| Gastokk AS | Construction | 2025 |
| Gauken Bygg AS | Construction | 2023 |
| Gausland Invest AS | | 2019 |
| Gaute Lunde Transport AS | Transport & logistics | 2012 |
| Gaute Rostrup AS | Wholesale & retail | 1987 |
| Gaute Rostrup Eiendom AS | Real estate | 2002 |
| Gaute Rostrup Kunstformidling Og Eiendom AS | Real estate | 2008 |
| Gauthun Holding AS | Real estate | 2016 |
| GB Ventilasjon AS | Construction | 2019 |
| Gba Engineering and Construction Limited | Professional & scientific | 2007 |
| Gba Holding AS | Wholesale & retail | 2005 |
| GBM AS | Construction | 2024 |
| Gdi AS | Financial services | 2005 |
| Geb Holding AS | Professional & scientific | 2005 |
| Geb Malerservice AS | Construction | 2025 |
| Geddon 1 AS | Wholesale & retail | 2019 |
| Geilen Trykk & Design AS | Professional & scientific | 2023 |
| Geir Bosvik Holding AS | | 2021 |
| Geir Stangeland Holding AS | Administrative & support | 2005 |
| Geir Vinnes AS | Real estate | 1985 |
| Geir Vølstad Holding AS | Construction | 2005 |
| Gel Holding AS | | 2022 |
| Gemoil AS | Professional & scientific | 2014 |
| Genesis Energies Norway AS | Mining & quarrying | 2011 |
| Genesis Oil & Gas Consultants Ltd | Professional & scientific | 1996 |
| Genimott Invest AS | | 2020 |
| Genisys AS | | 2022 |
| Geograf Digital AS | Professional & scientific | 2019 |
| Geograf Maritim AS | Professional & scientific | 2019 |
| Geolog North Sea BV Norway Branch Nuf | Professional & scientific | 2014 |
| Georg Kverneland AS | Information & communication | 2016 |
| Gerds Trafikkskole AS | Education | 1984 |
| Gerd´S Eiendom AS | Real estate | 1990 |
| Germann Vervik Eftf AS | Wholesale & retail | 1993 |
| Germansen Maskinværksted Nuf | Administrative & support | 2002 |
| Get Capital AS | Financial services | 2021 |
| Get Power AS | Administrative & support | 2024 |
| Get Visible AS | Information & communication | 2026 |
| GG Collective AS | Wholesale & retail | 2023 |
| GH Service AS | Financial services | 2015 |
| Ghianda Kapital AS | | 2022 |
| GHN Eiendom AS | Real estate | 2001 |
| Gi Jernet Invest AS | | 2025 |
| Gif Holding AS | | 2017 |
| Giljastølen AS | Real estate | 2007 |
| Giljastølen Hyttefelt AS | Real estate | 2018 |
| Giljastølen Vann Og Kloakk AS | Water & waste | 2021 |
| Gilje Group AS | Professional & scientific | 2020 |
| Gilje Hebnes Holding AS | Health & social care | 2019 |
| Gilje-Sørnes Holding AS | Construction | 2023 |
| Giljes AS | Real estate | 1992 |
| Giljes Eiendom AS | Real estate | 1992 |
| Gimre Invest AS | Financial services | 2018 |
| Ginger Invest AS | Construction | 2020 |
| Ginsive AS | Professional & scientific | 2009 |
| Gisken Invest AS | Financial services | 2006 |
| Gitana AS | | 2012 |
| Gjedrem Holding AS | Financial services | 2014 |
| Gjenreist AS | Real estate | 2026 |
| Gjerde Investering AS | | 2018 |
| Gjermund Furenes AS | Wholesale & retail | 2005 |
| Gjersdal AS | Wholesale & retail | 2025 |
| Gjesdal Apotek AS | Wholesale & retail | 2011 |
| Gjesdal Holding AS | Real estate | 2007 |
| Gjesdalveien 16 AS | Real estate | 2014 |
| Gjesdalveien 38 AS | Real estate | 2020 |
| Gjestalveien Conditori - Avd. Gjestalveien AS | Wholesale & retail | 2023 |
| Gjestalveien Conditori - Avd. Hoveveien AS | Manufacturing | 2023 |
| Gjøa Holding AS | Construction | 2019 |
| Glacier Energy Services Limited | Professional & scientific | 2016 |
| Glade Smil Tannlege AS | Health & social care | 2017 |
| Gladskap AS | Other services | 2022 |
| Glaser AS | | 2026 |
| Glassgrossisten AS | Construction | 2010 |
| Glasshuset Eiendom AS | Real estate | 2021 |
| Glasshuset Norge AS | Manufacturing | 2005 |
| Glassløsninger AS | Wholesale & retail | 2011 |
| Gleding United AS | Education | 2019 |
| Glena AS | Financial services | 2011 |
| Global Engros AS | Wholesale & retail | 2023 |
| Global Office AS | Information & communication | 2013 |
| Globo.No AS | Transport & logistics | 2022 |
| Glocal Tax & Payroll AS | Professional & scientific | 2017 |
| Glow House Beauty AS | Other services | 2025 |
| GLV-421 AS | | 2025 |
| GML. Sokndalsvei 38 AS | Real estate | 2007 |
| GMV AS | Manufacturing | 1994 |
| Gnist-Psykologer AS | Health & social care | 2008 |
| Go Handel AS | Wholesale & retail | 2001 |
| Go Trening Sandnes AS | Arts & recreation | 2025 |
| GO4 Tbe Holding AS | Administrative & support | 2023 |
| Goated AS | | 2024 |
| Godeset Kapital AS | | 2024 |
| Godt Brød Sandnes AS | Manufacturing | 2019 |
| Goggen Eiendom AS | Real estate | 2005 |
| Goggen Investering AS | | 2024 |
| Golden House Sandnes AS | Hospitality | 2015 |
| Golden Star Take Away AS | Hospitality | 2014 |
| Goldfinger Invest AS | | 2019 |
| Golf Management AS | Arts & recreation | 1990 |