| Vsva.Sm Co., Limited | Wholesale & retail | 2015 |
| VTC (Cambridge) Ltd | Professional & scientific | 2013 |
| Vulcan Retail Ltd | Wholesale & retail | 2025 |
| Vulnmachines Ltd | Information & communication | 2022 |
| Vurchoo Ltd | Wholesale & retail | 2013 |
| Vvipretail Ltd | Wholesale & retail | 2020 |
| Vvvisible Media Ltd | Financial services | 2025 |
| Vyenter Ltd | Professional & scientific | 2021 |
| Vynestra Limited | Arts & recreation | 2022 |
| Vzav Limited | Administrative & support | 2025 |
| W & G Holdings Ltd | Professional & scientific | 2017 |
| W & P Blinds Ltd | Manufacturing | 2009 |
| W & S K Ltd. | Health & social care | 2004 |
| W & W Taylor Limited | Construction | 2003 |
| W J Lagrue Limited | Real estate | 2018 |
| W L Developments (Essex) Ltd | Construction | 2019 |
| W P Network Company Limited | Information & communication | 2025 |
| W T Ollington Services Ltd | Construction | 2017 |
| W.A.Mcmillan Limited | Real estate | 1954 |
| W.E. Creek and SON (Farms) Limited | Agriculture & fishing | 1974 |
| W.M.Bell & Company Limited | Real estate | 1957 |
| Waat Trade Ltd | Wholesale & retail | 2025 |
| Wabdesign Ltd | Information & communication | 2026 |
| Wacky Hairco Ltd | Other services | 2012 |
| Wacq Ltd | Wholesale & retail | 2025 |
| Wade Gledhill Holdings LLP | | 2024 |
| Wade Gledhill Management Limited | Real estate | 2024 |
| Wade Gledhill Properties LLP | | 2024 |
| Wadsworth 3D Ltd | Professional & scientific | 2006 |
| Wafandun Management Company Limited | Households | 2021 |
| Wafandun Two Management Company Limited | Households | 2021 |
| WAGGON24 Limited | Hospitality | 2023 |
| Waggys Dog Boarding and Day Care Ltd | Administrative & support | 2022 |
| Wagner Property Investments Ltd | Real estate | 2020 |
| WAI3 Limited | Information & communication | 2025 |
| Wakeston Ltd | Real estate | 2026 |
| Wakii Systems Ltd | Financial services | 2025 |
| Walden Precision Apparatus Limited | Manufacturing | 1966 |
| Waldringfield HUT Owners Limited | Households | 2001 |
| Walero Limited | Wholesale & retail | 2012 |
| Walia Export and Import Ltd | Wholesale & retail | 2024 |
| Walk Mile Global School Co., Ltd. | Administrative & support | 2024 |
| Walker Associates Cambridge Limited | Professional & scientific | 2011 |
| Walkers Service Limited | Administrative & support | 2012 |
| Walkey Group Limited | Wholesale & retail | 2025 |
| Walkhouse Limited | Real estate | 1999 |
| Walking Talking Tours Ltd | Administrative & support | 2020 |
| Walkinshaw Limited | Extraterritorial | 2026 |
| Wallace Developments Cambridge Ltd | Construction | 2014 |
| Wallace Estates Limited | Real estate | 2001 |
| Wallace Partnership Group Limited | Real estate | 2011 |
| Wallace Partnership Reversionary Group Holdings Limited | Real estate | 2011 |
| Walnut Commerce Ltd | Professional & scientific | 2021 |
| Walnut Tree Farm Estates Limited | Hospitality | 2022 |
| Walnut Tree Software Ltd | Information & communication | 2017 |
| Walrus Pubs Limited | Hospitality | 2025 |
| Walsworth Road Hitchin Management Limited | Households | 2003 |
| Waltham Chase NO.1 Residents Company Limited | Households | 1992 |
| Walthew Investments Ltd. | Real estate | 2013 |
| Walthew Leisure Ltd. | Arts & recreation | 2016 |
| Walyoung Electronic Technology Co., Ltd | Wholesale & retail | 2024 |
| WAN Long Ltd | Wholesale & retail | 2025 |
| Wangguiren Group Ltd | Professional & scientific | 2022 |
| Wanrong Industry and Engineering Limited | Manufacturing | 2017 |
| Wansbeck Regeneration Limited | Real estate | 2025 |
| Wanxiang 123 Ltd. | Manufacturing | 2024 |
| Waples Machine Ltd | Manufacturing | 2020 |
| Ward Griffin LLP | | 2020 |
| Ward HR Consulting Ltd | Professional & scientific | 2014 |
| Ward Solutions Ltd | Construction | 2009 |
| Ward Thomas Limited | Manufacturing | 2003 |
| Ward Training Ltd | Public administration | 2022 |
| Wardany Medical Ltd | Health & social care | 2023 |
| Wardensail Ltd | Professional & scientific | 2006 |
| Wardley Property Developments Limited | Construction | 2017 |
| Warebee Ltd | Information & communication | 2022 |
| Warish Hall Management Company Limited | Real estate | 2026 |
| Warkworth Lodge (Cambridge) Management Company Limited | Households | 2024 |
| Warkworth Towers Limited | Real estate | 2013 |
| Waromir Ltd | Manufacturing | 2023 |
| Warrior Monk Limited | Administrative & support | 2025 |
| Warwick Lodge (Twickenham) RTM Ltd | Households | 2014 |
| Washingford Bridge Limited | Wholesale & retail | 2019 |
| Water Lane (Steeple Bumpstead) LLP | | 2016 |
| Water Lane 2 Nominees Limited | Financial services | 2011 |
| Water Lane 3 Nominees Limited | Financial services | 2012 |
| Water Lane 4 IP Limited | Financial services | 2017 |
| Water Lane 6 SF Limited | Professional & scientific | 2019 |
| Water Lane Tech Ltd | Professional & scientific | 2019 |
| Water Sensitive Cambridge CIC | Professional & scientific | 2023 |
| Water View Cambridge Limited | Real estate | 2005 |
| Waterbeach and Landbeach Action for Youth | Health & social care | 2002 |
| Waterbeach Associates Limited | Professional & scientific | 2017 |
| Waterbeach Brewery TAP Ltd | Hospitality | 2024 |
| Waterbeach Hospitality Limited | Hospitality | 2019 |
| Waterbeach Instruments Limited | Wholesale & retail | 1988 |
| Waterbeach Land Ltd | Real estate | 2020 |
| Waterbeach NO.1 Management Company Limited | Real estate | 1993 |
| Waterbeach Residents Management Company Limited | Households | 2024 |
| Waterbeach TBT Limited | Hospitality | 2025 |