| JWB Consultancy Limited | Professional & scientific | 2021 |
| Jwm-Pps Ltd | Professional & scientific | 2018 |
| Kandy Korner Ltd | Wholesale & retail | 2026 |
| KE Group Holdings Limited | Real estate | 2025 |
| Kelly Cowan Hairdressing Ltd | Other services | 2022 |
| Killaughey Mews Management Company Limited | Households | 2019 |
| Learn Global (Leaders Equipping & Resourcing Network) Ltd. | Education | 2019 |
| Lindsay Boyd Golf Limited | Arts & recreation | 2022 |
| Luca Living Ltd | Real estate | 2014 |
| Lyndak Limited | Construction | 2014 |
| M Davis Services Ltd | Transport & logistics | 2020 |
| Make ME Mold ME Ltd | Manufacturing | 2019 |
| Mandisons Ltd | Professional & scientific | 2023 |
| Manor Court Management (Donaghadee) Limited | Households | 2003 |
| Mark Cooper Architects Ltd | Professional & scientific | 2024 |
| MC Apartments Limited | Administrative & support | 2009 |
| Mcleman Limited | Hospitality | 2014 |
| Mcleman Properties Ltd | Real estate | 2022 |
| Meru Developments Ltd | Construction | 2018 |
| Millennium Circus Productions Limited | | 1991 |
| MJB Hold Limited | Real estate | 2021 |
| MM Plants Limited | Wholesale & retail | 2024 |
| Moto Trial NI Limited | Arts & recreation | 2015 |
| Nejh Limited | Manufacturing | 2017 |
| Newtownards Transport Ltd | Transport & logistics | 2019 |
| Nicare Limited | Health & social care | 1995 |
| Niex Capital Limited | Professional & scientific | 2021 |
| Nilegal.Com Limited | Professional & scientific | 2003 |
| North Down Media Walls Ltd | Construction | 2024 |
| O.D. Cars Limited | Professional & scientific | 2025 |
| One Shore Street Limited | Hospitality | 2017 |
| Onwards Shellfish Limited | Agriculture & fishing | 2024 |
| P & D Development Company Limited | Households | 1989 |
| Palm Ridge Ltd | Households | 2022 |
| Paradox Omega Oils Ltd | Manufacturing | 2007 |
| Peach Enterprises Limited | Hospitality | 2011 |
| Pips Suicide Prevention Programmes CIC | Education | 2010 |
| Pjiqs Limited | Professional & scientific | 2018 |
| PMA Automotive Ltd | Wholesale & retail | 2025 |
| PMF Consultants Ltd | Professional & scientific | 2009 |
| Polished Alloys Ltd. | Manufacturing | 2015 |
| Preston Performance Consulting Limited | Administrative & support | 2020 |
| Price Attack Limited | Wholesale & retail | 2006 |
| Propertyni Ltd | Real estate | 2024 |
| Qualit Ltd | Information & communication | 2025 |
| R & K Matthews Building Contractors Limited | Construction | 2012 |
| R Radio Limited | Information & communication | 2022 |
| Rda-Ipl Manufacturing Ltd | Manufacturing | 2026 |
| Realmrockz Ltd | Manufacturing | 2024 |
| Recruit Partners Ltd | Administrative & support | 2022 |
| Robert Reid Limited | Information & communication | 2024 |
| Robin's Nest Limited | Wholesale & retail | 2003 |
| ROCK25 Limited | Real estate | 2025 |
| Ruby Competitions Ltd | Wholesale & retail | 2024 |
| Saints N Sinners Ltd | Hospitality | 2019 |
| Scent Engineering Support Limited | Professional & scientific | 2017 |
| Scope Rentals Ltd | Real estate | 2024 |
| Scribe Transcription Limited | Administrative & support | 2016 |
| Sea LA VIE Management Ltd | Households | 2019 |
| Seaholco Ltd | Financial services | 2023 |
| Seaview House Donaghadee Ltd | Hospitality | 2024 |
| Shore Street Productions Ltd | Information & communication | 2026 |
| Simon Potter Investments Limited | Financial services | 2006 |
| SKP Property Investments Ltd | Real estate | 2019 |
| SL1CK Developments Ltd | Construction | 2014 |
| Slipway Management Co. Ltd | Households | 2009 |
| Source Property and Wills Ltd | Real estate | 2025 |
| Stallard Digital Ltd | Professional & scientific | 2023 |
| Studio Mara Ltd | Arts & recreation | 2025 |
| Surfaceprepni Ltd | Construction | 2018 |
| SWC Essentials Ltd | Wholesale & retail | 2020 |
| Tcpd Catering Limited | Hospitality | 2025 |
| TH Aviation Engineering Ltd | Professional & scientific | 2022 |
| THE Academy of Ulster-Scots (Ullans) Limited | Administrative & support | 2003 |
| THE Belfast & County Down Railway Company Limited | Arts & recreation | 2011 |
| THE Candy Box (N.I.) Ltd | Wholesale & retail | 2017 |
| THE Groomsport Inn Bar Ltd | Hospitality | 2015 |
| THE Meadows (Donaghadee) Service Company Ltd | Households | 2019 |
| THE Merchant House (Donaghadee) Management Co. Limited | Households | 2021 |
| THREE99 Limited | Real estate | 2023 |
| Tout Technology Ltd | Professional & scientific | 2011 |
| Tresonant.Ai Ltd | Information & communication | 2026 |
| Unionist Voice Publications Ltd | Information & communication | 2021 |
| Urban Property Solutions Ltd | Construction | 2001 |
| Veolia Energy Services NI Limited | Professional & scientific | 2009 |
| Waters Edge Architects Ltd | Professional & scientific | 2013 |
| Watson’S Gardening and Maintenance Services Ltd | Administrative & support | 2024 |
| Weatherall Financial Ltd | Financial services | 2023 |
| Willowburn Ltd | Construction | 2022 |
| Wolfhound Studios Ltd | Professional & scientific | 2018 |
| Yates Property Group Ltd | Real estate | 2024 |