| Skelton Commercial Repairs Ltd | Wholesale & retail | 2024 |
| Sol-Man Ltd | Professional & scientific | 2021 |
| Spectrum Advice Network Ltd | Financial services | 2020 |
| Spylaw Ltd | Health & social care | 2014 |
| Stewart Estate Agents Ltd | Real estate | 2015 |
| Studio 55 Inspirational Internet Solutions Ltd | Information & communication | 2019 |
| Studyseed CIC | Education | 2016 |
| Supine Holdings Ltd | Financial services | 2025 |
| Swift Gym Repairs Limited | Manufacturing | 2024 |
| T J Engineering Ltd | Manufacturing | 2023 |
| TAE Safety Advisor Ltd | Administrative & support | 2017 |
| Tasters Catering Ltd | Hospitality | 2021 |
| THE Authentic Character Company Limited | Professional & scientific | 1987 |
| THE Chip Shop Magheralin Limited | Hospitality | 2026 |
| THE Printer Specialists (Ireland) Ltd | Manufacturing | 2012 |
| THE Quirky Bird - Social Enterprise Ltd | Hospitality | 2020 |
| Top HAT Bingo Limited | Arts & recreation | 2011 |
| TRF Media Ltd | Information & communication | 2026 |
| Tsang Sauce Ltd | Manufacturing | 2018 |
| Uncle Jacks Pizza Company Ltd | Hospitality | 2025 |
| W27 Consulting Ltd | Professional & scientific | 2010 |
| Warner Property Investments Ltd | Real estate | 2024 |
| Washingford Daycare Ltd | Health & social care | 2012 |
| Wilson Works Ltd | Professional & scientific | 2025 |
| Wine and Brine Ltd | Hospitality | 2014 |
| Ying Tian EN Ltd | Real estate | 2021 |