| W and B Civils Plant Ltd | Construction | 2022 |
| W D Hometech Ltd | Construction | 2023 |
| W E Barton (Plumbing & Heating) Limited | Construction | 2011 |
| W.J.Johnston Roofing & Property Maintenance Limited | Construction | 2024 |
| Wallace Radiology Limited | Health & social care | 2020 |
| Wallace View Caravan Park Limited | Hospitality | 2005 |
| Wallik Ltd | Wholesale & retail | 2026 |
| Walt's World Retail Ltd | Wholesale & retail | 2025 |
| Warpspeed Developments Limited | Professional & scientific | 2003 |
| Warwick School of Dance Limited | Arts & recreation | 2025 |
| Waste Water Solutions (Europe) Limited | Water & waste | 2015 |
| Watch Repair (UK) Limited | Other services | 2014 |
| Watchet Leisure Homes Limited | Hospitality | 2006 |
| Waternumbers Limited | Professional & scientific | 2018 |
| Waterside (Lancaster) Management Limited | Real estate | 2003 |
| Wattstop Limited | Information & communication | 2022 |
| Waymark Community CIC | Health & social care | 2022 |
| WBS Transport Ltd | Transport & logistics | 2016 |
| WE Make Good Ltd | Construction | 2023 |
| WE Make Things Limited | Wholesale & retail | 2025 |
| Webcrane Ltd | Information & communication | 2018 |
| Webqube Limited | Information & communication | 2010 |
| Well Done Software Ltd | Information & communication | 2016 |
| Wellington Crag Native Breeds Limited | Agriculture & fishing | 2022 |
| Wells Capital Limited | Financial services | 2017 |
| Wenningdale Leisure Limited | Arts & recreation | 2009 |
| Wenningdale Utilities Limited | Construction | 2024 |
| West Coast Contracting Ltd | Transport & logistics | 2013 |
| West Cumbrian Data & Analysis Ltd | Information & communication | 2017 |
| West END Theatre Events Ltd | Administrative & support | 2023 |
| West END Theatre Workshops Ltd | Arts & recreation | 2016 |
| West Lake East Ltd | Hospitality | 2018 |
| West Paint Solutions Ltd | Wholesale & retail | 2026 |
| West Shore Court Residents Limited | Households | 2015 |
| Westbourne Game Limited | Agriculture & fishing | 2019 |
| Westchem Services Limited | Water & waste | 2010 |
| Westfield WAR Memorial Village - Lancaster | Administrative & support | 1919 |
| Westgate Frozen Foods Limited | Manufacturing | 2003 |
| Westmorland Hotels Limited | Hospitality | 2009 |
| Westmorland Properties Ltd | Real estate | 2020 |
| Westralia Property Limited | Real estate | 2021 |
| Westwoods Management Company Limited | Households | 1991 |
| What the Pluck Ltd | Arts & recreation | 2023 |
| Wheatfield Street Management Company Limited | Households | 1994 |
| Wheels Turning Limited | Transport & logistics | 2015 |
| Whinney Hill Farm CIC | Professional & scientific | 2022 |
| Whitaker and Co North West Limited | Construction | 2025 |
| White Cross Holdings Limited | Professional & scientific | 2008 |
| White Lodge (Bowness) Limited | Hospitality | 2005 |
| White Pepper Kerala Store Ltd | Wholesale & retail | 2023 |
| White Tail Energy Ltd | Professional & scientific | 2021 |
| White Willows Beers, Wines and Spirits Limited | Wholesale & retail | 2007 |
| Whiterock Business and Travel Limited | Professional & scientific | 2023 |
| Whitmee Engineering Ltd | Manufacturing | 2009 |
| Whittet Wealth Management Ltd | Financial services | 2025 |
| Whizz Dance Limited | Arts & recreation | 2025 |
| Wholesale Strategy & Convenience Co Ltd | Other services | 2026 |
| Wiguho Ltd | Hospitality | 2017 |
| Wildlife Friendly Plants Limited | Agriculture & fishing | 2017 |
| Wildlife Wellbeing Walks CIC | Education | 2023 |
| Wilkinson Lettings Ltd | Hospitality | 2026 |
| Wilkorn Property Limited | Real estate | 2025 |
| Willen Tree Woodwork Ltd | Manufacturing | 2025 |
| Willerby Management Limited | Wholesale & retail | 2009 |
| Willotree Lodges Limited | Real estate | 2025 |
| Willow Wonderclub Limited | Health & social care | 2023 |
| Willowbridge Plants Limited | Agriculture & fishing | 2015 |
| Willowdale Hire Ltd | Agriculture & fishing | 2026 |
| Willshire Enterprises Limited | Other services | 2026 |
| Windermere House 2015 Limited | Households | 2015 |
| Windermere Park Ltd | Hospitality | 2017 |
| Windsell Limited | Energy | 2011 |
| Winning Building Services Ltd | Construction | 2012 |
| Winnrail Ltd | Construction | 2019 |
| Winstanley Bookkeeping Ltd | Professional & scientific | 2020 |
| Winston Legal Training Ltd | Administrative & support | 2016 |
| Winterwood Group Limited | Education | 2016 |
| Winterwood Tutors Limited | Education | 2012 |
| Wise OWL Wills and Estates Limited | Professional & scientific | 2023 |
| WM Lancaster Ltd | Water & waste | 2025 |
| Women Creating Waves CIC | Arts & recreation | 2025 |
| Wonder Escapes Travel Ltd | Administrative & support | 2025 |
| Wonderland Palooza Ltd | Arts & recreation | 2023 |
| Woodfords Jewellery Ltd | Wholesale & retail | 2018 |
| Woodgate Holdings (UK) Limited | Financial services | 2007 |
| Woodgate Lettings Limited | Real estate | 2024 |
| Woodlea Court RTM Company Limited | Households | 2022 |
| Woodroute Ltd | Agriculture & fishing | 2014 |
| Woodruff Property Limited | Real estate | 2016 |
| Woods Caravans Ltd | Transport & logistics | 2012 |
| Woods Joinery & Building Ltd | Construction | 2019 |
| Woohoo Planning and Heritage Ltd | Professional & scientific | 2021 |
| Wordcorp Limited | Professional & scientific | 2014 |
| Workplace Evolution Limited | Professional & scientific | 2014 |
| Workshop Media Ltd | Information & communication | 2011 |
| Workshop Productions Ltd | Information & communication | 2007 |
| Worrall Property Ltd | Real estate | 2012 |
| Worthington Sharpe Limited | Professional & scientific | 2005 |
| Wrayton 6 Limited | Real estate | 2024 |
| Wrenair Limited | Transport & logistics | 2023 |