| Vertikleen Limited | Wholesale & retail | 2013 |
| Veterans Hub Londonderry CIC | Other services | 2024 |
| VG Catering Limited | Hospitality | 2025 |
| Vicone Heelsld Ltd | Wholesale & retail | 2024 |
| Victoria Fivestar Management Co. Ltd | Extraterritorial | 2007 |
| Victoria Gate 3 Limited | Extraterritorial | 2015 |
| Victoria Property Holdings Ltd | Real estate | 2017 |
| Viewdata Limited | Construction | 2020 |
| Vindr Alu-Wood Ltd | Construction | 2011 |
| Vinyet NI Limited | Financial services | 2019 |
| Violet and KIN Derry Ltd | Hospitality | 2026 |
| Viso NW Ltd | Professional & scientific | 2023 |
| Viso(Ni) Ltd | Health & social care | 2024 |
| Vistazone Limited | Real estate | 2016 |
| VML Developments Ltd | Construction | 2014 |
| Vogue Car Sales Limited | Wholesale & retail | 2016 |
| Vogue Competitions Ltd | Wholesale & retail | 2019 |
| Vogue Service Center Limited | Wholesale & retail | 2022 |
| Void Art Centre - the | Arts & recreation | 2004 |
| Volt Electrical Installations Ltd | Construction | 2025 |
| Voltaic Energy Ltd | Construction | 2021 |
| Volterra Electric Ltd. | Construction | 2016 |
| Voltex Engineering Ltd | Construction | 2024 |
| Vopen Business Limited | Wholesale & retail | 2026 |
| Vortrell Consulting Ltd | Professional & scientific | 2022 |
| Voyager Visitor Experience Limited | Arts & recreation | 2021 |
| VSF Security Limited | Administrative & support | 2023 |
| Vuelos Baratos Limited | Information & communication | 2004 |
| Vultron Machinery Ltd | Manufacturing | 2026 |
| VWR International (Northern Ireland) Limited | Professional & scientific | 1980 |
| W & E Smyth Construction Limited | Construction | 2004 |
| W G K Joinery Limited | Manufacturing | 2022 |
| W&G Electrics Limited | Construction | 2022 |
| W. & J. Chambers Ltd | Mining & quarrying | 1994 |
| W.J. Doherty Ltd | Construction | 1993 |
| W.J. O'Brien & SON Limited | Wholesale & retail | 2006 |
| W8LAND Ltd | Wholesale & retail | 2021 |
| WAD Yousif Ltd | Health & social care | 2026 |
| Wafer Enterprises Ltd. | Manufacturing | 1989 |
| Wafer Holdings Limited | Financial services | 2022 |
| Walker Wellbeing Ltd | Health & social care | 2023 |
| Wallace Doherty Partnership Limited | Professional & scientific | 2009 |
| Walled City Blades Ltd | Manufacturing | 2022 |
| Walled City Properties Limited | Real estate | 2020 |
| Walled City Vape Ltd | Wholesale & retail | 2016 |
| Walton Devine Limited | Hospitality | 2025 |
| Wangyangfu Limited | Wholesale & retail | 2023 |
| Wantbuyget Ltd | Wholesale & retail | 2025 |
| Ward Motors Ltd | Wholesale & retail | 2023 |
| Ward Tech Limited | Manufacturing | 2016 |
| Warehouse Gallery Limited | Wholesale & retail | 2016 |
| Warm Glow (N.I.) Limited | Wholesale & retail | 2013 |
| Warmfloors Group Limited | Wholesale & retail | 2016 |
| Warren Myles Property Ltd | Real estate | 2021 |
| Waste Disposal Systems Ltd | Water & waste | 2008 |
| Water Fortune (Derry) Limited | Hospitality | 2022 |
| Watermede Limited | Real estate | 2005 |
| Waterside Neighbourhood Partnership | Other services | 2008 |
| Waterstone Enterprises Limited | Manufacturing | 1985 |
| Waynescourierworld Limited | Professional & scientific | 2025 |
| WBD Construction Limited | Construction | 2016 |
| WC Cars Ltd | Wholesale & retail | 2024 |
| WCS Management Co Ltd | Professional & scientific | 2026 |
| WEE Derry Shots Limited | Manufacturing | 2025 |
| WEE Sleep Ireland Limited | Hospitality | 2026 |
| Weld Engineering Solutions Limited | Manufacturing | 2026 |
| Wesley (N.I.) Ltd | Hospitality | 2020 |
| West Bann Development | Education | 2002 |
| West END 21 Ltd | Households | 2022 |
| Westbury Developments Limited | Real estate | 1997 |
| Westco Developments (N.I.) Limited | Real estate | 2018 |
| Westland Holdings Ltd | Real estate | 2006 |
| Westvent Ltd | Construction | 2002 |
| WG Freight Ltd | Transport & logistics | 2024 |
| Whats on Your Wall Derry Ltd | Wholesale & retail | 2025 |
| White Label Perfume Limited | Wholesale & retail | 2013 |
| White Oak Properties (Derry) Limited | Real estate | 2023 |
| White Swan (Derry) Ltd | Real estate | 2022 |
| Whitefield Housing Limited | Hospitality | 2014 |
| Whiterock Contracts Limited | Real estate | 2012 |
| Whiterock Property Developments Limited | Construction | 2006 |
| Whitworths Snacking (NI) Ltd | Manufacturing | 2021 |
| Wholesale Fitness Ltd | Arts & recreation | 2026 |
| WI Fittings Limited | Professional & scientific | 2005 |
| Wild Atlantic Travel Co Limited | Education | 2022 |
| Will Ennett Consulting Ltd | Professional & scientific | 2025 |
| William Grant and Company Limited, | Manufacturing | 1928 |
| William Mccartney Ltd | Professional & scientific | 2015 |
| Willowbrook Bespoke Limited | Manufacturing | 2022 |
| Willsborough Ltd | Energy | 2014 |
| Windmill Media Productions Ltd | Information & communication | 2024 |
| Windows 2000 (North) Limited | Construction | 2003 |
| WJA Wealth Management Ltd | Financial services | 2025 |
| WL Mccloskey & Sons Limited | Construction | 2012 |
| WL Mccloskey Properties Ltd | Real estate | 2023 |
| WLD Enterprises Ltd | Agriculture & fishing | 2025 |
| WM Gallagher Commercial Services Limited | Real estate | 2007 |
| WM Mcneill & SON Ltd | Agriculture & fishing | 2013 |
| WM Promotions Limited | Hospitality | 2015 |
| Wmsci Limited | Professional & scientific | 2019 |