| Wash for YOU Warrington Ltd | Administrative & support | 2024 |
| Washy Medical Ltd | Health & social care | 2022 |
| WASPES3 Consulting Limited | Professional & scientific | 2024 |
| Wasps Care Ltd | Health & social care | 2014 |
| Wasps Link Clubs & Nurseries Limited | Health & social care | 2014 |
| Waste Wave Environmental Ltd | Water & waste | 2017 |
| Waste Wave Limited | Water & waste | 2016 |
| Watc Plus Ltd | Wholesale & retail | 2025 |
| Watchtrack Limited | Information & communication | 2019 |
| Water Horse Consulting Ltd | Professional & scientific | 2018 |
| Water House Physio Limited | Other services | 2021 |
| Watercress IT Limited | Information & communication | 2024 |
| Waterfield Engineering Services Limited | Administrative & support | 2015 |
| Waterfold Properties LLP | | 2004 |
| Waterfront Residents Management Company Limited | Households | 1999 |
| Waterman Locomotive Engineering Company Limited | Professional & scientific | 2022 |
| Watermark Services UK Limited | Administrative & support | 2015 |
| Waters Maher Automation Services Limited | Administrative & support | 2019 |
| Waterside Interim Ltd | Administrative & support | 2023 |
| Waterside Mews Management Company Limited | Administrative & support | 1997 |
| Waterside Projects & Development Ltd | Construction | 2022 |
| Waterthorpe Quality Consulting Limited | Administrative & support | 2019 |
| Watertrain Limited | Education | 2007 |
| WATERY1023 Ltd | Manufacturing | 2026 |
| Watford Lodge Holdco Limited | Energy | 2014 |
| Watford Lodge Wind Farm Ltd | Energy | 2012 |
| Watkinsonblack (Services) Ltd | Professional & scientific | 1999 |
| Watkinsonblack Ltd | Professional & scientific | 2013 |
| Watson Legal Reports Ltd | Professional & scientific | 2021 |
| Watsons Property (Holdings) Limited | Real estate | 2025 |
| Watsons Solicitors Warrington LLP | | 2013 |
| Watson’S Enterprises Ltd | Wholesale & retail | 2026 |
| Wattsup CCS Ltd | Information & communication | 2025 |
| Wattwatcher Ltd | Professional & scientific | 2024 |
| Wave Demolition Limited | Construction | 2023 |
| Wavecrest Consultancy Ltd | Administrative & support | 2023 |
| Waverley Energy Storage Limited | Energy | 2023 |
| Waverley Power Limited | Energy | 2023 |
| Waverley SPV1 Limited | Energy | 2025 |
| WAX & Shine Car Wash Valeting Ltd | Administrative & support | 2026 |
| Way Prop Ltd | Real estate | 2019 |
| Waybeyond IT Limited | Information & communication | 2011 |
| Wayne Bagnall Limited | Professional & scientific | 1999 |
| Wayne Jones Hair Studio Limited | Other services | 2004 |
| WB Caterers Ltd | Hospitality | 2012 |
| WB Drainage Ltd | Water & waste | 2019 |
| WB Holdings Ltd | Real estate | 2019 |
| WB1999 Limited | Professional & scientific | 2024 |
| WBC Birchwood Park Nominee 1 Limited | Construction | 2005 |
| WBC Birchwood Park Nominee 2 Limited | Construction | 2005 |
| WBC Birchwood Park UK Limited | Construction | 2005 |
| WBM Office Supplies Limited | Real estate | 1964 |
| WBP Group Limited | Real estate | 2019 |
| WBP Holdings Ltd | Real estate | 2018 |
| WCN Hospitality Ltd | Hospitality | 2026 |
| Wcsd Ltd | Wholesale & retail | 2023 |
| WD Plumbing and Heating Engineers Ltd | Construction | 2021 |
| WDO Distribution Ltd | Wholesale & retail | 2025 |
| Wdpaul Limited | Information & communication | 2018 |
| WE ALL Love Cake Limited | Hospitality | 2019 |
| WE ARE Civitas Ltd | Other services | 2020 |
| WE ARE Fizz Ltd. | Information & communication | 2018 |
| WE ARE Summit Ltd | Wholesale & retail | 2014 |
| WE ARE Wildflower Ltd | Arts & recreation | 2026 |
| WE ASK WHY Ltd | Information & communication | 2015 |
| WE Buy Properties (NW) Ltd | Households | 2021 |
| WE CAN Clean Limited | Other services | 2024 |
| WE Move ANY Bike Ltd | Transport & logistics | 2026 |
| WE Need Good Food Company Limited | Manufacturing | 2023 |
| WE Services Limited | Administrative & support | 1999 |
| We'Ve GOT Tonight Limited | Arts & recreation | 2018 |
| We-Virtual Engineering Consultants Ltd | Professional & scientific | 2024 |
| Wealth Design Holdings Limited | Financial services | 2019 |
| Wealth Mgmt Limited | Professional & scientific | 2022 |
| Wealth Social Media Ltd | Real estate | 2023 |
| Weathertrending Ltd | Information & communication | 2017 |
| Weaver Howard Ltd | Professional & scientific | 2008 |
| Weaver Trust Limited | Education | 2017 |
| Web Enable IT Limited | Information & communication | 2000 |
| Webb Fire & Security Systems Limited | Extraterritorial | 2015 |
| Webb Security Systems Ltd | Construction | 2004 |
| Webcom Engineering Ltd | Professional & scientific | 2023 |
| Webflux Limited | Information & communication | 2009 |
| Webramwell Consulting Limited | Information & communication | 2015 |
| Websketch Limited | Information & communication | 2015 |
| Webster Property Services Ltd. | Real estate | 2015 |
| Webster Talent Services Limited | Administrative & support | 2025 |
| WEC (Latchford) Limited | Wholesale & retail | 2016 |
| WEC (Warrington) Limited | Wholesale & retail | 2014 |
| Weddings by LA Beau Fleurs Ltd | Wholesale & retail | 2023 |
| Weddingstar Europe Limited | Professional & scientific | 2012 |
| Weddingstar Shop Europe Ltd | Wholesale & retail | 2010 |
| Wednesbury Power Ltd | Energy | 2014 |
| Welcare Secure Escorts Limited | Administrative & support | 2014 |
| Weld-Dan Limited | Administrative & support | 2025 |
| Welding Gases (UK) Ltd | Extraterritorial | 2014 |
| Welding Insight Ltd | Professional & scientific | 2017 |
| Well Commerce Ltd | Wholesale & retail | 2020 |
| Wellbeing Property Services Limited | Real estate | 2024 |
| Wellbeing Therapies Ltd | Other services | 2018 |