| Haugåsstubben 14 AS | Construction | 2009 |
| Haugåsstubben 3 AS | Real estate | 2012 |
| Haugåsstubben 5 AS | Real estate | 1990 |
| Haugåsstubben 6 AS | Real estate | 2013 |
| Haugåsstubben 7 AS | Real estate | 2015 |
| Haugåsstubben 8 AS | Real estate | 2006 |
| Haugåsveien 18 AS | Real estate | 2021 |
| Haugåsveien 36 AS | Real estate | 2007 |
| Haukelid Eiendom AS | Real estate | 2024 |
| Haukelid Holding AS | Health & social care | 2024 |
| Haukås Konsulentene AS | | 2006 |
| Hausi AS | Real estate | 2018 |
| Hausken Eiendom AS | Real estate | 1981 |
| Hausken Tekniske AS | Wholesale & retail | 1998 |
| Hausta Eiendom AS | Financial services | 2021 |
| Hausta Investor AS | Financial services | 2017 |
| Hausta Kapitalforvaltning AS | Financial services | 2010 |
| Hausta Vekst AS | Financial services | 2021 |
| Hav Dyp AS | Administrative & support | 2011 |
| Hav Regnskap AS | Professional & scientific | 2022 |
| Hav Regnskap Stavanger AS | Professional & scientific | 2023 |
| Havana - Magasinet AS | Wholesale & retail | 1899 |
| Havana Holding AS | Wholesale & retail | 2012 |
| Havana Investering AS | Real estate | 2011 |
| Haver Advokatfirma AS | Professional & scientific | 2016 |
| Havglød AS | Other services | 2026 |
| Havgol AS | Real estate | 2005 |
| Havik Holding AS | Real estate | 2024 |
| Havkongen AS | Wholesale & retail | 2021 |
| Havkraft AS | Professional & scientific | 2009 |
| Havkraft Solutions AS | Energy | 2015 |
| Havly Hotell Stavanger AS | Hospitality | 2016 |
| Havn Acquisition Vehicle AS | | 2025 |
| Havn Acquisition Vehicle II AS | | 2025 |
| Havn Capital Fund I AS | Professional & scientific | 2022 |
| Havn Capital Fund I Holding AS | Financial services | 2022 |
| Havn Capital II AS | Professional & scientific | 2023 |
| Havn Capital II GP AS | | 2024 |
| Havn Invest AS | | 2025 |
| Havneenergi AS | Professional & scientific | 2025 |
| Havstjerne Ans | Professional & scientific | 2023 |
| Havstø AS | Professional & scientific | 2020 |
| Haystad Holding AS | Hospitality | 2022 |
| Hazl AS | Professional & scientific | 1983 |
| HC Investering AS | Financial services | 2005 |
| HC Sentrum AS | Hospitality | 2025 |
| Hc's Økonomi & Regnskap AS | Professional & scientific | 1990 |
| Hcon Ans | Professional & scientific | 2000 |
| Hcon AS | Information & communication | 2005 |
| HD Bolig AS | Real estate | 2023 |
| HD Oil Technology Holding AS | Professional & scientific | 1986 |
| HD Oil Technology Oiltech AS | Professional & scientific | 2008 |
| Headlock AS | | 2018 |
| Headrock AS | Wholesale & retail | 2008 |
| Headroom Concepts AS | Real estate | 2000 |
| Heads Up AS | Professional & scientific | 2012 |
| Healing Hub AS | Other services | 2022 |
| Healthcatalyst AS | Professional & scientific | 2022 |
| Heat Sauna AS | Administrative & support | 2024 |
| Hebing Dekorasjoner AS | Wholesale & retail | 2016 |
| Hebris AS | Real estate | 2005 |
| Hebro AS | Wholesale & retail | 2021 |
| Hebros Utvikling AS | Financial services | 2010 |
| Heca Holding AS | | 2019 |
| Hedberg Invest AS | Manufacturing | 1982 |
| Heddeveien Eiendom BHG AS | Real estate | 2006 |
| Heddeveien Fus Barnehage AS | Education | 2018 |
| Hedin Automotive AS | Wholesale & retail | 2006 |
| Hedin Automotive Bavaria AS | Wholesale & retail | 1991 |
| Hedin IT AS | Information & communication | 2024 |
| Hedin Performance Cars AS | Wholesale & retail | 2006 |
| Hedmant Invest AS | Professional & scientific | 2011 |
| Hedwig Øgreid Invest AS | Wholesale & retail | 2007 |
| Heer Group AS | Professional & scientific | 2025 |
| Hege Forus Rådgivning AS | Professional & scientific | 2014 |
| Heggen Film AS | Information & communication | 2025 |
| Hegre Holding AS | | 2020 |
| Hegre Invest AS | | 2020 |
| Hegre Investering AS | Information & communication | 1996 |
| Hegreberg Holding AS | | 2023 |
| Hegri AS | Wholesale & retail | 2012 |
| Heiamyra AS | Real estate | 2008 |
| Heidrun Boliger AS | Real estate | 2013 |
| Heidrun Hagen AS | Real estate | 2012 |
| Heifa AS | | 2025 |
| Heilo AS | Information & communication | 2025 |
| Heim Eiendom AS | Wholesale & retail | 1993 |
| Heimdal Forvaltning AS | Financial services | 2006 |
| Heime Eiendom AS | Real estate | 2019 |
| Heime Proptech AS | Information & communication | 2021 |
| Heimto AS | Information & communication | 2015 |
| Heine Husdal Invest AS | | 2022 |
| Heirloom AS | | 2023 |
| Heitmann Konsulentfirma AS | | 2018 |
| Hek Invest AS | | 2024 |
| Hekka Hverdagshjelp AS | Health & social care | 2026 |
| Hekta Holding AS | | 2026 |
| Helen & Hard Holding AS | Real estate | 2015 |
| Helen Sirnes AS | Professional & scientific | 2023 |
| Helge Torjussen AS | Construction | 2005 |