| Go Good Ltd | Wholesale & retail | 2019 |
| Go H2 Limited | Energy | 2024 |
| Go High Level UK Ltd | Information & communication | 2022 |
| Go Office Limited | Wholesale & retail | 2017 |
| Go Order UK Ltd | Wholesale & retail | 2025 |
| Go PIG OR Go Home Limited | Manufacturing | 2019 |
| Go Pro Kart Racing Limited | Arts & recreation | 2014 |
| Go Sun Restaurant Ltd | Hospitality | 2018 |
| Go Testify Limited | Information & communication | 2016 |
| Go Trade (N.I) Ltd | Manufacturing | 2020 |
| GO2 Recruit Ltd | Administrative & support | 2017 |
| GO2BSA Limited | Real estate | 2014 |
| Goag Productions Ltd | Information & communication | 2021 |
| Gobowen Transport Limited | | 1997 |
| GOC Estate Agents Limited | Real estate | 2011 |
| Gocellular Ltd | Wholesale & retail | 2023 |
| GOD Tier Global Ltd | Wholesale & retail | 2021 |
| God's Own Motors Limited | Wholesale & retail | 2021 |
| Godfrey Investments Limited | Extraterritorial | 1998 |
| Godfrey North Limited | Other services | 2016 |
| Godfrey Performance & Consulting Ltd | Arts & recreation | 2025 |
| Godteam Ltd | Wholesale & retail | 2025 |
| Gogogone Limited | Real estate | 2021 |
| Gojof Consultancy Limited | Real estate | 2025 |
| Gola Wood Works Ltd | Manufacturing | 2008 |
| GOLA5 Limited | Health & social care | 2024 |
| Gold Build Limited | Construction | 2019 |
| Gold Daybreak Limited | Wholesale & retail | 2024 |
| Gold HAT Consulting (N.I) Ltd | Administrative & support | 2011 |
| Gold Star Genetics (N.I.) Limited | | 1992 |
| Gold Vault Giveaways Ltd | Arts & recreation | 2025 |
| Goldburg Investments Ltd | Real estate | 2020 |
| Goldcrest Computing Limited | Information & communication | 2017 |
| Golden Arum Limited | Real estate | 2024 |
| Golden Atlas Ltd | Wholesale & retail | 2023 |
| Golden Bell Takeaway Ltd | Hospitality | 2021 |
| Golden Boat Shankill Limited | Hospitality | 2025 |
| Golden Bowl 95 Ltd | Hospitality | 2026 |
| Golden Bowl BT5 Limited | Hospitality | 2020 |
| Golden Bowl Chen Ltd | Hospitality | 2025 |
| Golden Caterers Limited | Hospitality | 2026 |
| Golden China LIN Ltd | Hospitality | 2025 |
| Golden Cuisine Limited | Hospitality | 2019 |
| Golden EGG Partnership Limited | Real estate | 2014 |
| Golden Gate Oriental Ltd | Hospitality | 2021 |
| Golden Harvest Mengjia Ltd | Hospitality | 2021 |
| Golden Homes (N.I.) Limited | Agriculture & fishing | 2023 |
| Golden Phoenix GUO Ltd | Hospitality | 2025 |
| Golden Pinnacle Trade Limited | Wholesale & retail | 2025 |
| Golden Rock Takeaway Ltd | Hospitality | 2020 |
| Golden Sand Belfast Limited | Hospitality | 2026 |
| Golden Stone Construction Ltd | Construction | 2021 |
| Golden Stream Trading Develop Limited | Wholesale & retail | 2026 |
| Golden Sun 20258 Ltd | Hospitality | 2025 |
| Golden Thread Gallery Ltd | Arts & recreation | 2001 |
| Golden Valley Belfast Ltd | Hospitality | 2023 |
| Golden Welcome 393 Limited | Hospitality | 2024 |
| Golden Well 19 Limited | Hospitality | 2019 |
| Goldenfry Foods N.I. Ltd | Manufacturing | 2021 |
| Goldie Lucks Competitions Limited | Arts & recreation | 2025 |
| Goldleaf (UK) Management Co. Ltd | Real estate | 2019 |
| Goldline Transport Limited | Transport & logistics | 2025 |
| Goldring ENT Ltd | Construction | 2025 |
| Goldstone Consulting Ltd | Information & communication | 2019 |
| Goldstone Hall Management Company Limited | Real estate | 2013 |
| Golf Approach Limited-The | Wholesale & retail | 1998 |
| Golf Equip Ltd | Wholesale & retail | 2014 |
| Golf Road Developments Limited | Real estate | 2018 |
| Golf View Apartments Limited | Real estate | 1988 |
| Golf With Ireland Ltd | Administrative & support | 2017 |
| GOLF365 Limited | Administrative & support | 2020 |
| Goliad Ltd | Financial services | 2017 |
| Goliath Recruitment Ltd | Administrative & support | 2024 |
| Gone Rogue Advertising and Design Ltd | Professional & scientific | 1996 |
| Good AS New ( N I ) Limited | Administrative & support | 2016 |
| Good Fortune BT4 Limited | Hospitality | 2023 |
| Good Friday 2028 Limited | Information & communication | 2025 |
| Good Import Best Export Ltd | Wholesale & retail | 2024 |
| Good Lead U.K Ltd | Wholesale & retail | 2015 |
| Good Light Films Limited | Information & communication | 2024 |
| Good Neighborhood Ltd | Information & communication | 2025 |
| Good New Wind Limited | Wholesale & retail | 2023 |
| Good to Go Cafe & Food Ltd | Wholesale & retail | 2023 |
| Goodal Shopping Limited | Wholesale & retail | 2025 |
| Gooddeal Team Limited | Wholesale & retail | 2025 |
| Goodfellas Bialann Ltd | Hospitality | 2026 |
| Goodpurchase Cart Limited | Wholesale & retail | 2025 |
| Goodrooms Limited | Real estate | 2024 |
| Goody Estates Ltd | Real estate | 2024 |
| Goose Lane Property Limited | Administrative & support | 2008 |
| Gopeak Horizon Ltd | Wholesale & retail | 2025 |
| Goraya Ltd | Manufacturing | 2025 |
| Gordon FAN Service (NI) Ltd | Construction | 2016 |
| Gordon Scott Property Services Ltd | Administrative & support | 2017 |
| Gordon Watters Dental Laboratory Limited | Health & social care | 2005 |
| Gormleys Auctions Ltd | Wholesale & retail | 2011 |
| Gorse Meadows Management Company Limited | Extraterritorial | 2014 |
| Gorsebank Holdings Ltd | Construction | 2017 |
| Gort NA Mona Sports Association | Arts & recreation | 1997 |
| Gortaclee Court Management Company Limited | Households | 2007 |