| Voluntary Sector Gateway West Lothian | Administrative & support | 2003 |
| VRM Logistics Ltd | Transport & logistics | 2024 |
| Vsmart Group Ltd | Administrative & support | 2023 |
| VW Auto-House Ltd | Wholesale & retail | 2026 |
| Waddad Ltd | Construction | 2017 |
| Walker Hines Woodland Services Ltd | Professional & scientific | 2022 |
| Walky Way Rocky Limited | Health & social care | 2025 |
| Wallhouse Distillery Limited | Manufacturing | 2019 |
| Wallshore Limited | Construction | 2002 |
| Ward's Boutique Hotels Ltd | Hospitality | 2018 |
| Warrington Group Holdings Ltd | Financial services | 2025 |
| Warrington Property Holdings Ltd | Real estate | 2023 |
| Warrington Property Management Ltd | Real estate | 2012 |
| Watchwell Holdings Limited | Financial services | 2024 |
| Watson Construction Training Limited | Education | 2022 |
| WB Gifts Ltd | Wholesale & retail | 2024 |
| WE Hold Lets Ltd | Real estate | 2024 |
| WE Hold VIM and Vigour Ltd | Hospitality | 2025 |
| WEE Clean Carpets & Floors Ltd | Administrative & support | 2023 |
| WEE Hold TOO Ltd | Real estate | 2025 |
| WEE Tours Ltd | Administrative & support | 2024 |
| Weemerch Ltd | Professional & scientific | 2024 |
| WEF Leisure Ltd | Hospitality | 2018 |
| Weir Here to Help Ltd | Other services | 2024 |
| West Investments (Scotland) Ltd | Real estate | 2016 |
| West Lothian Climate Action Network Hub Ltd | Other services | 2023 |
| West Lothian Dance Academy LLP | | 2005 |
| West Lothian Driving School Limited | Education | 2023 |
| West Lothian Events Ltd | Arts & recreation | 2024 |
| West Lothian Exterior Cleaning Services Ltd | Administrative & support | 2026 |
| West Lothian Hardware Limited | Manufacturing | 2016 |
| West Lothian Leisure | Arts & recreation | 2016 |
| West Lothian Properties Ltd | Real estate | 2024 |
| West Lothian Retail Ltd | Wholesale & retail | 2014 |
| West Lothian Social Enterprise Network | Other services | 2014 |
| West Lothian Store Ltd | Wholesale & retail | 2025 |
| West Lothian Vehicle Solutions Ltd | Wholesale & retail | 2025 |
| West Lothian Waste Ltd | Wholesale & retail | 2025 |
| West Main Car Wash Ltd | Administrative & support | 2025 |
| Wester Hillhouse Farm Ltd | Agriculture & fishing | 2018 |
| Westlothiankeys Ltd | Other services | 2025 |
| Westport Bar Ltd | Hospitality | 2020 |
| WGY Group (1967) Limited | Extraterritorial | 2013 |
| Whitburn and District Community Development Trust | Other services | 2009 |
| Whitburn Barber Ltd | Other services | 2020 |
| Whitburn Foods Limited | Hospitality | 2023 |
| Whitburn Joinery & Glazing Limited | Construction | 2001 |
| Whitburn Shop Ltd | Other services | 2026 |
| Whitburn Soleil Ltd | Other services | 2014 |
| White Tiger Tattoo Ltd | Arts & recreation | 2024 |
| Whitelaw Engineering Services Ltd | Professional & scientific | 2022 |
| Whiterigg Trading Ltd | Wholesale & retail | 2026 |
| Widit Properties Ltd | Real estate | 2025 |
| William Stewart (Scotland) Limited | Professional & scientific | 2011 |
| Willow Phoenix Ltd | Transport & logistics | 2023 |
| Willowbank Guesthouse Ltd | Hospitality | 2024 |
| Willowroad Limited | Real estate | 2008 |
| Winnie's Dog Grooming Ltd | Other services | 2024 |
| Winter Snow Publishing Ltd | Information & communication | 2020 |
| WM and Sons Paving and Landscaping Ltd | Administrative & support | 2024 |
| Wmci Limited | Professional & scientific | 2018 |
| WMG Events Limited | Hospitality | 2023 |
| Wojciech WOS Construction Ltd | Construction | 2025 |
| Woklore Ltd | Hospitality | 2026 |
| Wondermart Limited | Wholesale & retail | 2025 |
| Wonderworld Events Ltd | Administrative & support | 2024 |
| Wondrous Woods Limited | Arts & recreation | 2020 |
| Wood Engineering Ltd | Professional & scientific | 2025 |
| Woodend Deer Management Services Ltd. | Agriculture & fishing | 2018 |
| Woodgrain Works Limited | Manufacturing | 2020 |
| Wrl&E Properties Limited | Construction | 2016 |
| WSH Fast FIX Ltd | Wholesale & retail | 2017 |
| WWB Ltd | Real estate | 2026 |
| Xache Consulting Limited | Professional & scientific | 2015 |
| XL Booty & Body Sculpting Ltd | Other services | 2025 |
| Yagari Management Limited | Professional & scientific | 2025 |
| Yanxia Ltd | Hospitality | 2022 |
| Yewande's Table Ltd | Hospitality | 2026 |
| YGM Plumbing & Building Ltd. | Construction | 2000 |
| YOU Beauty by Maddison Limited | Other services | 2025 |
| Z S Superstore Ltd | Wholesale & retail | 2025 |
| ZA Properties Ltd | Real estate | 2019 |
| ZAK and Adam Ltd | Other services | 2024 |
| Zakarama Consultancy Limited | Professional & scientific | 2016 |
| Zakarama Developments Ltd | Construction | 2026 |
| Zakarama Holdings Ltd | Financial services | 2026 |
| Zakarama Properties Ltd | Real estate | 2026 |
| Zemidara Ltd | Wholesale & retail | 2026 |
| Zenova Luxury Saunas Ltd | Manufacturing | 2025 |
| Zero DOT Marketing Ltd | Information & communication | 2025 |
| Zezy Autos Ltd | Wholesale & retail | 2025 |
| Zion...A Star IS Born Ltd | Wholesale & retail | 2009 |
| ZK Desserts Ltd | Wholesale & retail | 2022 |
| Zolt Plus Limited | Wholesale & retail | 2026 |
| Zynexgb Ltd | Wholesale & retail | 2025 |