| Vaughans Radio Limited | Wholesale & retail | 1999 |
| VDS Group Holdings Ltd | Professional & scientific | 2023 |
| Vdub Works Ltd | Wholesale & retail | 2018 |
| Velis Contracting Ltd | Other services | 2024 |
| Vemid Ltd | Other services | 2021 |
| Vemtura Ltd | Administrative & support | 2022 |
| Ventura Business Consulting Limited | Information & communication | 2002 |
| Verse Sound Design and Music Limited | Information & communication | 2014 |
| Vertrieb VON Bauelementen International Ltd | Administrative & support | 2025 |
| Verve Management Limited | Professional & scientific | 2003 |
| Veterinary Services Limited | Professional & scientific | 2022 |
| Veterinary Technical Consulting Ltd | Professional & scientific | 2023 |
| Vhenture Ltd | Health & social care | 2025 |
| Vincent Davies & SON Limited | Wholesale & retail | 1957 |
| Vision Air Financial Ltd | Financial services | 2021 |
| Vision Allrounder Ltd | Extraterritorial | 2022 |
| Vision Arts Ltd | Arts & recreation | 2020 |
| Vision Duplex Ltd | Administrative & support | 2022 |
| Vision Families Ltd | Extraterritorial | 2022 |
| Vision Freedom Ltd. | Extraterritorial | 2025 |
| Vision Invest Ltd | Extraterritorial | 2022 |
| Vision Sincerity Ltd | Administrative & support | 2022 |
| Vision to Vision Ltd | Administrative & support | 2024 |
| Visitlocal Ltd | Information & communication | 2013 |
| Visitloop Ltd | Professional & scientific | 2014 |
| Visual Science UN Ltd | Administrative & support | 2025 |
| Vitalight Ltd | Administrative & support | 2023 |
| Vitawave Coach Ltd | Administrative & support | 2023 |
| Vivi Embellish Limited | Manufacturing | 2021 |
| VND Group Resorts UK Limited | Hospitality | 2023 |
| VND Group UK Limited | Wholesale & retail | 2023 |
| Voba International Ltd | Administrative & support | 2023 |
| Vogue Health & Beauty Clinic Limited | Wholesale & retail | 1999 |
| Vontar Ltd | Other services | 2022 |
| Vortex Spray Company Ltd | Construction | 2022 |
| Voss Incorporated Limited | Professional & scientific | 2017 |
| Vrabak Ltd | Other services | 2021 |
| W & M J Rossiter & Sons Limited | Other services | 1999 |
| W J G Evans and Sons Limited | Construction | 2010 |
| W J G Investments Ltd | Real estate | 2012 |
| W P Lewis & SON (Neyland) Limited | Wholesale & retail | 1995 |
| W.D.M. & E.M. Evans Limited | Agriculture & fishing | 2003 |
| W.D.R. Energy Limited | Manufacturing | 2011 |
| W.H. Breen & Sons Limited | Construction | 2004 |
| W.O.J. Reed & Company Limited | Agriculture & fishing | 2011 |
| W.P. Lewis & SON (Greenfield Garage) Limited | Wholesale & retail | 2001 |
| WA & EM Mathias Limited | Agriculture & fishing | 2007 |
| WA Solutions Limited | Information & communication | 2009 |
| Wakefield Developments Pembrokeshire Limited | Construction | 2021 |
| Walk the Path Ltd | Wholesale & retail | 2025 |
| Walters Holdings (Pembrokeshire) Ltd | Financial services | 2023 |
| Warrington & Mathews Ltd | Wholesale & retail | 2008 |
| Washyourwoofer Limited | Other services | 2026 |
| Waste Baling Machines Limited | Water & waste | 2023 |
| Watrous UK Ltd | Administrative & support | 2024 |
| Watsonss Property Ltd | Households | 2024 |
| Wava Global Ltd | Professional & scientific | 2022 |
| WAVE4WORLD Ltd | Administrative & support | 2023 |
| WE Comply Limited | Professional & scientific | 2015 |
| Web Adept Limited | Information & communication | 2010 |
| Webzer Limited | Information & communication | 2016 |
| Weir Castle Ltd | Financial services | 2004 |
| Wellstone Contracting Limited | Other services | 2015 |
| Wenallt Ltd | Other services | 2021 |
| Wertebasis Ltd | Extraterritorial | 2024 |
| Wesbil Limited | Agriculture & fishing | 2003 |
| West Benton UK Ltd | Administrative & support | 2024 |
| West Coast Homes Ltd | Real estate | 2025 |
| West Coast Inns Ltd | Hospitality | 2019 |
| West Coast Solutions Pembrokeshire Ltd | Manufacturing | 2023 |
| West Hill Fold Cottages LLP | | 2006 |
| West of Wales Art Supplies Ltd | Wholesale & retail | 2017 |
| West Property's & Management Ltd | Real estate | 2022 |
| West Wales DAB Limited | Information & communication | 2022 |
| West Wales DAB Two Limited | Information & communication | 2024 |
| West Wales Ground Screws Ltd | Construction | 2025 |
| West Wales Karting Ltd | Arts & recreation | 2006 |
| West Wales Pest Control Limited | Agriculture & fishing | 2014 |
| West Wales Solar Limited | Construction | 2023 |
| West Wales Systems Ltd | Wholesale & retail | 2014 |
| West Wales Towing Centre Ltd | Manufacturing | 2016 |
| West Wales Water and Civils Ltd | Construction | 2023 |
| Western Eco Solutions Ltd | Construction | 2024 |
| Western Seeds Limited | Wholesale & retail | 2000 |
| Western Welsh Community Care Limited | Health & social care | 2008 |
| Western Welsh Financial Services (Pembrokeshire) Limited | Financial services | 2011 |
| Weston Geotech Ltd | Professional & scientific | 2021 |
| Wgfsq International Ltd | Administrative & support | 2019 |
| White Knuckle Air Limited | Information & communication | 2004 |
| White Truffle Catering Ltd | Hospitality | 2019 |
| Whitesands Beach Cottages Limited | Hospitality | 2017 |
| Wickfields Limited | Agriculture & fishing | 1997 |
| Wijeochk Ltd | Information & communication | 2023 |
| Wild About Pembrokeshire CIC | Education | 2025 |
| Wilder Retreats Ltd | Hospitality | 2021 |
| Wildwater Sauna Limited | Other services | 2024 |
| Williams of Tregwynt Limited | Extraterritorial | 2003 |
| Williamston Farms Limited | Agriculture & fishing | 2004 |
| Willow Inspirations Ltd. | Extraterritorial | 2024 |
| Willrose Property Ltd | Real estate | 2023 |