| 19 by K & R Catering Ltd | Hospitality | 2024 |
| 24 Coffee Ltd | Hospitality | 2025 |
| 73 ANN Street Management Company Limited | Extraterritorial | 2006 |
| Access Compliance Group Ltd | Professional & scientific | 2025 |
| Aganmore Farm Glamping Limited | Hospitality | 2024 |
| Agricultural Solar Investments Limited | Energy | 2013 |
| AK OFF Road Ltd | Wholesale & retail | 2026 |
| Alastair Mchenry Construction Holdings Ltd | Financial services | 2022 |
| Alastair Mchenry Construction Ltd | Construction | 1999 |
| AN TÚS NUA Ltd | Construction | 2018 |
| ANN ST Mews Property Management Company Ltd | Households | 2016 |
| Antrim Coast Investments Ltd | Real estate | 2022 |
| Ascnd Performance Ltd | Arts & recreation | 2026 |
| Atell Consulting Limited | Professional & scientific | 2025 |
| Atlantic Creative Ltd | Information & communication | 2020 |
| B.H.C. Distributors Limited | Wholesale & retail | 1997 |
| Bailey Accountancy Ltd | Professional & scientific | 2022 |
| Bailey Architecture Ltd | Professional & scientific | 2022 |
| Bailey Waste Ltd | Water & waste | 2016 |
| Ballybrakes Properties Ltd | Construction | 2010 |
| Ballycairn Management Company Ltd | Households | 2024 |
| Ballycastle & District Angling Club Limited | Arts & recreation | 2024 |
| Ballycastle Climbing Frames NI Ltd | Manufacturing | 2020 |
| Ballycastle Community Group C.I.C. | Hospitality | 2024 |
| Ballycastle Homecare Ltd | Wholesale & retail | 2004 |
| Ballycastle Memorials Ltd | Other services | 2024 |
| Ballypatrick Management Company Limited | Extraterritorial | 2013 |
| BB Bars Ltd | Hospitality | 2024 |
| Bella JO Ltd | Wholesale & retail | 2020 |
| Benmore Nutrition & Fitness Ltd | Arts & recreation | 2020 |
| Bespoke Design Ballycastle Ltd | Manufacturing | 2025 |
| Bespoke Garden Rooms Ballycastle Ltd | Manufacturing | 2025 |
| Bespoke Window and Door Systems NI Limited | Manufacturing | 2025 |
| Bewlake Cabins & Containers Ltd | Transport & logistics | 2024 |
| Bewlake Civils Ltd | Construction | 2024 |
| Bewlake Lift and Haul Ltd | Transport & logistics | 2019 |
| Blackmore Fuels Ltd | Wholesale & retail | 2016 |
| Blether & Brew Ltd | Hospitality | 2026 |
| Boyle Inns Limited | Hospitality | 2014 |
| Broughgammon Farm LLP | | 2018 |
| Broughgammon Limited | Manufacturing | 2016 |
| Butler Mortgage Solutions Ltd | Financial services | 2021 |
| Calorgen Biomass Ltd | Manufacturing | 2013 |
| Campbell & Co. Solicitors Ltd | Professional & scientific | 2014 |
| Carnog Ltd | Information & communication | 2019 |
| Carrowkeel Holdings Ltd | Financial services | 2017 |
| Causeway Coast Kayaking Tours Ltd | Administrative & support | 2018 |
| Causeway Coast Maritime Heritage Ltd. | Arts & recreation | 2020 |
| Causeway Telecoms Planning Ltd | Professional & scientific | 2025 |
| CDB Bars Ltd | Hospitality | 2023 |
| Charlie's Cabin Ltd | Hospitality | 2022 |
| Chat.S.I. Limited | Hospitality | 2008 |
| CMC Electrical Serv Ltd | Construction | 2024 |
| COA Property & Investments Ltd | Real estate | 2025 |
| Connolly Bars Ltd | Hospitality | 2007 |
| Connolly Partners Ltd | Financial services | 2026 |
| Connolly Wines Ltd | Wholesale & retail | 2007 |
| Connollys' Liquor Wholesale Limited | Wholesale & retail | 2009 |
| Core Architecture & Design Limited | Professional & scientific | 2025 |
| Corma Properties Ltd | Real estate | 2025 |
| Corrymeela Community-The. | Education | 1966 |
| Coyles Fishing Ltd | Agriculture & fishing | 2021 |
| Cranagh RÍ Pods Ltd | Hospitality | 2020 |
| Creatorclash Ltd | Professional & scientific | 2025 |
| CTH Civil Engineering Limited | Professional & scientific | 2018 |
| D&T Mchenry Holdings Ltd | Financial services | 2021 |
| D&T Mchenry Ltd | Construction | 2022 |
| D&T Mchenry Property Ltd | Real estate | 2021 |
| Dairymac Ltd | Wholesale & retail | 2007 |
| Denmac Developments Limited | Construction | 2007 |
| DG Business Support Services Limited | Administrative & support | 2017 |
| DMB Electrical Ltd | Construction | 2013 |
| DMC Film Limited | Information & communication | 2010 |
| DPC Global Limited | Professional & scientific | 2024 |
| Edaphon S-Oil TEC Ltd | Extraterritorial | 2007 |
| Empire Design & Construction (N.I.) Limited | Construction | 2017 |
| Equitell Limited | Information & communication | 2021 |
| Eshery Electrical & Communications Ltd | Construction | 2024 |
| Eternum (N.I.) Limited | Other services | 2016 |
| Eweco Wool Limited | Manufacturing | 2025 |
| Explore and Snore Ltd | Administrative & support | 2022 |
| Fairhead Consulting Ltd | Professional & scientific | 2012 |
| Firbolg Holdings Ltd | Manufacturing | 2026 |
| Flat Roofing Services Ltd | Construction | 2025 |
| Forensic Psychology (NI) Ltd | Health & social care | 2025 |
| Foxfields (Coleraine) Management Company Limited | Households | 2020 |
| Gaelic Gear Ltd. | Wholesale & retail | 2025 |
| Geoflow Consulting Limited | Professional & scientific | 2022 |
| Ghbox Ltd | Arts & recreation | 2024 |
| GI Hospitality Ltd | Administrative & support | 2024 |
| Giants Rest Ltd | Real estate | 2024 |
| Glass Island View Developments Limited | Real estate | 2020 |
| Glenn Properties Limited | Hospitality | 2020 |
| Golf Giants Ltd | Wholesale & retail | 2024 |
| Goodlad Management Services Ltd | Professional & scientific | 2018 |
| Healthy Smiles Independent Dental Hygiene Clinic Ltd | Health & social care | 2025 |
| Heartofni Limited | Wholesale & retail | 2018 |
| Hooj JO Limited | Wholesale & retail | 2024 |
| Human Factors ENG Ltd | Professional & scientific | 2021 |
| Ilimex Ltd | Manufacturing | 2020 |