| Hotvetalleen 2 AS | | 2022 |
| Hotvetalleen 2 Bolig AS | Real estate | 2025 |
| Hotvetalleen 3 Bolig AS | Real estate | 2025 |
| Hotvetalleen Holding AS | Real estate | 2018 |
| Hotvetalleen SPG Holding AS | | 2022 |
| Houdini AS | Financial services | 2019 |
| Houdini Sportswear Norway AS | Wholesale & retail | 2014 |
| Houeland Eiendomsmegling AS | Real estate | 2023 |
| Hougen Management AS | Professional & scientific | 2014 |
| House AS | Wholesale & retail | 2014 |
| House Legal Advokat AS | Professional & scientific | 2023 |
| House of 360 AS | Professional & scientific | 2024 |
| House of Abba AS | Information & communication | 2026 |
| House of Accounting AS | Professional & scientific | 1976 |
| House of Agile AS | Information & communication | 2019 |
| House of Balance AS | Education | 2019 |
| House of Bikes AS | Wholesale & retail | 2022 |
| House of Bonobo AS | Administrative & support | 2025 |
| House of Builders AS | Real estate | 2017 |
| House of Business AS | Real estate | 2010 |
| House of Business Holding AS | Professional & scientific | 2019 |
| House of Business Solli AS | Real estate | 2013 |
| House of Control AS | Information & communication | 2006 |
| House of Creation AS | Professional & scientific | 2021 |
| House of Curls AS | Other services | 2022 |
| House of Discs Topco AS | | 2022 |
| House of Dranks AS | Hospitality | 2024 |
| House of Fades AS | Other services | 2016 |
| House of Fett AS | Professional & scientific | 2026 |
| House of Freter AS | Hospitality | 2008 |
| House of Future AS | Real estate | 2011 |
| House of Good People AS | Manufacturing | 2020 |
| House of Health AS | Health & social care | 2020 |
| House of Health Holding AS | Health & social care | 2021 |
| House of Holmedal AS | Manufacturing | 2021 |
| House of Hovland AS | | 2025 |
| House of Leonore AS | Wholesale & retail | 2026 |
| House of Lobos AS | Professional & scientific | 2024 |
| House of Magmalou AS | Professional & scientific | 2019 |
| House of Math AS | Education | 2025 |
| House of Math Invest AS | | 2022 |
| House of Maverix AS | Information & communication | 2017 |
| House of May AS | Professional & scientific | 2025 |
| House of Men AS | Wholesale & retail | 2019 |
| House of More AS | Wholesale & retail | 2021 |
| House of Nerds Holding AS | Information & communication | 2016 |
| House of Nerds Vulkan AS | Arts & recreation | 2019 |
| House of Nia AS | Professional & scientific | 2014 |
| House of Norway AS | Hospitality | 1996 |
| House of Oslo AS | Real estate | 2018 |
| House of Padel AS | Arts & recreation | 2020 |
| House of Peaces Ans | Education | 2025 |
| House of Presence AS | Other services | 2021 |
| House of Renewables AS | Professional & scientific | 2024 |
| House of Renewables Group AS | Professional & scientific | 2024 |
| House of Sales AS | Professional & scientific | 2015 |
| House of Scotland AS | Wholesale & retail | 2021 |
| House of Smiles AS | Health & social care | 2023 |
| House of Street Foods AS | Hospitality | 2020 |
| House of Supply Chain AS | Professional & scientific | 2021 |
| House of Sushi Kiellands Plass AS | Hospitality | 2013 |
| House of Svabø AS | Professional & scientific | 2025 |
| House of Travel AS | Administrative & support | 2014 |
| House of Wine AS | Wholesale & retail | 2008 |
| House-Of-Sushi AS | Hospitality | 2012 |
| House-Panxon Holding Limited | | 2023 |
| HOUSE21 AS | Hospitality | 2025 |
| Housebook AS | Professional & scientific | 2012 |
| Housegarden AS | Wholesale & retail | 2019 |
| Houseland Experiences Holding Limited | | 2022 |
| Houseofgrete Nuf | Professional & scientific | 2024 |
| Hov Landed AS | Professional & scientific | 2025 |
| Hovdan Poly AS | Wholesale & retail | 1998 |
| Hovdan Seil AS | Manufacturing | 1998 |
| Hovde Og Paulsen Elektrikerservice Da | Construction | 2002 |
| Hovden Consult AS | Professional & scientific | 2010 |
| Hovden Invest Limited Nuf | Real estate | 2006 |
| Hovdetun Drift AS | Hospitality | 2026 |
| Hovdetun Utvikling AS | Health & social care | 2026 |
| Hove Production AS | Information & communication | 2025 |
| Hovedbyen 23 AS | | 2025 |
| Hovedgahr Holding AS | Real estate | 2021 |
| Hovedkvarteret IT AS | Information & communication | 2021 |
| Hovedstaden AS | Real estate | 2007 |
| Hovedstaden Eiendom AS | Real estate | 1986 |
| Hovedstaden Eiendomsselskab AS | Real estate | 2005 |
| Hovedstaden Utvikling AS | Real estate | 2015 |
| Hovemovegen 35 AS | Real estate | 2014 |
| Hovenggata 5 AS | Real estate | 2024 |
| Hovet & Co AS | Wholesale & retail | 1973 |
| Hovetomten AS | Real estate | 2013 |
| Hoveveien 70 AS | Real estate | 2019 |
| Hoveveien Holding AS | Real estate | 2006 |
| Hoveveien Invest AS | Real estate | 2016 |
| Hovfaret 13 AS | Real estate | 2017 |
| Hovgaard Holding AS | | 2021 |
| Hovgaard Ventures AS | Professional & scientific | 2025 |
| Hovi Holding AS | | 2020 |
| Hovin AS | | 2021 |
| Hovinbyen Energy Hub AS | Energy | 2020 |