| Hægland & Svanberg AS | Professional & scientific | 2013 |
| Hæreid MFL AS | Professional & scientific | 2020 |
| Hærverk Industrier AS | Information & communication | 2020 |
| Höegh Autliners K.K | Administrative & support | 2011 |
| Höegh Autoliners (India) PVT. Ltd | Administrative & support | 2011 |
| Höegh Autoliners (Pty) Ltd | Information & communication | 2012 |
| Höegh Autoliners AS | Transport & logistics | 1978 |
| Höegh Autoliners ASA | Transport & logistics | 2003 |
| Höegh Autoliners Inc | | 2010 |
| Höegh Autoliners Logistics AS | Transport & logistics | 2015 |
| Höegh Autoliners Management AS | Transport & logistics | 1942 |
| Höegh Autoliners Shipping 269-10 AS | Transport & logistics | 2023 |
| Höegh Autoliners Shipping 269-11 AS | Transport & logistics | 2023 |
| Höegh Autoliners Shipping 269-12 AS | Transport & logistics | 2023 |
| Höegh Autoliners Shipping 269-3 AS | Transport & logistics | 2022 |
| Höegh Autoliners Shipping 269-4 AS | Transport & logistics | 2022 |
| Höegh Autoliners Shipping 269-7 AS | Transport & logistics | 2022 |
| Höegh Autoliners Shipping 269-8 AS | Transport & logistics | 2022 |
| Höegh Autoliners Shipping 269-9 AS | Transport & logistics | 2023 |
| Höegh Autoliners Shipping 3 AS | | 2026 |
| Höegh Autoliners Shipping 4 AS | Real estate | 2026 |
| Höegh Autoliners Shipping 5 AS | Real estate | 2026 |
| Höegh Autoliners Shipping 6 AS | Real estate | 2026 |
| Höegh Autoliners Shipping 7 AS | Real estate | 2026 |
| Höegh Autoliners Shipping 8 AS | | 2026 |
| Höegh Autoliners Shipping AS | Transport & logistics | 1997 |
| Höegh Autoliners Shipping II AS | Transport & logistics | 2021 |
| Höegh Autoliners Technical Operations AS | Professional & scientific | 2022 |
| Höegh Capital Partners AS | Professional & scientific | 1983 |
| Höegh Eiendom AS | Real estate | 2005 |
| Höegh Eiendom Holding AS | Real estate | 2004 |
| Höegh Eiendom Øst AS | Real estate | 2008 |
| Höegh Eiendomsselskap AS | Real estate | 2006 |
| Höegh Evi AS | Transport & logistics | 2006 |
| Höegh Evi Fleet Management AS | Transport & logistics | 2009 |
| Höegh Evi Services AS | Transport & logistics | 2018 |
| Höegh Invest AS | Professional & scientific | 1989 |
| Höegh Sparekasse AS | Financial services | 2014 |
| Högsbo Holding AS | | 2025 |
| Hörby Maskinmontage AB Nuf | Construction | 2010 |
| Hø Holding AS | | 2022 |
| Høa AS | Financial services | 2006 |
| Hødnebø Prosjekt AS | Wholesale & retail | 2012 |
| Høeg Avkastning AS | | 2022 |
| Høeg Invest AS | Real estate | 2005 |
| Høeg Urologi AS | Health & social care | 1999 |
| Høegh Capital Partners (Pe) Limited | | 2000 |
| Høegh Hansen Eiendom AS | Construction | 2000 |
| Høegh Hansen Invest AS | Real estate | 2006 |
| Høegh Persen & Partners AS | Transport & logistics | 1981 |
| Høen Rådgivning AS | Professional & scientific | 2000 |
| Høgberget Holding AS | Professional & scientific | 2005 |
| Høgd AS | Information & communication | 2025 |
| Høgebø AS | Professional & scientific | 2007 |
| Høgebøl Invest AS | Financial services | 2014 |
| Høgeloft Holding AS | | 2021 |
| Høgenes Holding AS | Other services | 2019 |
| Høgenipa AS | Health & social care | 2005 |
| Høgesset AS | Financial services | 2010 |
| Høgestølen Eiendom AS | Real estate | 2019 |
| Høgfeldt Fine Wine Holding AS | Hospitality | 2022 |
| Høglund Byporten 599 Ans | Wholesale & retail | 2002 |
| Høglund Gunerius 892 Ans | Wholesale & retail | 2002 |
| Høglund Karl Johan 0860 Ans | Wholesale & retail | 2003 |
| Høgset Holding AS | Financial services | 2010 |
| Høgslundveien 15 & 17 AS | Real estate | 2011 |
| Høgslundveien 49 AS | Real estate | 2006 |
| Høgstenen Eiendomsutvikling AS | Real estate | 2023 |
| Høgtin AS | | 2025 |
| Høgtun Holding AS | Hospitality | 2025 |
| Høgås Butikkeiendom AS | Real estate | 2016 |
| Høgåsen Tomteutvikling AS | Real estate | 2013 |
| Høgåslia AS | | 2020 |
| Høibakk Invest AS | Professional & scientific | 1990 |
| Høiby Management AS | Information & communication | 2022 |
| Høidahl Eiendom AS | Real estate | 1999 |
| Høidahl Handel AS | Wholesale & retail | 2011 |
| Høidahl Holding AS | Real estate | 2005 |
| Høie Consulting AS | | 2014 |
| Høien AS | Professional & scientific | 2019 |
| Høienhald AS | Real estate | 2019 |
| Høier Holding AS | | 2023 |
| Høiland Capital AS | | 2021 |
| Høili Holding AS | Wholesale & retail | 1999 |
| Høine AS | Professional & scientific | 2019 |
| Høknes Invest AS | Information & communication | 2012 |
| Hølandsgata 2 Holding AS | Real estate | 2023 |
| Hølandsgt 1 AS | Households | 1959 |
| Hølding AS | | 2022 |
| Høle Invest AS | Real estate | 2005 |
| Hølmebakk Øymo AS | Professional & scientific | 2009 |
| Hølvest AS | | 2026 |
| Høn Gård Panorama AS | Real estate | 2012 |
| Høn Terrasse AS | Real estate | 2021 |
| Høndug AS | Other services | 2022 |
| Hønefoss Offentlig Eiendom AS | Real estate | 2021 |
| Hønsi Holding AS | | 2022 |
| Hør AS | Wholesale & retail | 2016 |
| Hørsel Og Tinnitusklinikken AS | Health & social care | 2023 |
| Hørselsrehabilitering AS | Health & social care | 2012 |