 2017 |
| Welborn Investments Limited | Real estate | 2022 |
| Welborn Properties Limited | Real estate | 2001 |
| Welch Marketing Ltd | Professional & scientific | 2021 |
| Weldoc Engineering Limited | Manufacturing | 2010 |
| Wellbeing - Skills & Therapy Limited | Health & social care | 2016 |
| Wellbeing and Change Ltd | Health & social care | 2014 |
| Wellbeing Holdings (Kent) Limited | Professional & scientific | 2014 |
| Wellbeing People Ltd | Health & social care | 2011 |
| Wellbeingpro Ltd | Other services | 2011 |
| Wellcasa Ltd | Households | 2026 |
| Wellington Wholesale Ltd | Wholesale & retail | 2024 |
| Wellness Aspire Company Limited | Other services | 2024 |
| Wellness Therapy Limited | Health & social care | 2022 |
| Wells Carpentry & Construction Limited | Construction | 2018 |
| Wells Consulting Ltd | Information & communication | 2025 |
| Wells Investment Property Limited | Real estate | 2024 |
| Wells Mechanical & Electrical Ltd | Construction | 2023 |
| Wellsbridge Estates Limited | Real estate | 2017 |
| Welman Construction & Electrics Ltd | Construction | 2022 |
| Wendovo Ltd | Information & communication | 2024 |
| Wesams Ltd | Real estate | 2022 |
| Wessex a P I Limited | Administrative & support | 2011 |
| Wessex Active Substances Limited | Extraterritorial | 2015 |
| Wessex Fine Chemicals Limited | Wholesale & retail | 1994 |
| West Flooring Ltd | Construction | 2023 |
| West Hill Road (57/59 and 61) Residents Company Ltd. | Households | 1995 |
| West Holdco Limited | Financial services | 2024 |
| West Kent Anaesthetic Group LLP | | 2018 |
| West Sole Fencing Company Limited | Administrative & support | 2006 |