| Abbey Film Productions Limited | Information & communication | 2022 |
| Abbey Medicare (NI) Ltd | Manufacturing | 2012 |
| Acutus Laboratories Ltd | Professional & scientific | 2017 |
| ADR Digital Services Limited | Wholesale & retail | 2022 |
| AML Contracts Ltd. | Construction | 2002 |
| Belfast Garage Equipment Ltd | Wholesale & retail | 1997 |
| Belfast Roofing Supply Centre LLP | | 2026 |
| Brook Campbell Developments Limited | Wholesale & retail | 1999 |
| Brooklands Gospel Centre Trust | Other services | 2026 |
| C&C Wash Ltd | Other services | 2025 |
| Carroll's Glass Ltd | Manufacturing | 2022 |
| Carrowreagh Management Company Limited | | 2011 |
| Caterserve (NI) Ltd | Manufacturing | 2006 |
| Cctv Maintenance Ltd | Manufacturing | 2025 |
| CD Landscape Services Ayrshire Ltd | Administrative & support | 2012 |
| Cinematic Soul Ltd | Information & communication | 2023 |
| Circular Construction (NI) Ltd | Construction | 2017 |
| Clover Cars NI Limited | Wholesale & retail | 2025 |
| Colville Roofing and Guttering Ltd | Construction | 2026 |
| Cyberaggress Ltd | Professional & scientific | 2016 |
| Deepflow AI Ltd | Information & communication | 2025 |
| Dent Division Ltd | Wholesale & retail | 2021 |
| Dentsni Ltd | Wholesale & retail | 2021 |
| DR Furniture Warehousing Ltd | Wholesale & retail | 2025 |
| Dundonald Elim Duke of Edinburgh Award Centre Ltd | Administrative & support | 2025 |
| Dundonald Garden Centre Limited | Administrative & support | 2017 |
| Easton Property Gulliland Limited | Real estate | 2025 |
| Enlighten Training Ltd | Professional & scientific | 2011 |
| Floor Depot NI Limited | Wholesale & retail | 1998 |
| FMG Installation Ltd | Manufacturing | 2009 |
| G&C Insurance Services Limited | Financial services | 2017 |
| Gilliland Direct Marketing Ltd | Professional & scientific | 1995 |
| Gills Dundonald Ltd | Wholesale & retail | 2018 |
| Ginger Square Media Ltd | Professional & scientific | 2021 |
| Gorilla JET Wash Ltd | Other services | 2025 |
| GPE Electrics Limited | Construction | 2016 |
| GSA Consulting Ltd | Information & communication | 2022 |
| GWF Generators Limited | Administrative & support | 2010 |
| GWF Heavy Haulage Limited | Transport & logistics | 2018 |
| Hairsupply Ltd | Wholesale & retail | 2025 |
| Hamel Trading Company Limited | Wholesale & retail | 1988 |
| Harcol Holdings Limited | Professional & scientific | 1980 |
| HF Investments NO.1 Limited | Other services | 2018 |
| Hydrogen Trading Ireland Limited | Energy | 2020 |
| Innovec Telecom Ltd | Information & communication | 2024 |
| KCB Building & Joinery Ltd | Construction | 2022 |
| Kennedy Plant Services Ltd | Construction | 2017 |
| Lairds AV Limited | Information & communication | 2022 |
| Lankel (NI) Limited | Other services | 1992 |
| Lima Environmental Ltd | Professional & scientific | 2018 |
| Malanne | Hospitality | 1999 |
| MAX Developments (Scotland) Ltd. | Construction | 2014 |
| Maxwell Road Developments NI Limited | Construction | 2023 |
| Millisle Developments NI Limited | Construction | 2023 |
| MJM Commerce Ltd | Wholesale & retail | 2024 |
| MMC Private Hire Taxis Ltd | Transport & logistics | 2016 |
| Motor Choice (N.I.) Limited | Wholesale & retail | 2018 |
| Newforge Developments NI Limited | Construction | 2023 |
| NMG (Scotland) Ltd | Construction | 2016 |
| Orby Drive Developments Ltd | Real estate | 2025 |
| Pacific Shelf 1566 Limited | Administrative & support | 2009 |
| Pacific Shelf 1749 Limited | Real estate | 2013 |
| Pacific Shelf 1751 Limited | Administrative & support | 2013 |
| Pacific Shelf 1752 Limited | Professional & scientific | 2013 |
| Pacific Shelf 1992 Limited | Other services | 2026 |
| Pinecliffs NI Management Company Limited | Construction | 2023 |
| Raizel Medical Ltd | Health & social care | 2023 |
| Ross Quarry Products Limited | Mining & quarrying | 2022 |
| RSC Capital Ltd | Real estate | 2023 |
| S Crawford Autos Limited | Wholesale & retail | 2025 |
| Sarkesa Limited | Information & communication | 2018 |
| Scaleup Programme Limited | Education | 2022 |
| Scrabo Scaffolding Ltd | Construction | 2009 |
| Service Zone Ltd | Professional & scientific | 2014 |
| Simpson and Crawford Consulting Limited | Professional & scientific | 2010 |
| Smooth Comms Ltd | Information & communication | 2021 |
| Spectrum Accountancy Solutions (Ayrshire) Ltd | Professional & scientific | 2024 |
| Springfield Developments (N.I.) Ltd | Construction | 2016 |
| Studio 1718 Ltd | Manufacturing | 2023 |
| TDR Dundonald Ltd | Real estate | 2023 |
| TDR Office Ltd | Real estate | 2023 |
| TDR Stores Ltd | Wholesale & retail | 2023 |
| THE Dearing Clinic Ltd | Health & social care | 2017 |
| THE Dundonald Group Ltd | Manufacturing | 2023 |
| THE Fort Dundonald Ltd | Hospitality | 2025 |
| Tools NI Ltd | Wholesale & retail | 2024 |
| Tower Tools and Equipment Limited | Wholesale & retail | 1995 |
| Trailblazer BBQ Ltd | Manufacturing | 2014 |
| Ulster EAR WAX Removal Limited | Health & social care | 2025 |
| Weslyn Limited | Construction | 1982 |
| West Coast Capital Assets Limited | Professional & scientific | 1998 |
| West Coast Capital Group Limited | Professional & scientific | 2022 |
| West Coast Capital Limited | Professional & scientific | 2000 |
| West Coast Capital Prestven Investments Limited | Professional & scientific | 2006 |
| West Coast Capital Properties (Marathon House) Limited | Administrative & support | 1998 |
| WOK Star Asian Fusion Limited | Hospitality | 2024 |
| Zacht Investments Ltd | Real estate | 2025 |