| 1 and 3 AVA Street Management Company Limited | Households | 2025 |
| A L Contracts (N.I.) Ltd | Construction | 2012 |
| Aavaa Group Ltd | Professional & scientific | 2022 |
| Abci Retirement Benefits Limited | Professional & scientific | 2019 |
| AD Management Ltd | Real estate | 2023 |
| Adnova Consulting Ltd | Professional & scientific | 2016 |
| Akhr Properties Ltd | Real estate | 2025 |
| Aligned Financial Planning Ltd | Financial services | 2020 |
| AMS Properties (N.I.) Ltd | Real estate | 2016 |
| ARH Properties Ltd | Real estate | 2015 |
| ARK Twenty Ltd | Wholesale & retail | 2025 |
| Arvia Limited | Real estate | 2025 |
| ASL Auto Services Ltd | Transport & logistics | 2021 |
| Autocleen NI Ltd | Administrative & support | 2021 |
| Autotech Motors Ltd | Wholesale & retail | 2015 |
| Avant-Garde Lease & Rentals Ltd. | Transport & logistics | 2013 |
| Ballywhiskin Developments Limited | Construction | 2021 |
| Bann Property Management Limited | Real estate | 2018 |
| Bann Solutions Limited | Information & communication | 2017 |
| Banzar Limited | Professional & scientific | 2026 |
| Barista Masterclass Ltd | Education | 2025 |
| Bauhinia Palace Ltd | Hospitality | 2011 |
| BFI Bathrooms for Ireland Limited | Wholesale & retail | 2012 |
| Bistro Este Limited | Hospitality | 2019 |
| Blaired Holdings Ltd | Financial services | 2023 |
| Box to Box Investments Ltd | Real estate | 2021 |
| BPR Contracts Limited | Manufacturing | 2017 |
| BTE (NI) Consulting Limited | Professional & scientific | 2024 |
| Cafe Revive Lurgan Ltd | Hospitality | 2022 |
| Carnival Bingo Larne Ltd | Arts & recreation | 2015 |
| Cashelbrook Limited | Real estate | 2012 |
| Castle Holdings Property Management Ltd | Households | 2025 |
| Central Electrical Supplies Limited | Wholesale & retail | 1986 |
| Chris Hamill Signs Ltd | Professional & scientific | 2024 |
| Chrisjenkinsni Ltd | Wholesale & retail | 2018 |
| CJD Farms Limited | Agriculture & fishing | 1995 |
| Clarawood Property Solutions Ltd | Real estate | 2025 |
| Clinker Pubs Limited | Hospitality | 2018 |
| Clonoe Properties Ltd | Real estate | 2021 |
| Cloud Hammer Limited | Arts & recreation | 2011 |
| CMG Tipper Hire Limited | Administrative & support | 2015 |
| Coffee Box (N.I.) Limited | Hospitality | 2021 |
| Colive Limited | Real estate | 2025 |
| Consite Solutions Limited | Wholesale & retail | 2018 |
| Copped Limited | Information & communication | 2021 |
| Crawford & Garrett (Carryduff) Limited | Real estate | 1979 |
| Credit Risk Brokers Limited | Financial services | 2017 |
| CS Ecommerce Ltd | Wholesale & retail | 2023 |
| D.O'Gorman Medical Limited | Health & social care | 2011 |
| Dandelion Studio (NI) Limited | Professional & scientific | 2018 |
| Dark Horse Leisure Limited | Arts & recreation | 2020 |
| David Smyth Dentist Ltd | Health & social care | 2010 |
| Donal O'Connor Motors Ltd | Wholesale & retail | 2013 |
| Dornios Pizza Company Ltd | Hospitality | 2022 |
| DPO Trading Ltd | Real estate | 2013 |
| Drake Wells Stewart Limited | Professional & scientific | 2026 |
| Drumkeen Holdings Limited | Real estate | 1972 |
| Drumkeen Limited | Financial services | 2006 |
| Dundil Limited | Real estate | 2019 |
| Durka Durka Ltd | Financial services | 2010 |
| East IS Best Ltd | Real estate | 2023 |
| Ebro Valves Limited | Manufacturing | 1996 |
| Eco Living Belfast Ltd | Real estate | 2025 |
| Eden Property Services Ltd | Construction | 2016 |
| Edenview Construction Ltd | Construction | 2020 |
| EJ Rocky Property Ltd | Real estate | 2025 |
| Epsilon Planning LLP | | 2016 |
| Fane Valley (NI) Limited | Professional & scientific | 2015 |
| Fane Valley Feeds Limited | Manufacturing | 1991 |
| Fane Valley Stores Limited | Wholesale & retail | 1997 |
| Fidara Limited | Information & communication | 2026 |
| Flying Media Ltd | Professional & scientific | 2014 |
| Garrett Homes (NI) Ltd | Construction | 2012 |
| Garth C Beattie Surgical Limited | Real estate | 2015 |
| Gate Solutions Installation & Maintenance NI Ltd | Manufacturing | 2025 |
| Geological Data Services Limited | Mining & quarrying | 1994 |
| Glenare Ltd | Hospitality | 2023 |
| Glume Boulangerie Ltd | Manufacturing | 2021 |
| GNH Construction Limited | Construction | 2016 |
| Greenmount Property Services Ltd | Construction | 2021 |
| GRL Health and Fitness Limited | Other services | 2019 |
| Gusto Properties Ltd | Real estate | 2025 |
| Gvmc Properties Ltd | Real estate | 2014 |
| GW Scaffolding Services Ltd | Construction | 2021 |
| Gwa-Ni Ltd | Wholesale & retail | 2019 |
| H & G Formwork Limited | Construction | 2015 |
| H & L Properties Management Ltd | Households | 2014 |
| H. Miskimmin Limited | Construction | 2003 |
| H.Flanagan Ltd | Real estate | 2024 |
| Hannan Meats Limited | Wholesale & retail | 1989 |
| Higs Contracts Ltd | Administrative & support | 2014 |
| Hillhall Ltd | Hospitality | 2019 |
| Hitec Education Centre Ltd. | Education | 2013 |
| HML Group (N.I.) Limited | Financial services | 2015 |
| Houston Developments Ltd | Construction | 2017 |
| IMC Investment Properties Ltd | Real estate | 2025 |
| Independent Healthcare Solutions (N.I.) Limited | Financial services | 2010 |
| Inicio Interiors UK Ltd | Construction | 2023 |
| INNOV8 Living Ltd | Real estate | 2020 |
| J & CH Plumbing Services Limited | Construction | 2006 |