| Gard Senter AS | Real estate | 2002 |
| Garnhimmelen AS | Wholesale & retail | 2019 |
| Garnius.No AS | Wholesale & retail | 2014 |
| Garnkroa AS | Wholesale & retail | 1965 |
| Garpeskjær Eiendom AS | Real estate | 2010 |
| Gastro Legegruppen Glazkov AS | Health & social care | 2015 |
| GD Transportservice AS | Transport & logistics | 2026 |
| Geb Investering AS | | 2025 |
| Geen Invest AS | | 2023 |
| Geir Gismervik Photography AS | Professional & scientific | 1992 |
| Geir Leifsen AS | Wholesale & retail | 2012 |
| Genfer Group AS | Real estate | 2006 |
| Genfer Hotel Canaletta Spolka Z Ograniczona Odpowiedzialnoscia | | 2025 |
| Genfer Hotel Gdansk SP. Z.O.O. | | 2020 |
| Genfer Hotel Kazimierz Spolka Z Ograniczona Odpowiedzialnosciascia | | 2025 |
| Genfer Hotel Krakow SP. Z.O.O. | | 2020 |
| Genfer Hotel Poznan Spolka Z Ograniczona Odpowiedzialnoscisa | | 2025 |
| Genfer Hotel Warszawa Spolka Z Ograniczona Odpowiedzialnoscia | | 2025 |
| Genfer Hotel Wroclaw SP. Z.O.O. | | 2020 |
| Gentleman Barberstue AS | Other services | 2017 |
| Geo Im I AS | | 2024 |
| Geo Im II AS | | 2024 |
| Get a Gig AS | Information & communication | 2016 |
| GH Invest AS | | 2020 |
| Ghorbani Holding AS | | 2025 |
| Ghorbani Taxi AS | Transport & logistics | 2025 |
| Gi Energy AS | Professional & scientific | 2014 |
| Gimlegaarden AS | Real estate | 2012 |
| Gitarlageret Da | Wholesale & retail | 2009 |
| Gjelsten. Holding AS | Real estate | 2005 |
| Gjerde AS | Wholesale & retail | 2020 |
| Gjert Arnold Karlsen AS | Manufacturing | 2017 |
| Gjøvåg Elektro AS | Construction | 2024 |
| Glass Specialists Norway AS | Other services | 2016 |
| Glassenteret AS | Construction | 2022 |
| GLG Eiendom AS | Real estate | 2024 |
| Glimt Interiør & Entreprenør AS | Professional & scientific | 2020 |
| Glo Capital AS | Financial services | 2024 |
| Global Alu Services AS | Financial services | 2007 |
| Global Ship Harbour AS | Information & communication | 2025 |
| GLR AS | Construction | 2021 |
| GMJ AS | Professional & scientific | 2021 |
| Gmvbest AS | Information & communication | 2012 |
| GNL Eiendom AS | Real estate | 2024 |
| Gode Historier AS | Information & communication | 2023 |
| Golfstrøm Invest AS | Real estate | 2008 |
| Goliatvind AS | Energy | 2023 |
| Goliatvind Holdco AS | Energy | 2022 |
| Gonar Norge AS | Wholesale & retail | 2016 |
| GPS Helse AS | Health & social care | 2012 |
| Grade AS | Professional & scientific | 2021 |
| Graf Eiendom AS | Construction | 2020 |
| Granittveien 80 AS | Real estate | 2019 |
| Grannesgt. 25 AS | Real estate | 2005 |
| Green Management AS | Transport & logistics | 1995 |
| Green Reefers Ltd | | 1999 |
| Green Shipping AS | Administrative & support | 1997 |
| Greentech Invest AS | Professional & scientific | 2007 |
| Grefsen Alle 12 Holding AS | Real estate | 2011 |
| Grex AS | Information & communication | 2022 |
| Grid Fus Barnehage AS | Education | 2025 |
| Grimstad Retail AS | Wholesale & retail | 2024 |
| Grinde Maritime AS | Education | 2012 |
| Grumek Subsea AS | Manufacturing | 2013 |
| Gruppereiser AS | Administrative & support | 2004 |
| Grutle Invest AS | Real estate | 2007 |
| Grutle Total AS | Construction | 2024 |
| Grønbech Lindø AS | | 2022 |
| Grønhaug Marineconsult AS | Financial services | 2008 |
| Grønn Invest AS | Real estate | 2007 |
| Grønnestad Hårdesign Skaaregaten 140 AS | Other services | 2005 |
| Grønnheim Eiendom Ans | Real estate | 1995 |
| Grønstølhuset AS | Transport & logistics | 2005 |
| Gründerloftet AS | Real estate | 2016 |
| GS Galatasaray AS | Transport & logistics | 2020 |
| GS Reklame Partner AS | Professional & scientific | 2007 |
| GSK Invest AS | Financial services | 2005 |
| GTH Invest AS | Financial services | 2013 |
| Gu Invest AS | Real estate | 2015 |
| Gullhuset H162 AS | Real estate | 2025 |
| Gulvverket AS | Information & communication | 2026 |
| Gumabe AS | Real estate | 2005 |
| Gustav Eidsvåg Containertransport AS | Transport & logistics | 2023 |
| Gustav Eidsvåg Langtransport AS | Transport & logistics | 2011 |
| Gutek Trucks Norway AS | Hospitality | 2026 |
| Gutt Holding AS | | 2025 |
| Gvo Offshore Onshore AS | Construction | 2024 |
| Gymplan AS | Wholesale & retail | 2024 |
| Gymsalen AS | Education | 2021 |
| Gyn Meb AS | Health & social care | 2013 |
| Gynekolog Silje Karlsen AS | Health & social care | 2024 |
| Gynekologene På Haugalandet AS | Real estate | 2016 |
| Gyntor Eiendom AS | Real estate | 2016 |
| H Holgersen Eiendom AS | Real estate | 1990 |
| H Holgersen Optikk AS | Wholesale & retail | 1983 |
| H-F Eiendom AS | Real estate | 2025 |
| H-F Holding AS | Real estate | 2024 |
| H-K Eiendom AS | Real estate | 2005 |
| H. White Holding AS | | 2024 |
| H.B.O Grafisk AS | Manufacturing | 2024 |