| Web Science Ltd | Wholesale & retail | 2023 |
| Web Spires Ltd | Information & communication | 2023 |
| Web Sports Management Ltd | Arts & recreation | 2020 |
| Web Universe Ltd | Information & communication | 2023 |
| WEB3 HR Ltd | Professional & scientific | 2022 |
| Webb Pages Limited | Information & communication | 2009 |
| Webcare Group Limited | Financial services | 2017 |
| Webicosoft UK Ltd | Wholesale & retail | 2024 |
| Webnetic Design Ltd | Professional & scientific | 2022 |
| Webnifty Ltd | Information & communication | 2023 |
| Webthrive Limited | Information & communication | 2025 |
| WED Kassala Limited | Administrative & support | 2026 |
| Wedigito Limited | Wholesale & retail | 2025 |
| Wednesday Corporate Strategy Limited | Professional & scientific | 2026 |
| WEE Haddie Limited | Professional & scientific | 2024 |
| Weee Collect IT Limited | Extraterritorial | 2009 |
| Weee Re-Use IT Limited | Extraterritorial | 2009 |
| Weicando Ltd | Wholesale & retail | 2023 |
| Weigh-Ahead Ukena Ltd | Information & communication | 2005 |
| Weitech Solutions Ltd | Information & communication | 2009 |
| Welch Mill Estates Limited | Real estate | 2006 |
| Welcome Stores (NW) Limited | Wholesale & retail | 2002 |
| Welcome Taverns Limited | Wholesale & retail | 2006 |
| Weld Road Management Company Limited | Real estate | 2011 |
| Welding & Cutting Limited | Wholesale & retail | 2011 |
| Well Field Co Limited(The) | Professional & scientific | 1954 |
| Well Good Water AID Community Interest Company | Education | 2015 |
| Well Spend Ltd | Real estate | 2026 |
| WELL8LIFESTYLE Ltd | Administrative & support | 2024 |
| Wellbeing in Mind Psychological Therapies Limited | Health & social care | 2024 |
| Wellbrook Ventures Limited | Wholesale & retail | 2009 |
| Wellfield Property Limited | Real estate | 2017 |
| Wellmont Collections Limited | Wholesale & retail | 2026 |
| Wellness & Smiles Ltd | Health & social care | 2025 |
| Wellness Day to Day Lifestyle Ltd | Wholesale & retail | 2019 |
| Wells & Co Holdings Ltd | Financial services | 2018 |
| Wells Electrical Contractors Ltd | Construction | 2006 |
| Wells Foreman Limited | Wholesale & retail | 2023 |
| Welocate Finance Limited | Financial services | 2017 |
| Welocate Limited | Real estate | 2016 |
| Werftek Limited | Professional & scientific | 2025 |
| Wes-Mo-Construction Limited | Construction | 2025 |
| Wesgas Limited | Construction | 2022 |
| Wesjoh Ltd | Information & communication | 2014 |
| Wesley Martin Hair Design Ltd | Other services | 2024 |
| Wesley Watson Services Limited | Transport & logistics | 2019 |
| West Counrty Pubs Ltd | Hospitality | 2025 |
| West Highland Consulting Limited | Professional & scientific | 2026 |
| West LPG Ltd | Other services | 2017 |
| West Pennine Caravans Ltd | Wholesale & retail | 2020 |
| West Pennine Properties LLP | | 2007 |
| West Pro Media Services Ltd | Information & communication | 2024 |
| Westbank PD Limited | Extraterritorial | 2006 |
| Westbridge Developments Limited | Construction | 1988 |
| Westbridge Hotel Limited | Hospitality | 2012 |
| Westcountry Flooring Limited | Construction | 2023 |
| Westerland Projects Limited | Information & communication | 2023 |
| Westfield Construction Ltd | Construction | 2019 |
| Westfrost Ltd | Wholesale & retail | 1996 |
| Westgate Property Holdings Limited | Real estate | 2020 |
| Westhoughton Alloy Wheel Refurbishment Ltd | Wholesale & retail | 2021 |
| Westhoughton Assist Service CIC | Other services | 2012 |
| Westhoughton Building Services Ltd | Construction | 2017 |
| Westhoughton Dog Park Limited | Wholesale & retail | 2017 |
| Westhoughton Dog Park Training Ltd | Other services | 2025 |
| Westhoughton Funeral Services Limited | Other services | 2012 |
| Westhoughton Golf Club Ltd | Arts & recreation | 2019 |
| Westhoughton Hardware & DIY Limited | Wholesale & retail | 2013 |
| Westhoughton Markets Ltd | Other services | 2016 |
| Westhoughton Polish Shop Ltd | Wholesale & retail | 2016 |
| Westhoughton Tyres Ltd | Wholesale & retail | 2017 |
| Westhoust Limited | Wholesale & retail | 2025 |
| Westlake Joinery Specialist Ltd | Construction | 2025 |
| Westley Knight Limited | Professional & scientific | 2017 |
| Westmarch Properties Ltd | Real estate | 2024 |
| Westmark Mortgages Ltd | Financial services | 2025 |
| Weston Power Electrical Services Ltd | Construction | 2024 |
| Weston S P Limited | Wholesale & retail | 2015 |
| Westpark (Bolton) Residents Management Limited | Hospitality | 2006 |
| Westpark Property (NW) Limited | Real estate | 2026 |
| Westpark Windows & Doors Ltd | Wholesale & retail | 2014 |
| Westroyd Care Limited | Health & social care | 2021 |
| Westshield Group Limited | Financial services | 2021 |
| Westshield Tunnelling and Utilities Limited | Construction | 2014 |
| Westside Deserts Limited | Manufacturing | 2022 |
| Westside Designs Limited | Manufacturing | 1994 |
| Westwell Property Group Limited | Real estate | 2022 |
| Westwood Enterprises (NW) Ltd | Professional & scientific | 1998 |
| Westwood Ranch Ltd | Construction | 2021 |
| WET & Wild Seafood and Meat Co Ltd | Manufacturing | 2026 |
| Wetherby Court (Horwich) Management Company Limited | Real estate | 2006 |
| Wetherlam Properties Limited | Real estate | 2021 |
| Wetpour Ltd | Construction | 2015 |
| Wetterau Limited | Real estate | 2021 |
| Wewellue Clinic Ltd | Health & social care | 2026 |
| WEZ Kelly Limited | Hospitality | 2022 |
| WFL Demolition Limited | Construction | 2003 |
| Whalley Systems Ltd | Information & communication | 2007 |
| Wharfside Business Park (Irlam) Management Company Limited | Real estate | 2006 |
| What Boxx Limited | Wholesale & retail | 2021 |