| Henrik Ibsens Gate 40-42 Oslo AS | Real estate | 2015 |
| Henrik Øl Og Vinstove AS | Hospitality | 1990 |
| Henriksen La AS | Hospitality | 2023 |
| Henriksen Og Møklebust AS | | 2019 |
| Hensør AS | Financial services | 2005 |
| Herda Invest AS | Real estate | 2017 |
| Herdle Invest AS | | 2021 |
| Hereide Invest AS | | 2025 |
| Hermann Consulting AS | Real estate | 2014 |
| Hermund AS | Professional & scientific | 2008 |
| Herod AS | Professional & scientific | 2018 |
| Hersvik Holding AS | Administrative & support | 2017 |
| Hessato AS | | 1998 |
| Hetve Eiendom AS | Real estate | 1987 |
| Heyerdal Stonehange Norway Ltd Nuf | Administrative & support | 2009 |
| Heyo AS | | 2019 |
| Hfaa AS | | 2022 |
| HFX AS | Professional & scientific | 2018 |
| HG Ventures AS | Professional & scientific | 2024 |
| HGD Invest AS | Real estate | 2007 |
| Hgsv Invest AS | | 2024 |
| HGT33 AS | Real estate | 2019 |
| HH Bergen AS | Wholesale & retail | 2025 |
| HHG 25 AS | Real estate | 2018 |
| Hhhh AS | Real estate | 2011 |
| HHS Publishing AS | Information & communication | 2026 |
| HHT Holding AS | | 2023 |
| Hifix AS | Financial services | 2014 |
| High Yield Communication AS | Professional & scientific | 2012 |
| High-End Invest AS | Real estate | 2025 |
| Hihat Management AS | Professional & scientific | 2005 |
| Hikraa Holding AS | | 2024 |
| Hild AS | | 2018 |
| Hilda Invest AS | | 2021 |
| Hilde Sandvik AS | Arts & recreation | 2017 |
| Hildegunn På Torget AS | Wholesale & retail | 2012 |
| Hill & Co Advokatfirma AS | Professional & scientific | 2018 |
| Hilland Holding AS | Health & social care | 2019 |
| Hilland Øre-Nese-Hals AS | Health & social care | 2019 |
| Hillesvåg Båthavn AS | Arts & recreation | 2019 |
| Himmelblå Media AS | Information & communication | 2023 |
| Himmeløy AS | Professional & scientific | 2016 |
| Hin Da | Arts & recreation | 2024 |
| Hindenes Invest AS | Professional & scientific | 2006 |
| Hindsight AS | Professional & scientific | 2026 |
| Hinna Krossen AS | Real estate | 2005 |
| Hipos Invest AS | | 2016 |
| Hiq Analytics AS | Professional & scientific | 2025 |
| Hissig Döner AS | Hospitality | 2026 |
| Historikarverksemda SA | Arts & recreation | 2010 |
| HJ Ventures AS | | 2025 |
| Hjarle H Holding AS | Real estate | 2022 |
| Hjartholm AS | | 2026 |
| Hjelle Kjemi AS | Wholesale & retail | 1985 |
| Hjellestadvegen 196 AS | Real estate | 2019 |
| Hjellestadveien 313 AS | Real estate | 2005 |
| Hjelmen Holding AS | Construction | 2016 |
| Hjelms Vei 5 AS | Real estate | 2025 |
| Hjelp I Hjemmet AS | Health & social care | 2001 |
| Hjelset Invest AS | | 2022 |
| Hjem Kjære Hjem AS | Wholesale & retail | 1988 |
| Hjem Utvikling AS | Real estate | 2016 |
| Hjertaker Invest AS | Financial services | 2005 |
| Hjerteisentrum AS | | 2012 |
| Hjertelegen AS | Health & social care | 2021 |
| Hjertenes Eiendom AS | Real estate | 2026 |
| Hjertenes Holding AS | | 2026 |
| Hjertholm AS | Wholesale & retail | 1986 |
| Hjohar Holding AS | | 2026 |
| Hjortevegen AS | Real estate | 2022 |
| Hjortland Holding AS | Real estate | 2019 |
| Hjulmakeren AS | Other services | 2004 |
| Hkcm Global GmbH & Co. KG Nuf | Professional & scientific | 2025 |
| Hla Capital AS | | 2026 |
| HLM Arkitektur AS | Professional & scientific | 1994 |
| HLN Holding AS | Financial services | 2005 |
| HM Ansatte AS | | 2025 |
| HM Eiendomservice AS | Construction | 2023 |
| HMK Communication AS | Professional & scientific | 2019 |
| HMP Bergen AS | Real estate | 2009 |
| HMR AS | Real estate | 2005 |
| HMS Holding AS | Administrative & support | 2002 |
| HMS Sikring AS | Manufacturing | 2007 |
| HMS1 AS | Health & social care | 2010 |
| HNM Holding AS | Arts & recreation | 2020 |
| Hnsp 2 AS | Real estate | 2025 |
| Hnsp AS | Real estate | 2020 |
| Hnsp Holding AS | | 2024 |
| Hnti AS | Real estate | 2017 |
| Ho Ho Snaddermat AS | Hospitality | 2025 |
| Hobby Og Kunst AS | Wholesale & retail | 2002 |
| Hobbynor AS | Wholesale & retail | 2025 |
| Hockyrocky AS | Administrative & support | 2020 |
| Hodne Multivern AS | Wholesale & retail | 2015 |
| Hoff Arkitektur AS | Professional & scientific | 2022 |
| Hoff.Invest AS | Manufacturing | 2021 |
| Hoffmann Thinn Advokatfirma AS | Professional & scientific | 2020 |
| Hoffström Holding AS | | 2025 |
| Hoggorm AS | Hospitality | 2017 |
| Hogh AS | Professional & scientific | 2013 |