| Godhavn Regnskap AS | Professional & scientific | 2005 |
| Godhavn Utbygging AS | Real estate | 2021 |
| Godord AS | Professional & scientific | 2023 |
| Gods AS | Arts & recreation | 2013 |
| Godthåb Utvikling AS | Real estate | 2021 |
| Godø Holding AS | Financial services | 2018 |
| Gohas AS | Financial services | 2017 |
| Going Holding AS | | 2021 |
| Golav Holdings AS | | 2024 |
| Golden Kebab AS | Hospitality | 2012 |
| Goldenoak AS | | 2022 |
| Goldknopf Invest AS | Financial services | 2017 |
| Golfers Scandinavia AS | Wholesale & retail | 2017 |
| Golfsims Nordic AS | Professional & scientific | 2024 |
| Golh Holding AS | Real estate | 2005 |
| Golightly AS | Wholesale & retail | 2022 |
| Goluft AS | Construction | 2021 |
| Gomarina AS | Information & communication | 2021 |
| Gomdir AS | Wholesale & retail | 2025 |
| Gomo Holding AS | | 2026 |
| Gonzo Consulting AS | Information & communication | 2026 |
| Gonzo Solutions Da | Information & communication | 2025 |
| Gonzo Solutions Holding AS | | 2026 |
| Gonzodocs AS | Information & communication | 2015 |
| Goodness Holding AS | | 2021 |
| Gopad AS | Administrative & support | 2014 |
| Gordius AS | Real estate | 2005 |
| Gorgon Invest AS | Administrative & support | 2017 |
| Gorilla Grip Holding AS | | 2025 |
| Gossé Consulting AS | Education | 2020 |
| Gou AS | | 2020 |
| GP Metro AS | Wholesale & retail | 2017 |
| GR Maskin AS | Construction | 2009 |
| Gr-Eat AS | Hospitality | 2023 |
| Gr-Eat Holding AS | Hospitality | 2023 |
| Graffi Drift AS | Hospitality | 2019 |
| Graffi Produksjon AS | Hospitality | 2017 |
| Grafisk Design AS | Manufacturing | 1994 |
| Grafisk Maskinservice AS | Manufacturing | 1999 |
| Grain Station Ans | Professional & scientific | 2016 |
| Granada Capital AS | | 2020 |
| Granbo AS | Construction | 2025 |
| Grand Cru Holding AS | Professional & scientific | 2013 |
| Grande Produksjon AS | Information & communication | 2013 |
| Granefjell Revisjon AS | Professional & scientific | 2005 |
| Granmo Bolig AS | Real estate | 2017 |
| Grano Osteria AS | Hospitality | 2022 |
| Grano Søndre AS | Wholesale & retail | 2020 |
| Grano Tiller AS | Hospitality | 2024 |
| Granås Næring 2 AS | Real estate | 2017 |
| Granåsen Aktivum AS | Arts & recreation | 2011 |
| Granåsen Bygg AS | Construction | 2012 |
| Granåsen Dagligvare AS | Wholesale & retail | 2024 |
| Granåsen Gård Bakken AS | Real estate | 2017 |
| Granåsen Konferanse AS | Real estate | 2012 |
| Granåsen Legesenter AS | Health & social care | 2013 |
| Granåsen Skytehall AS | Real estate | 2018 |
| Granåsen Test- Og Treningslab AS | Health & social care | 2022 |
| Granåslia Vel SA | Other services | 2010 |
| Granåsvegen 51 AS | Real estate | 2025 |
| Granåsvegen Utvikling AS | Real estate | 2021 |
| Granåsveien 1 AS | Real estate | 2016 |
| Granåsveien 13 AS | Real estate | 2006 |
| Granåsveien 3 Ans | Real estate | 1998 |
| Granåsveien 3 AS | Real estate | 2005 |
| Granåsveien 7 AS | Real estate | 2012 |
| Granåsveien 9 AS | Real estate | 2016 |
| Gratitude Capital AS | Financial services | 2014 |
| Gravdahl Capital AS | | 2026 |
| GRAVITY8 AS | Wholesale & retail | 2017 |
| Gravstein Norge AS | Wholesale & retail | 2015 |
| Green Mobility AS | Transport & logistics | 2020 |
| Green Network Development AS | Professional & scientific | 1997 |
| Green Ocean Harvest AS | Professional & scientific | 2017 |
| Green Transformation AS | Professional & scientific | 1996 |
| Greenfields Nordic AS | Wholesale & retail | 2019 |
| Greenmarker X AS | Professional & scientific | 2025 |
| Greens Creative AS | Manufacturing | 1998 |
| Greenvestment AS | Real estate | 2021 |
| Greenway AS | Manufacturing | 1998 |
| Greenway Barges AS | Transport & logistics | 2011 |
| Greenway Property AS | Real estate | 2008 |
| Greenway Shipping AS | Transport & logistics | 2011 |
| Gregus Eiendom AS | Real estate | 2009 |
| Gregus Gate 12 Hjelpeselskap AS | Real estate | 2025 |
| Gregus Invest AS | Real estate | 1983 |
| Greinna Invest AS | Real estate | 2021 |
| Grenor AS | Professional & scientific | 2007 |
| Grenor Kamerun AS | Energy | 2012 |
| Grensen 13 AS | Real estate | 2021 |
| Gresset Er Grønnere AS | Hospitality | 2012 |
| Gretchen AS | Professional & scientific | 2005 |
| Grevene Langs Hemmelige Selskap AS | Information & communication | 2020 |
| Grevling Invest AS | Financial services | 2011 |
| Grevskott Invest AS | | 2024 |
| Grey Matter Cognition AS | Information & communication | 2026 |
| Gridscout AS | Professional & scientific | 2015 |
| Griff Drift AS | Real estate | 2026 |
| Griff Eiendom AS | Real estate | 2020 |
| Griff Entreprenør AS | Construction | 2019 |