| Wardalee Ltd | Wholesale & retail | 2026 |
| Warehouse Collective Limited | Education | 2022 |
| Waris Holdings Ltd | Other services | 2024 |
| Waritsara Studio Limited | Other services | 2024 |
| Warm Heating and Plumbing Ltd | Construction | 2023 |
| Warm Wings Care Ltd | Health & social care | 2025 |
| Warm Wings Group Ltd | Professional & scientific | 2022 |
| Warmhomesuk Limited | Construction | 2025 |
| Warraich Global Traders Limited | Wholesale & retail | 2025 |
| Warren Bros. and Cooke Limited | Real estate | 1930 |
| Warrior Garage Equipment Ltd | Manufacturing | 2026 |
| Warwick and Associates Ltd | Professional & scientific | 2011 |
| Warwick Investments (Oundle) Limited | Professional & scientific | 2026 |
| Wash & DRY Limited | Other services | 2014 |
| Wash a BIN Ltd | Administrative & support | 2025 |
| Wash and Go Peterborough Ltd | Administrative & support | 2021 |
| Wasiq Mirza Ltd | Real estate | 2023 |
| Wassab Limited | Wholesale & retail | 2023 |
| Watch Hub Holdings Ltd | Other services | 2020 |
| Watchdealersdirect Limited | Wholesale & retail | 2025 |
| Watches by SK Limited | Manufacturing | 2024 |
| Water & Well | Health & social care | 2013 |
| Water END Management Limited | Households | 1990 |
| Water Gardening Direct Limited | Wholesale & retail | 1999 |
| Water Reuse Limited | Extraterritorial | 2024 |
| Water-Lines Solutions Limited | Construction | 2003 |
| Waterbeach (Abbey Place) Residents Company Limited | Households | 2013 |
| Waterbeach Court Ltd | Hospitality | 2022 |
| Waterbeach Development Company LLP | | 2019 |
| Watermead Associates Ltd | Construction | 2015 |
| Waters Edge Residents (Wansford) Limited | Households | 2015 |
| Waterside Developments (Pentney) Limited | Real estate | 2004 |
| Waterside Garden Centre Limited | Wholesale & retail | 2007 |
| Watersreach (Hampton Vale) Management Company Limited | Households | 2007 |
| Waterville Associates Limited | Professional & scientific | 2002 |
| Waterville Developments Limited | Real estate | 1982 |
| Waterville Security Limited | Construction | 2017 |
| Watford Control Instruments Ltd | Manufacturing | 2016 |
| Watkins & Stafford,Limited | Real estate | 1928 |
| Watson & Barrie Limited | Construction | 2014 |
| Watson Holdings (UK) Limited | Real estate | 2016 |
| Wattiez Ltd | Real estate | 2021 |
| Watton Residents Company Limited | Households | 2010 |
| Waves Digital Audios Ltd | Wholesale & retail | 2024 |
| Wavetree Limited | Information & communication | 2015 |
| WB Executive Ltd | Transport & logistics | 2024 |
| Wbfw Management Company Limited | Households | 2023 |
| WCL Engineering Limited | Professional & scientific | 2011 |
| WDC Holding Limited | Financial services | 2005 |
| WE ARE the Digital Type Limited | Professional & scientific | 2019 |
| WE Build : NET Zero CIC | Construction | 2025 |
| WE Build Travel Ltd | Information & communication | 2024 |
| WE Buy ANY Coral Ltd | Wholesale & retail | 2026 |
| WE Define Travel Ltd | Professional & scientific | 2009 |
| WE Draw ANY CAD Ltd | Professional & scientific | 2020 |
| WE FIX ANY Car (Peterborough) Ltd | Wholesale & retail | 2018 |
| WE Like Stone Limited | Wholesale & retail | 2018 |
| WE Recover ANY Car 24/7 Ltd | Wholesale & retail | 2017 |
| WE Send Email Ltd | Professional & scientific | 2022 |
| WE Think Digital Ltd | Information & communication | 2015 |
| WE TOW ANY Car Ltd | Transport & logistics | 2021 |
| WE Train Ltd | Manufacturing | 2017 |
| We.Go Limited | Construction | 2019 |
| Weald & FEN Transport Limited | Transport & logistics | 2026 |
| Wealth Attainment Ltd | Financial services | 2024 |
| Wealth Creation Through Property Ltd | Financial services | 2025 |
| Wealth Mastery Ltd | Real estate | 2023 |
| Wealth Realtor Limited | Real estate | 2025 |
| Wealthline Limited | Financial services | 2013 |
| Wear Raphael Ltd | Wholesale & retail | 2019 |
| Wearwisegb Limited | Wholesale & retail | 2024 |
| Weavers Meadow Management Company Limited | Households | 2005 |
| Weavers Place North Tawton Management Company Limited | Households | 2022 |
| Web Consultants Limited | Information & communication | 1997 |
| Webb Click Ltd | Information & communication | 2026 |
| Webber & Partners Limited | Professional & scientific | 2021 |
| Weboon Limited | Wholesale & retail | 2025 |
| Webshelf Limited | Extraterritorial | 2002 |
| Websweep Limited | Wholesale & retail | 2008 |
| Webwood Ltd | Wholesale & retail | 2020 |
| Wedding Cars Peterborough Ltd | Transport & logistics | 2023 |
| Weeb EDU Limited | Administrative & support | 2024 |
| Weem Trans Ltd | Construction | 2019 |
| Wehrshah Ltd | Wholesale & retail | 2024 |
| Welbeck Services and MOT Ltd | Wholesale & retail | 2025 |
| Welcome Stables and Stud Limited | Agriculture & fishing | 2023 |
| Weles CAP Ltd | Construction | 2019 |
| Welfare Clean Ltd | Administrative & support | 2024 |
| Welficlean Ltd | Administrative & support | 2025 |
| Welford Residents Company Limited | Households | 2002 |
| Well and Balance Ltd | Other services | 2024 |
| Well Clean Services Limited | Administrative & support | 2025 |
| Well Dog Hydrotherapy Ltd | Professional & scientific | 2025 |
| Well Skin Clinic Limited | Other services | 2011 |
| Well&Wildsoul Ltd | Wholesale & retail | 2025 |
| Welland Clinic Ltd | Health & social care | 2026 |
| Welland Minimart Ltd | Wholesale & retail | 2017 |
| Welland Quarter Management Company Limited | Households | 2009 |
| Welland Supplies Ltd. | Wholesale & retail | 2008 |
| Wellands Motors Ltd | Wholesale & retail | 2025 |