| G.Hognestad AS | Construction | 2024 |
| G.Hognestad Holding AS | Construction | 2024 |
| Gaf Holding AS | Hospitality | 2021 |
| Galleri Betong AS | Manufacturing | 2015 |
| Gand Elektro AS | Construction | 2002 |
| Ganddal Industripark AS | Construction | 2026 |
| Garasjeproffen AS | Real estate | 2026 |
| Garborg Horpestad AS | | 2022 |
| Gbe AS | Real estate | 2007 |
| GBR Holding AS | Real estate | 2007 |
| Gdpet Holding AS | | 2025 |
| Gedao Holding AS | Real estate | 2007 |
| Geir Salte Holding AS | | 2026 |
| Generis AS | Professional & scientific | 2016 |
| Geotrace Technologies Ltd | Professional & scientific | 1996 |
| Gesork AS | | 2022 |
| Giag AS | Wholesale & retail | 1989 |
| Glasshuset AS | Real estate | 2021 |
| Glaze AS | Information & communication | 2020 |
| Gleden Omsorg AS | Health & social care | 2024 |
| Glødefisk AS | Professional & scientific | 2011 |
| GNT Solutions AS | Professional & scientific | 2020 |
| Granberg Butikkdrift AS | Wholesale & retail | 2017 |
| Grava AS | Construction | 2020 |
| Grava Entreprenør AS | Construction | 2008 |
| Grayston Holding AS | Real estate | 2005 |
| Gre Invest AS | | 2006 |
| Greko Eiendom AS | Real estate | 1986 |
| Grensesnitt AS | Information & communication | 2017 |
| Ground Equipment Support - Ges AS | Professional & scientific | 2012 |
| Grunn-Service AS | Construction | 1985 |
| Grunn-Service Gruppen AS | Construction | 2021 |
| Grunn-Service Holding AS | Construction | 2011 |
| Grunn-Sør AS | Construction | 2020 |
| GS Transport AS | Construction | 2023 |
| GSL Invest AS | Financial services | 2005 |
| Guh Invest AS | Financial services | 2007 |
| Guler AS | Transport & logistics | 2025 |
| Gunns Stil Ans | Manufacturing | 2002 |
| Gya Holding AS | Real estate | 2022 |
| Gya Invest AS | Financial services | 2006 |
| H J Oftedal AS | Construction | 2016 |
| H72 Holding AS | Real estate | 2021 |
| Haakonsen AS | Professional & scientific | 2016 |
| Haarr AS | | 2024 |
| Haglei Holding AS | Financial services | 2005 |
| Haki AS | Professional & scientific | 1996 |
| Halltor AS | Real estate | 2003 |
| Halo Assets AS | Administrative & support | 2020 |
| Hammer- & Spikergutta AS | Construction | 2011 |
| Hans Og Grete Dame & Herrefrisør AS | Other services | 1997 |
| Hansen Downhole Pump Solutions AS | Professional & scientific | 2012 |
| Haraldsgata 107 AS | Real estate | 2018 |
| Hart Holding AS | Financial services | 2013 |
| Hatteland Maskinstasjon AS | Construction | 2015 |
| Haugland Agri AS | Administrative & support | 2016 |
| Haugland Gardsbarnehage AS | Education | 2022 |
| Hauglandbadstue AS | Real estate | 2024 |
| Haugstad Capital AS | | 2026 |
| Haugtussa 13 AS | Real estate | 2018 |
| Hav Holding AS | Professional & scientific | 2005 |
| Havblå AS | Construction | 2020 |
| Havnegården Sandnes AS | Real estate | 2009 |
| Hawii Holding AS | | 2021 |
| Heba AS | Real estate | 2017 |
| Hebra AS | Wholesale & retail | 1991 |
| Hebra Eiendom AS | Real estate | 2014 |
| Heggland AS | | 2018 |
| Helgason Holding AS | Real estate | 2010 |
| Helland AS | Real estate | 2018 |
| Helland Investering AS | | 2019 |
| Helseth Technology AS | Information & communication | 2018 |
| Hema Eiendom AS | Real estate | 2018 |
| Heos Invest AS | | 2022 |
| Herigstad Holding AS | | 2023 |
| Herigstad Plaststøperi AS | Manufacturing | 2023 |
| Herikstad Jerseymeieriet AS | Wholesale & retail | 2026 |
| Herjedal AB Holding AS | | 2026 |
| Heskestad Capital AS | | 2026 |
| Heskestad Invest AS | | 2023 |
| Heskje Eiendom AS | Real estate | 2010 |
| Hetlandsgata 26 AS | Real estate | 2015 |
| Hetlandsgata 5 AS | Real estate | 2008 |
| HG Byggeråd AS | Professional & scientific | 2016 |
| Hjellvik Invest AS | Professional & scientific | 2014 |
| Hjo AS | Construction | 2024 |
| HM Installasjon AS | Construction | 2025 |
| Hnitberg Invest AS | | 2022 |
| Hnoss Holding AS | Real estate | 2021 |
| Hobberstad & Byberg Hair AS | | 2024 |
| Hodne Cad Invest AS | Professional & scientific | 2021 |
| Hodne Drift AS | Professional & scientific | 2010 |
| Hodne Gartneri AS | Agriculture & fishing | 1998 |
| Hodne Group AS | Real estate | 2005 |
| Hog Solutions AS | Wholesale & retail | 2012 |
| Hognest AS | Mining & quarrying | 2018 |
| Hognestad AS | Administrative & support | 1988 |
| Hognestadvegen 88 AS | Professional & scientific | 2013 |
| Hognestadvegen Invest AS | Real estate | 2020 |
| Holen Autosalg AS | Wholesale & retail | 2017 |