| Vyaspcak Ltd | Professional & scientific | 2026 |
| Vzion Ltd | Information & communication | 2010 |
| W & B Food and Beverage Ltd | Hospitality | 2022 |
| W a Building Projects Ltd | Construction | 2018 |
| W a Consultancy Limited | Professional & scientific | 2015 |
| W B Liverpool Limited | Education | 2005 |
| W Brooks Ltd | Administrative & support | 1994 |
| W Howard Group Holdings Limited | Financial services | 2024 |
| W Howard Group Ltd | Professional & scientific | 2001 |
| W Howard Investment Holdings Limited | Financial services | 2024 |
| W Howard Investments Limited | Real estate | 2013 |
| W K Rigging Limited | Professional & scientific | 2018 |
| W M R Integrated Ltd | Water & waste | 2024 |
| W Maher & Sons (Excavations) Limited | Construction | 2018 |
| W Maher (2024) Ltd | Water & waste | 2024 |
| W&A Taylor Ltd | Administrative & support | 2020 |
| W. Howard Limited | Manufacturing | 1970 |
| W. Maher & Sons Limited | Construction | 1974 |
| W. Maher (Aggregates) Limited | Mining & quarrying | 1994 |
| W. Maher (Excavation) Limited | Extraterritorial | 1984 |
| W.A. Joinery (Warrington) Limited | Construction | 2008 |
| W.H.N.M Limited | Hospitality | 2017 |
| W.I.C. Contracting Limited | Construction | 2010 |
| W.J. Furse & Co Limited | Manufacturing | 1995 |
| W.P.D Property Investments Group Ltd | Real estate | 2021 |
| W5 Management Services Ltd | Professional & scientific | 2010 |
| W8 Engineering Ltd | Administrative & support | 2025 |
| W8 Solutions Ltd | Administrative & support | 2018 |
| WA Callaghan Ltd | Professional & scientific | 2022 |
| WA Car Parts Limited | Wholesale & retail | 2024 |
| WA2 Cafe Ltd | Hospitality | 2026 |
| WA2 Fastfood Ltd | Hospitality | 2026 |
| WA2 Marketing Limited | Professional & scientific | 2004 |
| WA4 Healthcare Limited | Health & social care | 2026 |
| WA4 Mortgages Limited | Financial services | 2015 |
| WA5 Marketing Group Ltd | Administrative & support | 2025 |
| Wabmc Limited | Administrative & support | 2023 |
| Wadaro Limited | Information & communication | 2022 |
| Wadeys Wheels Ltd | Wholesale & retail | 2025 |
| Wagc Engineering Limited | Professional & scientific | 2023 |
| Wagging Tails Trails KB Ltd | Other services | 2025 |
| Wain Estates (Carrington) Limited | Real estate | 2013 |
| Wain Estates (Land) Limited | Real estate | 2011 |
| Wain Estates (Property) Limited | Real estate | 2005 |
| Wain Estates Limited | Financial services | 2008 |
| Wain Group Limited | Financial services | 2005 |
| Wain Homes (North West) Limited | Construction | 2003 |
| Wain Homes (Severn Valley) Limited | Construction | 1999 |
| Wain Homes Limited | Construction | 2001 |
| Wais Corporation Ltd | Real estate | 2022 |
| WAL Property Holdings Ltd | Real estate | 2025 |
| Walczak Property Developments Ltd | Construction | 2020 |
| Walden Solutions Ltd | Professional & scientific | 2019 |
| Walker Begley EOT Limited | Professional & scientific | 2024 |
| Walker Begley Limited | Professional & scientific | 2010 |
| Walker Begley UK Limited | Professional & scientific | 2024 |
| Walkpad Limited | Transport & logistics | 1982 |
| Wall Print Boss Ltd | Construction | 2026 |
| Wallace Cameron International Limited | Professional & scientific | 2023 |
| Wallace Cameron Training Limited | Wholesale & retail | 2004 |
| Wallace Interiors Ltd | Construction | 2013 |
| Walnut Workshop Limited | Manufacturing | 2024 |
| Walpole Gill Consulting Limited | Professional & scientific | 2016 |
| Walsh & Co. Ltd | Health & social care | 2019 |
| Walsh Consulting Ltd | Professional & scientific | 2025 |
| Walthamshow Limited | Extraterritorial | 2020 |
| Walton LEA Partnership Limited | Agriculture & fishing | 2001 |
| Walton Turf Supplies Ltd | Administrative & support | 2025 |
| Wanderers Sports TV Ltd | Arts & recreation | 2023 |
| Wanderers TV Ltd | Arts & recreation | 2023 |
| Wansbeck Engineering Ltd | Administrative & support | 2024 |
| Warby's WG Limited | Professional & scientific | 2024 |
| Ward Lawson & Commercial Limited | Administrative & support | 2008 |
| Wardells Design Limited | Construction | 2019 |
| Wardlaw Consulting Limited | Administrative & support | 2013 |
| Wards Windows (Warrington) Ltd | Construction | 2005 |
| Waredox Limited | Information & communication | 2015 |
| Warehouse Crew UK Limited | Administrative & support | 2026 |
| Warmways Limited | Real estate | 1977 |
| Warood Limited | Wholesale & retail | 2025 |
| Warp Control Systems Ltd | Administrative & support | 2026 |
| Warpstone Limited | Administrative & support | 2025 |
| Warren Holiday Lets Ltd | Real estate | 2023 |
| Warren Preschool Limited | Education | 2014 |
| Warren's & Warren's Ltd | Professional & scientific | 2013 |
| Warrens Warehousing Group Limited | Extraterritorial | 2009 |
| Warrens' Warehousing & Distribution (Midlands) Limited | Transport & logistics | 1992 |
| Warrington & District Society for Deaf People | Health & social care | 2002 |
| Warrington 2000+ | Administrative & support | 1985 |
| Warrington Aesthetics and Skin Limited | Health & social care | 2025 |
| Warrington Airsoft Retail Ltd | Wholesale & retail | 2025 |
| Warrington Ales Ltd | Manufacturing | 2026 |
| Warrington and District Rifle and Pistol Club Limited | Arts & recreation | 2017 |
| Warrington and Knutsford Junior Cricket Ltd | Education | 2025 |
| Warrington Appliance Centre Limited | Wholesale & retail | 1992 |
| Warrington Beauty Training Clinic Ltd | Other services | 2019 |
| Warrington Best Ltd | Hospitality | 2025 |
| Warrington Blinds Direct Limited | Wholesale & retail | 2011 |
| Warrington Borough Transport Limited | Transport & logistics | 1986 |
| Warrington Bulk Bags Ltd | Manufacturing | 2013 |