| 1701 Consulting Limited | Information & communication | 2019 |
| 24-7 Prayer Ireland | Health & social care | 2022 |
| A&S Digital Commerce Ltd | Wholesale & retail | 2026 |
| A.C Medical Group N.I Ltd | Health & social care | 2023 |
| Abernethy Butter Limited | Manufacturing | 2024 |
| Academy @ Alpha Limited | Education | 2023 |
| Active Therapy Clinic (NI) Limited | Health & social care | 2014 |
| Active Therapy Lisburn Limited | Health & social care | 2025 |
| Aeon Community Arts Limited | Health & social care | 2024 |
| Aghagallon Community Centre | Arts & recreation | 2012 |
| Agnail UK Limited | Water & waste | 2017 |
| Agrihealth (N.I.) Limited | Wholesale & retail | 1984 |
| AJM Precision Engineering Ltd | Professional & scientific | 2008 |
| Alana Interiors Limited | Wholesale & retail | 2008 |
| Alenny Limited | Real estate | 2015 |
| ALL in Accident Management NI Ltd | Professional & scientific | 2026 |
| Allasbrook Limited | Professional & scientific | 2008 |
| Allbern Enterprises Limited | Professional & scientific | 2020 |
| Americold Chile Holdings UK Limited | Professional & scientific | 2024 |
| Americold Holdings UK Limited | Professional & scientific | 2015 |
| Apex Embroidery Limited | Manufacturing | 2014 |
| Ardmore Rural Community Association | Arts & recreation | 2009 |
| Ascni Ltd | Wholesale & retail | 2024 |
| Askoto Limited | Administrative & support | 2023 |
| Austin Business Management Ltd | Professional & scientific | 2022 |
| Autoworx Property Ltd | Real estate | 2023 |
| B3T Gaming Ltd | Arts & recreation | 2013 |
| BAC & C Ltd | Real estate | 2026 |
| Baddeck Ltd | Real estate | 2022 |
| Bailey Waste Recycling (NI) Limited | Other services | 2002 |
| Ballydougan Holdings Limited | Professional & scientific | 2014 |
| Bawnbua Foods Ltd | Manufacturing | 1995 |
| Bawnbua Holdings Ltd | Financial services | 2026 |
| Beacon Internet Solutions Ltd | Information & communication | 2025 |
| BH Facilities and Firedoor Services Ltd | Construction | 2023 |
| Big Tee's Diner Ltd | Hospitality | 2017 |
| Billden Ltd | Construction | 2016 |
| Biskd Ltd | Professional & scientific | 2020 |
| Bitnari Ltd | Households | 2023 |
| Blackhill Energy Ltd | Wholesale & retail | 2023 |
| Blackhill Property Ltd | Construction | 2020 |
| Bloodstone Tattoo Collective Ltd | Other services | 2018 |
| BMA Kitchens Ltd | Construction | 2008 |
| BMK Decor Ltd | Wholesale & retail | 2017 |
| Boconnell Developments Limited | Professional & scientific | 2001 |
| Boconnell Properties Ltd | Construction | 1997 |
| Bodyfit Gym Ltd | Arts & recreation | 2026 |
| Bonne Prise Limited | Financial services | 2016 |
| Breakthrough Recruitment Ltd | Administrative & support | 2008 |
| Bridge House Management Services (Kilmore) Limited | Professional & scientific | 2004 |
| Bridgeway Pro Barriers Limited | Extraterritorial | 2014 |
| Brownlow Estate and Investment Company Limited | Real estate | 1964 |
| Brownlow House Community Interest Company | Hospitality | 2017 |
| C&D Scaffolding Services Ltd | Construction | 2022 |
| Camag Holdings Limited | Financial services | 2016 |
| Canavan Clockmakers Ltd | Manufacturing | 2011 |
| Carn Plastics Limited | Manufacturing | 2001 |
| Carnteel Limited | Extraterritorial | 2012 |
| Carvill Construction Limited | | 1966 |
| Cfni Ltd | Manufacturing | 2024 |
| Choice Carpets Lurgan Ltd | Wholesale & retail | 2020 |
| Club Travel Corporate and Retail Travel Services Limited | Administrative & support | 2026 |
| Commit Lifestyle Coaching Limited | Health & social care | 2021 |
| Connected Fitness Ltd | Arts & recreation | 2018 |
| Coolsands Limited | Professional & scientific | 2008 |
| Cooney PVC Windows & Doors Ltd | Construction | 2023 |
| CP Mcmahon Media Ltd | Professional & scientific | 2022 |
| CPT Sourcing Limited | Wholesale & retail | 2023 |
| CTZ (Mourneview) Limited | Hospitality | 2024 |
| D&A Properties (NI) Limited | Construction | 2005 |
| D&K (NI) Enterprises Ltd | Real estate | 2006 |
| Daybreak PVT Ltd | Health & social care | 2021 |
| Derryinver Poultry Limited | Agriculture & fishing | 1982 |
| Derrytrasna Playgroup | Health & social care | 2011 |
| Dimirko Ltd | Administrative & support | 2023 |
| Dina Limited | Financial services | 2019 |
| DK Digital Limited | Wholesale & retail | 2023 |
| Dormar Properties Ltd | Real estate | 2006 |
| DPJ Rentals Limited | Real estate | 2016 |
| Droghal Farm Ltd | Agriculture & fishing | 2002 |
| Drumaduan Limited | Real estate | 2013 |
| Dunmail Limited | Wholesale & retail | 2005 |
| Electec (NI) Limited | Construction | 2008 |
| Elevate (Ireland) Ltd | Wholesale & retail | 2016 |
| EN Place Foods Limited | Manufacturing | 2025 |
| Engage Go Ltd | Information & communication | 2023 |
| Enterprise Stationery Limited | Manufacturing | 1982 |
| Erne Leisure Development Company Limited | Administrative & support | 1993 |
| Eugene Clarke Ltd | Construction | 2007 |
| Evolve NI Estates Limited | Real estate | 2022 |
| F H Commercials Ltd | Wholesale & retail | 2006 |
| Farland Hillsborough Limited | Construction | 2018 |
| Firsttrust Paving and Asphalt Limited | Construction | 2017 |
| Fonz World Ltd | Wholesale & retail | 2026 |
| Foxberry Fruit Farm Ltd | Agriculture & fishing | 2009 |
| Foxford Construction Ltd | Construction | 2016 |
| Foxy Solutions Ltd | Information & communication | 2022 |
| Foye Freight Ltd | Transport & logistics | 2019 |
| Fultons Interiors Ltd | Wholesale & retail | 2012 |
| G.D. Henderson Construction Limited | Construction | 2014 |