| Hauggruppen Investering AS | | 2017 |
| Haugli AS | Wholesale & retail | 1999 |
| Haugli Bakeri AS | Hospitality | 1996 |
| Haugli Bakeri Butikk AS | Wholesale & retail | 1986 |
| Haugli Bakeri Produksjon AS | Manufacturing | 1996 |
| Haugli Eiendom AS | Real estate | 1924 |
| Haugsbu AS | Financial services | 2010 |
| Haugsvill Holding AS | Financial services | 2016 |
| Haukanes Maritime AS | Real estate | 2019 |
| Hauso Holding AS | | 2025 |
| Hausta AS | Education | 2026 |
| Havets Skatter AS | Wholesale & retail | 2025 |
| Havnekraft AS | Energy | 2020 |
| Havneraas Bygg & Hage AS | Construction | 2014 |
| HB Finans AS | Financial services | 2005 |
| HCH Invest AS | Real estate | 2016 |
| HD Bilpleie AS | Other services | 2020 |
| Health & Relax AS | Other services | 2022 |
| Hedda Leknes Invest AS | | 2025 |
| Hedegaard Eiendom AS | Real estate | 1996 |
| Hedman AS | Wholesale & retail | 2011 |
| Hege Aasbøe Hårdesign AS | Other services | 2024 |
| Hegglund Holding AS | | 2016 |
| Heider Takst AS | Real estate | 2024 |
| Heim Properties AS | | 2018 |
| Heine Asheim Holding AS | | 2024 |
| Heiramix AS | Professional & scientific | 2007 |
| Hejac AS | | 2024 |
| Hejo AS | Health & social care | 1989 |
| Hejo Invest AS | Financial services | 2005 |
| Helge Olsen Eiendom AS | Real estate | 1999 |
| Helgelands Musikk AS | Wholesale & retail | 1975 |
| Hello Agency AS | Manufacturing | 2023 |
| Helsehuset Haugesund AS | Real estate | 2013 |
| Helsehuset Kiropraktikk AS | Health & social care | 2015 |
| Helseleveranser AS | Wholesale & retail | 1985 |
| Hemmingstad Eiendom AS | Real estate | 2000 |
| Hemmingstad Maler AS | Construction | 2021 |
| Hemmingstadvegen 27 AS | Real estate | 2022 |
| Henderson Park Invest AS | Real estate | 2016 |
| Hendersons Bilutleie AS | Administrative & support | 2021 |
| Henningway Revisjon AS | Professional & scientific | 2022 |
| Henriksen Marki Invest AS | | 2020 |
| Henriksen SMB Analytics AS | Information & communication | 2023 |
| Her & Jor Holding AS | Wholesale & retail | 2022 |
| Herberg Investment AS | | 2026 |
| Herivest AS | | 2014 |
| Herjer Mma AS | Wholesale & retail | 2015 |
| Hestia AS | | 1996 |
| Hetlevik Holding AS | Financial services | 2014 |
| Hettervik Eiendom AS | Real estate | 2024 |
| Hettervik Holding AS | Professional & scientific | 2005 |
| Heva Invest AS | | 2021 |
| Heynor AS | Wholesale & retail | 2024 |
| Hfhbygg AS | Construction | 2018 |
| Hga Invest AS | | 2025 |
| HGB Invest AS | | 2022 |
| HGT115 AS | Real estate | 2025 |
| Hhelse AS | Health & social care | 2023 |
| HHM Eiendom AS | Real estate | 2024 |
| High Kites Regnskap Haugesund AS | Professional & scientific | 2025 |
| High Voltage Robotics AS | Information & communication | 2023 |
| Hil-Hallen AS | Arts & recreation | 2010 |
| Hinderlid Eiendom AS | Real estate | 2020 |
| Hinderlid Holding AS | Construction | 2015 |
| Hippodromen AS | Manufacturing | 1993 |
| Hiv AS | | 2021 |
| HJD Holding AS | Real estate | 2007 |
| HJD Investering AS | Real estate | 2021 |
| HJG Holding AS | | 2005 |
| Hjtalmo Invest AS | Financial services | 2016 |
| Hk-Holdco AS | | 2026 |
| HLL Holding AS | | 2021 |
| HLS Eiendom AS | Real estate | 2025 |
| HMS Bedriftshelsetjeneste Ans | Health & social care | 2010 |
| HNP 2AB AS | Real estate | 2025 |
| Hobbes AS | | 2021 |
| Holding Haugaland Næringspark AS | Real estate | 2021 |
| Holding Partner AS | Hospitality | 1994 |
| Holgersen Optikk Holding AS | Wholesale & retail | 2016 |
| Hollenderhaugen AS | Households | 1953 |
| Holmegata 79 AS | Real estate | 2020 |
| Holmegaten Familiebarnehage Ans | Education | 1997 |
| Holmen Gaard AS | Agriculture & fishing | 2025 |
| Holtenborg 2 AS | | 2026 |
| Holtenborg AS | Construction | 2021 |
| Hommelia Tomt AS | Real estate | 2023 |
| Honganvik Vedlikehold AS | Administrative & support | 2022 |
| Hope Norway Eiendom AS | Real estate | 2019 |
| Hope-Invest & Consulting AS | Administrative & support | 2020 |
| Hopes Renhold Da | Administrative & support | 1988 |
| Horizon Properties AS | Real estate | 2025 |
| Horizon Villa AS | Real estate | 2025 |
| Hos Carlos AS | Hospitality | 2021 |
| Hos Robin AS | Education | 2016 |
| Hot Parts Bilimport Ans | Wholesale & retail | 1998 |
| Hotel Amanda AS | Hospitality | 1987 |
| Hotelldrift Haugesund AS | Hospitality | 2014 |
| House of Livonia AS | Wholesale & retail | 2016 |
| Housk AS | | 2005 |