| Wellspring Developments Ltd | Real estate | 1999 |
| Welltherm Drilling Ltd | Construction | 2012 |
| Wellway Court (Management) Limited | Administrative & support | 1996 |
| Welnido Limited | Information & communication | 2025 |
| Welwitschia Catering Ltd | Hospitality | 2025 |
| WEM Marine Ltd | Transport & logistics | 2020 |
| Wemyss Bay Caravan Park Limited | Hospitality | 1969 |
| Wenbids Limited | Health & social care | 2026 |
| Wensleydale Park (Blyth) Management Company Limited | Households | 2013 |
| Wentworth James Ltd | Financial services | 2007 |
| Wenue Management Limited | Hospitality | 2020 |
| Wesellanycompany.Com Limited | Professional & scientific | 2016 |
| West 3 Franchising Ltd | Hospitality | 2025 |
| West 3 Leisure Ltd | Hospitality | 2021 |
| West Acorn Ltd | Real estate | 2023 |
| West Africa Subsea Services Limited | Construction | 2016 |
| West Allotment Wildlings CIC | Arts & recreation | 2023 |
| West Autohaus Limited | Wholesale & retail | 2021 |
| West Automotive Limited | Wholesale & retail | 2015 |
| West Avenue Homes Ltd | Real estate | 2021 |
| West Community Support Services Limited | Health & social care | 2023 |
| West Denton Community Centre | Arts & recreation | 2013 |
| West Denton Indoor Bowls Club Limited | Arts & recreation | 2014 |
| West Duddo Tank Management Ltd | Water & waste | 2014 |
| West END Convenience Store Ltd | Wholesale & retail | 2020 |
| West END Family Health Limited | Health & social care | 2021 |
| West END Fast Food Ltd | Hospitality | 2019 |
| West END Grocery Shop Ltd | Wholesale & retail | 2018 |
| West END Property Services (Newcastle) Limited | Construction | 2007 |
| West END Schools Trust | Education | 2015 |
| West END SIT in Ltd | Hospitality | 2019 |
| West END Travels Newcastle Ltd | Administrative & support | 2023 |
| West Farm Court (Longbenton) Management Company Limited | Real estate | 2005 |
| West Farm Mews Management Limited | Households | 2012 |
| West Fenwick Management Company Limited | Households | 2013 |
| West House (Bamburgh) Limited | Households | 2000 |
| West Jesmond Tree Surgery Ltd | Agriculture & fishing | 2014 |
| West Market One Ltd | Hospitality | 2020 |
| West Mews Development Company Limited | Construction | 2021 |
| West Mews Management Company (Gosforth) Limited | Real estate | 2023 |
| West Middlesex Hospital Project Limited | Other services | 2000 |
| West Moor (Management) Limited | Real estate | 1999 |
| West Moor MOT Centre Limited | Wholesale & retail | 2001 |
| West Nautical Limited | Administrative & support | 2014 |
| West Newcastle Academy | Education | 2011 |
| West Park "B" Block 2 Management Limited | Real estate | 2006 |
| West Park "B" Management Limited | Real estate | 2004 |
| West Park Developments (North East) Limited | Construction | 2015 |
| West Powergrid Limited | Extraterritorial | 2011 |
| West Quarter Estate Management Company Limited | Real estate | 2003 |
| West Quarter Flat Management Company Limited | Real estate | 2003 |
| West Rainton Development Limited | Construction | 2024 |
| West Road Asian Sweet Centre Ltd | Hospitality | 2016 |
| West Slope Residencies Facilities Management Limited | Financial services | 2023 |
| West Slope Residencies Finance Limited | Financial services | 2023 |
| West Slope Residencies Holdings Limited | Financial services | 2023 |
| West Slope Residencies Limited Liability Partnership | | 2023 |
| West Slope Residencies Partner Limited | Financial services | 2023 |
| West Stratford Developments Limited | Financial services | 2015 |
| West Waterlooville Developments Limited | Construction | 1995 |
| Westard Limited | Administrative & support | 2009 |
| Westbarnco Ltd | Wholesale & retail | 2017 |
| Westbids Ltd | Wholesale & retail | 2024 |
| Westbourne Estates Ltd | Real estate | 2026 |
| Westbury Dental Ltd | Health & social care | 2016 |
| Westcal Engineering Limited | Manufacturing | 1981 |
| Westeastbest Ltd | Wholesale & retail | 2020 |
| Westend Newcastle Barber Limited | Other services | 2016 |
| Westerhope ABC CIC | Education | 2023 |
| Westerhope Chef Limited | Hospitality | 2025 |
| Westerhope Golf Club Limited | Arts & recreation | 2005 |
| Westerhope Holdings Limited | Real estate | 2021 |
| Westerhope Limited | Health & social care | 2014 |
| Westerhope Motor Group Limited | Wholesale & retail | 2023 |
| Westerhope Nails Ltd | Other services | 2024 |
| Westerhope Roofing Company Ltd | Construction | 2025 |
| Westerhope Tyre & Battery Centre Ltd | Wholesale & retail | 2017 |
| Westerhope United C.I.C. | Arts & recreation | 2024 |
| Westerhope Village News Ltd | Wholesale & retail | 2014 |
| Western Drive (Newcastle) Maintenance Company Limited | Real estate | 1998 |
| Western Heritage Trading Ltd | Wholesale & retail | 2023 |
| Western Powergrid Limited | Extraterritorial | 2011 |
| Westernway Garage Ltd | Wholesale & retail | 2026 |
| Westers Ltd | Information & communication | 2022 |
| Westgate Apartment 1 Ltd | Hospitality | 2021 |
| Westgate Apartment 2 Ltd | Hospitality | 2021 |
| Westgate Apartment 3 Ltd | Hospitality | 2021 |
| Westgate Apartment 4 Ltd | Hospitality | 2021 |
| Westgate Apartment 5 Ltd | Hospitality | 2021 |
| Westgate Apartment 6 Ltd | Hospitality | 2021 |
| Westgate House NE Ltd | Hospitality | 2021 |
| Westgate Leisure North East Limited | Financial services | 2025 |
| Westgate Sports Limited | Wholesale & retail | 2009 |
| Westgate Travel Ltd | Transport & logistics | 2024 |
| Westlands Acquisitions Limited | Construction | 2003 |
| Westmark Properties Limited | Real estate | 2014 |
| Westminster Industrial Estates Limited | Real estate | 1989 |
| Westmoor Tandoori Ltd | Hospitality | 2026 |
| Westmoreland Aviation Limited | Administrative & support | 2025 |
| Westmorland RD Ltd | Real estate | 2026 |