| THE Estate Angel (N.I.) Ltd | Real estate | 2019 |
| THE Game Garden Ltd | Information & communication | 2023 |
| THE Laurel Meat Company Ltd | Wholesale & retail | 2015 |
| THE Maintenance Company (NI) Ltd | Extraterritorial | 2014 |
| THE Sizzlin Sausage Ltd | Hospitality | 2017 |
| THE Winsome Lady Limited | Wholesale & retail | 2011 |
| Thistle Hill Investments Ltd. | Extraterritorial | 2018 |
| Thomas Taggart & Sons Limited | Professional & scientific | 2014 |
| Timbertec (NI) Limited | Agriculture & fishing | 2003 |
| Tina Maria Ltd | Public administration | 2026 |
| TJS Steel Supplies Ltd | Wholesale & retail | 2012 |
| Tlca Ltd | Wholesale & retail | 2021 |
| TNW Farms Ltd | Agriculture & fishing | 2026 |
| Toner Mechanical Services Ltd | Construction | 2016 |
| Top Fuels Ltd | Wholesale & retail | 2020 |
| Transport Engineering Ltd | Manufacturing | 2023 |
| Travel Dreams Limited | Administrative & support | 2022 |
| Trendline Contracting Limited | Construction | 2019 |
| Triple R Consulting Ltd. | Professional & scientific | 2013 |
| Tugtasiyan Aykutsan Packaging and Trade Ltd | Wholesale & retail | 2011 |
| Tullbridge Limited | Financial services | 2025 |
| Ueec Limited | Hospitality | 2025 |
| Ulidia Community Empowerment C.I.C. | Other services | 2018 |
| Ulidia Enterprises Ltd | Hospitality | 2023 |
| Ullans Speakers Association | Education | 2012 |
| Ulster Strength & Physiotherapy Ltd | Health & social care | 2025 |
| Unique Bathrooms (Ballymoney) Ltd | Wholesale & retail | 2015 |
| Veragh Developments Limited | Construction | 2004 |
| Verax Medical Ltd | Health & social care | 2024 |
| Vessel Campers Ltd | Manufacturing | 2025 |
| Vict Properties Ltd | Real estate | 2016 |
| Vinaan Group Ltd | Wholesale & retail | 2022 |
| Vinegar TOM Ltd | Information & communication | 2025 |
| Vision Facades Ltd | Construction | 2020 |
| Visiondale Limited | Real estate | 2016 |
| VM Accountants and Book Keeping Limited | Professional & scientific | 2025 |
| Voltcomps Ltd | Wholesale & retail | 2023 |
| W.J. Watters (Contractors) Limited | Wholesale & retail | 1984 |
| Wake the Beast Ltd | Arts & recreation | 2021 |
| Wall to Wall Consulting Ltd | Information & communication | 2024 |
| Wall-Lec Ltd | Construction | 2026 |
| Wallace Homes Ltd | Construction | 2014 |
| Watson Paving & Groundworks Ltd | Administrative & support | 2025 |
| WEE Bambino Ltd | Wholesale & retail | 2022 |
| WEE Buns Ltd | Administrative & support | 2009 |
| Well FED Pets Limited | Wholesale & retail | 2024 |
| Wenguang Shao Limited | Wholesale & retail | 2025 |
| White ELM Properties Ltd | Real estate | 2026 |
| Whiterock Construction (N.I.) Limited | Construction | 2015 |
| Whiterocks Dynamics Ltd | Professional & scientific | 2020 |
| Wifiandchill Ltd | Information & communication | 2025 |
| Wild Warm Ltd | Arts & recreation | 2026 |
| William Gilmore Limited | Agriculture & fishing | 2025 |
| Wilson Formwork Limited | Construction | 2017 |
| WJB Farms Ltd | Agriculture & fishing | 2021 |
| Wmoc Limited | Administrative & support | 2014 |
| Woven Mill Ltd | Wholesale & retail | 2021 |
| Wright Electrical Contractors Ltd | Construction | 2018 |
| Xtragen Ltd | Energy | 2013 |
| YAO Xuan Ltd | Wholesale & retail | 2025 |
| YT10 Ltd | Hospitality | 2018 |
| Zest Fire and Security Ltd | Public administration | 2020 |