| Ventosa Limited | Energy | 2020 |
| Ventoux Coffee Bar Ltd | Wholesale & retail | 2023 |
| Ventoux Cycling Studio Ltd | Arts & recreation | 2017 |
| Venturetec Marketing Co Ltd | Wholesale & retail | 2025 |
| Vepo Holdings Limited | Financial services | 2018 |
| Verdexo (NI) Limited | Agriculture & fishing | 2013 |
| Verge Clean Hire Ltd | Administrative & support | 2021 |
| Verida Limited | Administrative & support | 2023 |
| Versaffix Ltd | Manufacturing | 2020 |
| Vesicore Ltd | Information & communication | 2024 |
| Vetranio NI 2 Limited | Financial services | 2022 |
| Vetranio NI Limited | Financial services | 2022 |
| Viaduct Mews Management Company Ltd | Households | 2017 |
| Victoria Hincu I & T Limited | Real estate | 2012 |
| View Coffee Limited | Hospitality | 2025 |
| Viewmont Import L.P. | | 2017 |
| Vilando Transport Ltd | Transport & logistics | 2024 |
| Villa Hospitality Ltd | Hospitality | 2018 |
| Village Taxis Camlough Ltd | Transport & logistics | 2022 |
| Viltra Limited | Water & waste | 2007 |
| Vintage Wedding Vehicles Ltd | Transport & logistics | 2014 |
| Vinution Ltd | Wholesale & retail | 2014 |
| Visage (Causewayend) Limited | Real estate | 2014 |
| Visage Investments LLP | | 2012 |
| Visitar Guide Ltd | Information & communication | 2020 |
| Viso Cyber Security UK Limited | Information & communication | 2022 |
| Vitu International Ltd | Administrative & support | 2019 |
| Vmforensics Limited | Information & communication | 2015 |
| Volka Holdings LP | | 2017 |
| Volka Management LP | | 2017 |
| Vorsprung Contract Services Ltd | Professional & scientific | 2024 |
| Vorsprung Property Ltd | Real estate | 2024 |
| VP Media (NI) Ltd | Administrative & support | 2013 |
| VP Sailing Ltd | Professional & scientific | 2025 |
| VR Packaging Ltd | Wholesale & retail | 2023 |
| VVR Mobi Private Limited | Wholesale & retail | 2025 |
| W Baird Transport Ltd | Transport & logistics | 2014 |
| W E Elliott & SON Limited | Construction | 2003 |
| W Informatics Services LP | | 2022 |
| W J Marks Ltd | Construction | 2018 |
| W Park & SON Limited | Construction | 2017 |
| W. Kearney Ltd | Agriculture & fishing | 2007 |
| W.I. Hill Holdings Limited | Professional & scientific | 2012 |
| Waddell International Ltd | Transport & logistics | 2019 |
| Waendelust Real Estate Limited | Wholesale & retail | 2023 |
| Waketrans Projects L.P. | | 2017 |
| Walkson Company L.P. | | 2015 |
| Wallace Joinery Works Limited | Construction | 2024 |
| Wallberg Universal L.P. | | 2017 |
| Walsh Agri & Groundworks Ltd | Agriculture & fishing | 2023 |
| Walsh Bread Sales Limited | Wholesale & retail | 2005 |
| Walsh Plant Hire Limited | Administrative & support | 1997 |
| Walsh Properties (IE) Ltd | Real estate | 2023 |
| Wandering Wild Ltd | Wholesale & retail | 2018 |
| Wangzhicheng Limited | Wholesale & retail | 2024 |
| Ward Restaurants Group Ltd | Professional & scientific | 2015 |
| Ward Roofing & Building Ltd | Construction | 2025 |
| Warde Groupage Limited | Transport & logistics | 2012 |
| Warrenpoint Bulk Liquid Storage Company Limited | Transport & logistics | 1992 |
| Warrenpoint Harbour Authority Marina Limited | Arts & recreation | 2007 |
| Warrenpoint Nails Spa Ltd | Other services | 2026 |
| Warrenpoint Pizzas Ltd | Hospitality | 2025 |
| Warrenpoint Town Football Club Limited | Arts & recreation | 2022 |
| Wasted Days Ltd | Financial services | 2025 |
| WAT One Ltd | Real estate | 2025 |
| Watch Tower Adventures IRL Ltd | Arts & recreation | 2017 |
| Watch Tower Adventures Ltd | Arts & recreation | 2012 |
| Watchtower Adventures Events Ltd | Arts & recreation | 2022 |
| Water Solutions Ireland Ltd. | Construction | 2014 |
| Water Tecnik Ltd | Manufacturing | 2014 |
| Water Tecnik Services Limited | Manufacturing | 2020 |
| Waterfort Farm Limited | Agriculture & fishing | 2014 |
| Waterfront Management Company (Portaferry) Ltd | Households | 2004 |
| Waterwheel Wharf Management Limited | Households | 2022 |
| Watson Built Contracts Ltd | Construction | 2025 |
| Watters Car Sales Limited | Wholesale & retail | 2016 |
| Watters Electrical Limited | Wholesale & retail | 2009 |
| Watters Group Limited | Financial services | 2024 |
| Wave Invest LP | | 2018 |
| Waveboosters Ltd | Information & communication | 2025 |
| Waveform Engineering Solutions Ltd | Professional & scientific | 2025 |
| Way WE Web Ltd | Information & communication | 2023 |
| WB Paints Limited | Wholesale & retail | 2023 |
| WBR Chamber of Commerce Limited | Administrative & support | 2022 |
| WCN Holdings Ltd | Financial services | 2024 |
| WE Dazzle N. I. Ltd | Administrative & support | 2025 |
| WE Go BIO Ltd | Extraterritorial | 2024 |
| WE Sell Everything Limited | Wholesale & retail | 2025 |
| WE Shine & Go Co Ltd | Administrative & support | 2021 |
| WE VRT (NI) Ltd | Wholesale & retail | 2021 |
| Wear Once Loved Ltd | Wholesale & retail | 2026 |
| Weavertron (NI) | Wholesale & retail | 2022 |
| Webrez Limited | Information & communication | 2009 |
| WEC Ltd | Construction | 2013 |
| Weflexsolutions Ltd | Manufacturing | 2022 |
| Weigh & PAY Ltd | Water & waste | 2015 |
| Weirs Coach Travel Ltd | Transport & logistics | 2025 |
| Wel-Tech Plant Ltd | Wholesale & retail | 2019 |
| Wellness Matters Coaching Ltd | Health & social care | 2022 |
| West Coast Campervans Ltd | Administrative & support | 2013 |