| Glendrange Eiendom AS | Construction | 2023 |
| Glendrange Holding AS | Construction | 2019 |
| Glenn Tveite Holding AS | Financial services | 2013 |
| Gletho AS | | 2023 |
| Global Bagtag AS | Information & communication | 2023 |
| Godfoten Kiropraktikk AS | Health & social care | 2013 |
| Govertsen Film AS | Information & communication | 2007 |
| Great Group AS | Construction | 2021 |
| Great Mur AS | Construction | 2019 |
| Green Marine Group AS | Water & waste | 2020 |
| Greipstad Eiendom AS | Real estate | 2020 |
| Greleholmen Vann Og Avløp SA | Water & waste | 2017 |
| Grinde Holding AS | | 2019 |
| Grønn Trading AS | Wholesale & retail | 2018 |
| Gsaa Invest AS | | 2021 |
| Guleholmen AS | Wholesale & retail | 2021 |
| Gumpens Bygg AS | Construction | 2020 |
| Gundersen Capital AS | | 2025 |
| Gunsti Eiendom AS | Real estate | 2025 |
| Gylden 37-39 AS | Real estate | 2022 |
| Gyldenløvesgate 31 AS | Real estate | 2016 |
| Gyldenløvesgate 37-39 AS | Real estate | 2016 |
| Gyli Plast AS | Manufacturing | 1998 |
| Gynekologipraksis Ane Cecilie Munk AS | Health & social care | 2024 |
| Gårdnes Invest AS | Professional & scientific | 2010 |
| H&R Holding AS | | 2021 |
| H-Regnskap AS | Professional & scientific | 2019 |
| Haca Food AS | Hospitality | 2024 |
| Hagen Social AS | Professional & scientific | 2025 |
| Hagen Sveis Og Mekk AS | Manufacturing | 2023 |
| Hageutvikling Søgne AS | Wholesale & retail | 2021 |
| Hallandvik Prosjekt AS | Professional & scientific | 2007 |
| Halvor Holding AS | | 2022 |
| Hamresanden AS | Real estate | 2017 |
| Hands on Invest AS | Real estate | 2020 |
| Hansen Eikås Holding AS | | 2026 |
| Haor Holding AS | | 2017 |
| Hausvik AS | Financial services | 2005 |
| Heddeland Karlsen Capital AS | | 2025 |
| Heftenes Utvikling AS | Real estate | 2021 |
| Heirun AS | Construction | 2020 |
| Heisann Eiendom AS | Real estate | 2023 |
| Hekas Invest AS | Financial services | 2005 |
| Helgesen Maskinentreprenør AS | Construction | 2005 |
| Helgesen Maskinutleie AS | Administrative & support | 2009 |
| Hellesund Drift AS | Real estate | 2008 |
| Hellevig AS | Agriculture & fishing | 2022 |
| Hellvik Hus Region Sør AS | Construction | 2021 |
| Hellvik Hus Søgne Prosjekt AS | Real estate | 2012 |
| Hellvik Hus Sør AS | Construction | 1986 |
| Hellvik Hus Sør Eiendomsutvikling AS | Real estate | 2003 |
| Helse I Sentrum AS | Health & social care | 2011 |
| Henriksen Technologies AS | Professional & scientific | 2026 |
| Herjedal ST Holding AS | | 2026 |
| Hfpb AS | Professional & scientific | 2022 |
| Hightime AS | Wholesale & retail | 2021 |
| HJM Holding AS | Real estate | 2005 |
| HLP Prosjekt AS | Real estate | 2017 |
| Hoel Bygg Og Eiendom AS | Real estate | 2021 |
| Hoem Holding AS | | 2021 |
| Hoem Investments AS | Wholesale & retail | 2021 |
| Hogganvik Invest AS | | 2025 |
| Holding LF AS | | 2026 |
| Holmen Dekor AS | Professional & scientific | 2022 |
| Holmenfoss AS | Wholesale & retail | 2001 |
| Holskog AS | Wholesale & retail | 2025 |
| Holtane AS | Transport & logistics | 2013 |
| Homme Budservice AS | Transport & logistics | 2018 |
| Hoppsann Technology AS | Water & waste | 2026 |
| House of Olsrud AS | | 2024 |
| Hovden Alpin Lodge AS | Real estate | 2006 |
| Hustofta 36 AS | Real estate | 2019 |
| Hyde Holding AS | Real estate | 2012 |
| Hystad Prosjekt AS | Professional & scientific | 1989 |
| Hårfix Søgne AS | Other services | 2021 |
| Hægeland Holding AS | | 2005 |
| Hörmann Norge AS | Construction | 1999 |
| Høllen Brygge AS | Wholesale & retail | 1988 |
| Høllen Hundeklipp AS | Other services | 2025 |
| Høllen Næringspark Vest AS | Real estate | 2005 |
| Høllen Tre AS | Health & social care | 2007 |
| Høllen Vest AS | Real estate | 2001 |
| Hübert Investment AS | Financial services | 1966 |
| Ic Rådgivning AS | Professional & scientific | 2020 |
| Igneus AS | Professional & scientific | 2021 |
| Ikosa AS | | 2008 |
| Ildtec AS | Professional & scientific | 2017 |
| Imacos AS | | 2022 |
| In Loco AS | Real estate | 2005 |
| IN2WIN Holding AS | Professional & scientific | 2005 |
| Incus AS | Real estate | 2001 |
| Industritechnik AS | Professional & scientific | 2017 |
| Industritoppen Eiendom AS | Real estate | 2025 |
| Inspire Nordic AS | Professional & scientific | 2026 |
| Intelly AS | Wholesale & retail | 2011 |
| Intostocks AS | Information & communication | 2016 |
| Investisør AS | Real estate | 2024 |
| Irisi AS | Real estate | 2022 |
| Isaksen Mur Og Betong AS | Construction | 2021 |
| Jack Mix Sales Nuf | Wholesale & retail | 2010 |