| Energy 19 Limited | Energy | 2024 |
| Erkal Co Limited | Real estate | 2021 |
| ERT Educational Research & Training Limited | Education | 2016 |
| Euro Autospares Commercials Ltd | Real estate | 2021 |
| Euro Autospares Limited | Wholesale & retail | 2016 |
| Europass (N.I.) Ltd | | 1990 |
| Evergreen Community Centre Ltd | Other services | 2024 |
| Everyday Beautiful Limited | Arts & recreation | 2014 |
| Evoke Productions Ltd | Professional & scientific | 2018 |
| Fairways Outreach Services Ltd | Health & social care | 2014 |
| Fallen Shamrock Studios Ltd | Information & communication | 2024 |
| Farm O'K Co Ltd | Agriculture & fishing | 2024 |
| Farran Auto Sales Limited | Wholesale & retail | 2025 |
| FAT Willy's Restaurant Limited | Hospitality | 2024 |
| Ferguson & Logue LLP | | 2010 |
| Ferguson Logue Ltd | Professional & scientific | 2014 |
| Fivey Properties Limited | Real estate | 2024 |
| FJK 10 Ltd | Real estate | 2020 |
| Flavour Stash Ltd | Wholesale & retail | 2025 |
| FMC Auctions Ltd | Wholesale & retail | 2012 |
| Football Special Ltd | Wholesale & retail | 2012 |
| Forge Female Fitness Ltd | Arts & recreation | 2023 |
| Forsythe Construction Limited | Construction | 2018 |
| Fresh to the Door Ltd | Wholesale & retail | 2018 |
| Fridge Freight ( Ireland) Limited | Transport & logistics | 2023 |
| Gamble Transport International Ltd | Transport & logistics | 2018 |
| Geotechnical Environmental Services Limited | Professional & scientific | 2015 |
| GF Construction Ltd | Construction | 2003 |
| GH Auto Services Ltd | Wholesale & retail | 2022 |
| GHG Legal Limited | Professional & scientific | 2021 |
| GHG Solicitors Limited | Professional & scientific | 2011 |
| Glebeside Community Association Limited | Arts & recreation | 2014 |
| Glenstall IT Limited | Information & communication | 2014 |
| Golden ORA Ltd | Hospitality | 2025 |
| Gowlands CPC Limited | Real estate | 2018 |
| Ground Espresso Bars (UK North) Limited | Hospitality | 2019 |
| Ground Espresso Bars (UK South) Limited | Hospitality | 2019 |
| Ground Espresso Bars Limited | Hospitality | 2014 |
| Ground to Go Limited | Hospitality | 2017 |
| Grow Connect Ltd | Wholesale & retail | 2025 |
| H2 Home Delivery Ltd | Transport & logistics | 2025 |
| Happy Days Community Childcare Centre | Other services | 2010 |
| Hastings Solicitors LLP | | 2017 |
| Hawkeye Automotive Limited | Wholesale & retail | 2020 |
| Head for Orbit Games Ltd | Information & communication | 2025 |
| Health Industries Ltd | Health & social care | 2019 |
| Heat & Energy Consulting Limited | Construction | 2021 |
| Heathside Group Limited | Other services | 2019 |
| Henderson Food Halls Limited | Wholesale & retail | 2003 |
| Here Architects Ltd | Professional & scientific | 2016 |
| Herstory - Women in Loyalism C.I.C. | Education | 2024 |
| Hillside Commercial Livestock Ltd | Wholesale & retail | 2024 |
| Hnry Property Limited | Real estate | 2026 |
| Holgar Windows & Guttering Ltd | Construction | 2012 |
| HOPE2FAMILIES | Other services | 2021 |
| Horizon Two SIX Ltd | Professional & scientific | 2012 |
| Hot CHA BT53 Limited | Hospitality | 2023 |
| HR Wilson Associates Ltd | Financial services | 2012 |
| Human Features Ltd | Professional & scientific | 2017 |
| Hunter Farms Limited | Wholesale & retail | 2026 |
| I J Lynn & Sons Ltd | Construction | 2017 |
| IAH Group Ltd | Financial services | 2023 |
| IAN Elliott Safeguarding Limited | Professional & scientific | 2013 |
| Imcc Asset Management Limited | Financial services | 2021 |
| Indus Valley Express Ltd | Manufacturing | 2019 |
| Injuice Ltd | Manufacturing | 2021 |
| Innovaqor Ltd | Information & communication | 2026 |
| Inshinagh Lane Ltd | Energy | 2012 |
| Instok.Farm Limited | Information & communication | 2026 |
| Inver Properties Limited | Construction | 2006 |
| Irish Bowls Federation Limited | Other services | 2025 |
| J Adams & Sons Transport Ltd | Transport & logistics | 2011 |
| J G Kennedy and SON | Wholesale & retail | 2013 |
| J P & Sons Builders Limited | Construction | 2016 |
| J Taylor Ropes 4 Access Ltd | Construction | 2025 |
| Jack Mccaughern Trade Sales Ltd | Wholesale & retail | 2026 |
| Jacks Film Co Ltd | Information & communication | 2016 |
| Jacks Motorcycle Services Ltd | Wholesale & retail | 2025 |
| James Mcmullan & SON | Financial services | 2015 |
| Jamison's (Garage) Ltd | Wholesale & retail | 2015 |
| Jamison's Mechanical Services Limited | Construction | 2016 |
| Jcdc Global Construction Ltd | Construction | 2025 |
| JCU Prop Ltd | Real estate | 2025 |
| JF Car Sales Limited | Wholesale & retail | 2014 |
| Jiameimeijj Ltd | Wholesale & retail | 2025 |
| JME Electric (NI) Limited | Construction | 2013 |
| JMK Electrical Services Ltd | Construction | 2008 |
| John Mcelderry (Motors & Tractors) Limited | Wholesale & retail | 2004 |
| JP and Sons Builders (Portstewart) Limited | Construction | 2023 |
| JS Windscreens Limited | Wholesale & retail | 2026 |
| Jtcu Trading Ltd | Wholesale & retail | 2021 |
| JWL Energy & Sustainability Consulting Ltd | Professional & scientific | 2023 |
| K and F Electrics Ltd | Construction | 2018 |
| Karma Soup Surf Co Ltd | Manufacturing | 2023 |
| KBC Construction Limited | Construction | 2014 |
| Kenver Estates Ltd | Construction | 2020 |
| KHM Power Limited | Energy | 2014 |
| Killogue Properties | Construction | 2016 |
| Killycon Haulage Ltd | Transport & logistics | 2020 |
| Kilmoyle AD Limited | Energy | 2016 |