| West Avenue Homes Lettings Ltd | Real estate | 2020 |
| West Cheshire Expedition COM Ltd | Hospitality | 2023 |
| West Coast Conservatories Limited | | 1992 |
| West Derby Property Group Ltd | Households | 2026 |
| West END Point RTM Company Limited | Households | 2011 |
| West Hoyle Upvc Ltd | Construction | 2026 |
| West Kirby 4 Ltd | Wholesale & retail | 2025 |
| West Kirby Arts Centre Ltd | Arts & recreation | 2011 |
| West Kirby Community Interest Company | Other services | 2019 |
| West Kirby Corporation Ltd. | Financial services | 2026 |
| West Kirby Delicacy Ltd | Hospitality | 2025 |
| West Kirby DRY Cleaning Ltd | Other services | 2003 |
| West Kirby Football Club Ltd | Arts & recreation | 2018 |
| West Kirby Grammar School | Education | 2011 |
| West Kirby Kitchen Ltd | Hospitality | 2024 |
| West Kirby Property Management Limited | Real estate | 2008 |
| West Wirral Brickwork & Building Contractors Ltd | Construction | 2020 |
| West Wirral Holdings Limited | Households | 2020 |
| West Wirral Services Ltd | Administrative & support | 2022 |
| Westbourne Hall Community Trust | Arts & recreation | 2010 |
| Westbourne Motors Limited | Wholesale & retail | 1996 |
| Westbourne Park Medical Ltd | Health & social care | 2019 |
| Westbourne Tax Services Ltd | Professional & scientific | 2018 |
| Westbourne Tutors Limited | Education | 2022 |
| Westbury Change Management Limited | Professional & scientific | 2018 |
| Western Elixir Brands Limited | Wholesale & retail | 2024 |
| Western Sealants Ltd | Construction | 2024 |
| Westforce Ltd | Real estate | 1999 |
| Westhead Financial Planning Limited | Financial services | 2017 |
| Westheath Court Management Company Limited | Households | 1994 |
| Westlake Optical Limited | Professional & scientific | 2019 |
| Westlink Properties (Wirral) Limited | Real estate | 1999 |
| Westminster Property Group Ltd | Real estate | 2020 |
| Westmount Park (Vyner Road South) Management Company Limited | Households | 2014 |
| Westpoint Property Group Ltd | Real estate | 2025 |
| Westpoint Property Services Ltd | Real estate | 2019 |
| Westwoods (Noctorum) Management Co Limited (the) | Households | 1981 |
| Wethersfield House Management Limited | Households | 2022 |
| Wetrooms Online Ltd | Wholesale & retail | 2008 |
| WFB Maintenance Services North West Ltd | Construction | 2024 |
| WFB Properties Limited | Real estate | 2001 |
| WG Networks Limited | Information & communication | 2016 |
| WG Residential Limited | Extraterritorial | 2022 |
| WGC Windows Limited | Extraterritorial | 2006 |
| Whale Developments Ltd | Construction | 2023 |
| What Security Limited | Information & communication | 2018 |
| What the Feng Shui Ltd | Education | 2024 |
| What Works Psychology Limited | Health & social care | 2025 |
| What Would YOU Like to Have Happen? Limited | Health & social care | 2015 |
| Whatwouldcagedo Ltd. | Professional & scientific | 2015 |
| Wheel Giants Ltd | Wholesale & retail | 2025 |
| Wheels & Wings Accessible Travel Ltd | Administrative & support | 2025 |
| Whetstone Advisers Limited | Financial services | 2012 |
| WHF Limited | Real estate | 2022 |
| Whieldons Butchers Ltd | Wholesale & retail | 2012 |
| Whiskers & Wellness Ltd | Professional & scientific | 2025 |
| Whispering Sand Holdings Limited | Real estate | 2022 |
| Whistle Enterprise Limited | Hospitality | 2025 |
| Whistling Duck Studio Ltd | Professional & scientific | 2025 |
| White Glover Ltd | Information & communication | 2013 |
| White Knight Staffing Solutions Limited | Administrative & support | 2024 |
| White Label Chemicals Limited | Manufacturing | 2017 |
| White Marketing Limited | Professional & scientific | 2008 |
| White Rose Living Ltd | Real estate | 2019 |
| White Stack Close Management Company Ltd | Households | 2022 |
| White Star Productions Ltd | Information & communication | 2018 |
| White Weft Limited | Professional & scientific | 2015 |
| Whitefield Homes Ltd. | Construction | 2016 |
| Whiteking Construction Ltd | Construction | 2016 |
| Wholistic Living Ltd | Health & social care | 2023 |
| Whoopba Technologies Limited | Information & communication | 2026 |
| Whyte Admiral Ltd | Other services | 2012 |
| WIB Roofing and Renovations Limited | Construction | 2025 |
| Wilburywhippet.Com Ltd | Wholesale & retail | 2025 |
| Wilcor Services Ltd | Professional & scientific | 2021 |
| Wilcox Deal Sourcing Ltd | Administrative & support | 2024 |
| Wild Acre Property Ltd | Real estate | 2025 |
| Wild Damson Ltd | Administrative & support | 2017 |
| Wild Earth Online Limited | Wholesale & retail | 2020 |
| Wild Geese Legal Consultancy Limited | Professional & scientific | 2015 |
| Wild Pear Organics Ltd | Manufacturing | 2026 |
| Wild Python Programming Ltd | Information & communication | 2018 |
| Will Cummins Ltd | Information & communication | 2015 |
| Willaston Green Mews Management Company Limited | Real estate | 1983 |
| Willbuck Limited | Professional & scientific | 2002 |
| William Bradshaw (Plant Hire & Contractors) Limited | Construction | 1946 |
| William Fitch Ltd. | Professional & scientific | 2016 |
| William Zollo Racing Limited | Other services | 2015 |
| Williams & Sons Renewables Limited | Professional & scientific | 2025 |
| Williams Birley Wealth Management LLP | | 2007 |
| Williams Civils Ltd | Construction | 2011 |
| Williams Consultants 1 Ltd | Professional & scientific | 2019 |
| Williams Estate Management Company Limited | Real estate | 2011 |
| Williams IT Consulting Limited | Information & communication | 2021 |
| Williams Wilson Holdings Ltd | Financial services | 2026 |
| Willis Capital Limited | Financial services | 2017 |
| Willmott Offshore Services Limited | Professional & scientific | 2025 |
| Willo Trading Ltd | Wholesale & retail | 2024 |
| Willowandcopetspa Ltd | Other services | 2025 |
| Willowbank Property Limited | Real estate | 1993 |