| Vulcan Renewables Limited | Agriculture & fishing | 2011 |
| Vulsana UK Limited | Professional & scientific | 2024 |
| Vycel Group Limited | Wholesale & retail | 2020 |
| Vyking Limited | Information & communication | 2017 |
| VZX Consultancy Limited | Extraterritorial | 2020 |
| VZX Exec Limited | Extraterritorial | 2020 |
| W Finance Limited | Professional & scientific | 2017 |
| W R T L Exterior Lighting Limited | Extraterritorial | 1999 |
| W&G Group Limited | Mining & quarrying | 2015 |
| W. H. Leech & SON (Properties) Ltd | Administrative & support | 2011 |
| Waddilove Group Limited | Professional & scientific | 2017 |
| Waffles and Stuff (Broadwater) Ltd | Hospitality | 2025 |
| Waite Property Investments Limited | Hospitality | 2024 |
| Wakelyn Ltd | Professional & scientific | 2021 |
| Walcot Yarns Limited | Wholesale & retail | 2017 |
| Walk in Foot Clinic Ltd | Health & social care | 2012 |
| Walker Writing Ltd | Information & communication | 2024 |
| Walker-Duncalf (Belper) Ltd | Real estate | 2019 |
| Walkies in Woking Ltd | Other services | 2020 |
| Walking Basketball Limited | Arts & recreation | 2014 |
| Walmersley Car Centre Ltd | Wholesale & retail | 2016 |
| Walnut Tree Accountancy Limited | Professional & scientific | 2025 |
| Walnut Tree Gardens Management Co. Limited | Households | 1994 |
| Walnut Unimart Ltd | Wholesale & retail | 2024 |
| Waltex (U.K.) Limited | Wholesale & retail | 1996 |
| Wamm Consulting Limited | Professional & scientific | 2016 |
| Wandrgem Ltd | Information & communication | 2026 |
| Wang HAI Long Limited | Wholesale & retail | 2014 |
| Wanstone International Limited | Information & communication | 2010 |
| Wardley Colquhoun Holdings Limited | Financial services | 2024 |
| Warley Thrift and Supply Limited | Manufacturing | 2023 |
| Warren Energy Limited | Energy | 2015 |
| Warren Garden Services (Southern) Ltd | Administrative & support | 2014 |
| Warren Homes & Property Services Limited | Real estate | 2021 |
| Warren Photographic Limited | Professional & scientific | 2011 |
| Warrenhurst (Guildford) Management Limited | Households | 1970 |
| WAS Deep Blue LP | | 2004 |
| Wasay Makaanak Ltd | Real estate | 2024 |
| Wastebuster CIC | Education | 2006 |
| Wastebusters Trading Limited | Wholesale & retail | 2023 |
| Watego Solutions Limited | Professional & scientific | 2021 |
| Watego UK Limited | Professional & scientific | 2014 |
| Water Hall Group PLC | Financial services | 1947 |
| Water Lane (Cobham) Limited | Construction | 2013 |
| Waterden Partners Ltd | Real estate | 2025 |
| Waterfall Hill Consulting Limited | Professional & scientific | 2007 |
| Watfd Services Limited | Professional & scientific | 2010 |
| Watts & Sons Roofing Ltd | Construction | 2019 |
| Watts Electrical Solutions Ltd | Construction | 2021 |
| Watts Gallery Trading Limited | Wholesale & retail | 2010 |
| Watts Gallery Trust | Arts & recreation | 2007 |
| Wave IT Solutions Limited | Information & communication | 2007 |
| Wave Therapeutics UK Ltd | Manufacturing | 2024 |
| Wavehil Limited | Professional & scientific | 2019 |
| Wavellite Group Limited | Education | 2018 |
| Wawconnect Ltd | Information & communication | 2017 |
| Way Spines Ltd | Health & social care | 2012 |
| Waymont Consulting Limited | Manufacturing | 2000 |
| WB Coffee Ltd | Hospitality | 2018 |
| WB2 Salon Ltd | Other services | 2024 |
| WDU Investments Limited | Real estate | 2025 |
| WE ARE Genie Ltd | Other services | 2024 |
| WE Design Homes (UK and Ireland) Ltd | Professional & scientific | 2021 |
| WE Like Good Brands Limited | Wholesale & retail | 2025 |
| Wealthology Ltd | Financial services | 2023 |
| Wearedoko Limited | Wholesale & retail | 2022 |
| Weatherall Enterprises Ltd | Information & communication | 2023 |
| Web Cookies Ltd | Information & communication | 2023 |
| Web Cottage Limited | Information & communication | 1996 |
| Webbfilm Ltd | Administrative & support | 2012 |
| Webbstreet Holdings Ltd | Administrative & support | 2024 |
| Webbworldwidefx Ltd | Financial services | 2015 |
| Websense SC Operations Limited | Information & communication | 2007 |
| Websters Estate Agents London Ltd | Real estate | 2013 |
| Webuild Athletics Ltd | Arts & recreation | 2022 |
| Wednesdays Productions Limited | Information & communication | 2018 |
| Weider Nutrition Group Limited | Professional & scientific | 1994 |
| Weider Nutrition Limited | Professional & scientific | 1995 |
| Weighton Investment Co. Limited | Professional & scientific | 1983 |
| Well @ Work Limited | Administrative & support | 2019 |
| Well Observed Limited | Information & communication | 2025 |
| Welland House Ltd | Construction | 2018 |
| Welland House Management Company Limited | Households | 2020 |
| Wellbeing Home Ltd | Other services | 2026 |
| Wellers Auctions Ltd | Wholesale & retail | 2011 |
| Wellers Court Property Management Company Limited | Administrative & support | 1996 |
| Wellers Fine Art Ltd | Extraterritorial | 2016 |
| Wellness With Cancer Ltd | Health & social care | 2026 |
| Wellshare Consulting Rooms Limited | Real estate | 2025 |
| Wemedia Trading Ltd | Wholesale & retail | 2020 |
| Wesley Foods Limited | Hospitality | 2023 |
| Wesource Care Ltd | Health & social care | 2025 |
| Wessex Leisure Limited | Wholesale & retail | 1980 |
| West Coast Property Co. Limited | Real estate | 2003 |
| West END Mortgage Services Limited | Financial services | 2002 |
| West Investment Company (Surrey) Limited | Construction | 1958 |
| West Mount Guildford Limited | Households | 1985 |
| West Pier Drinks Ltd | Manufacturing | 2019 |
| West Road Guildford Limited | Real estate | 2016 |
| West Sussex Hydrotherapy Ltd. | Professional & scientific | 2017 |