| Analytika Ventures 8 AS | | 2022 |
| Analytika Ventures 9 AS | | 2023 |
| Analytika Ventures Delta Holding AS | | 2020 |
| Analytika Ventures I AS | | 2019 |
| Analytika Ventures Sondo Holding AS | | 2022 |
| Analytika Ventures Vi AS | | 2020 |
| Analytiks AS | Professional & scientific | 2024 |
| Analytiq AS | Information & communication | 2025 |
| Analytt AS | Information & communication | 2021 |
| Anam Holding AS | Transport & logistics | 2024 |
| Ananas AS | Wholesale & retail | 2017 |
| Ananas Holding AS | Information & communication | 2024 |
| Ananasbrus Med Pere AS | Financial services | 2016 |
| Ananda AS | Professional & scientific | 2002 |
| Ananda Invest AS | Real estate | 2012 |
| Ananja AS | Financial services | 2002 |
| Ananki AS | Information & communication | 2017 |
| Anansi AS | Information & communication | 2020 |
| Anansi Group AS | | 2026 |
| Anaplasis AS | Wholesale & retail | 2021 |
| Anar Invest AS | | 2021 |
| Anas Eiendomsutvikling Norge AS | Real estate | 2025 |
| Anastasia Holding AS | Financial services | 2010 |
| Anastasia Invest AS | | 2024 |
| Anastasia Utvikling AS | Real estate | 2022 |
| Anatomix AS | Wholesale & retail | 2017 |
| Anatomix Holding AS | Wholesale & retail | 2017 |
| Anaxo Capital AS | Financial services | 2010 |
| Anaxo Forvaltning AS | Financial services | 2014 |
| Anber Holding AS | | 2023 |
| Anber Invest AS | | 2024 |
| Anbesa AS | | 2005 |
| Anbessa Advisory AS | Professional & scientific | 2026 |
| Anbo Holding AS | | 2026 |
| Anbu AS | Professional & scientific | 2024 |
| Anbynor AS | Professional & scientific | 2024 |
| Anc AS | Information & communication | 2012 |
| Anca Jalba AS | Wholesale & retail | 2026 |
| Ancan Gruppen AS | Professional & scientific | 1996 |
| Ancata AS | Financial services | 2005 |
| Anceca AS | Real estate | 1992 |
| Anchau AS | Hospitality | 2024 |
| Anchor Australia AS | Transport & logistics | 2026 |
| Anchor Challenger AS | Transport & logistics | 2026 |
| Anchor Holdings AS | Real estate | 2005 |
| Anchor Launcher AS | Transport & logistics | 2026 |
| Anchor Secondary 6 AS | Financial services | 2010 |
| Anchor Secondary 7 AS | Financial services | 2012 |
| Anchora Capital AS | Financial services | 2022 |
| Anchora Management AS | Financial services | 2022 |
| Anchora SPV I AS | | 2023 |
| Anchorman AS | Transport & logistics | 2020 |
| Ancla Da | Professional & scientific | 2024 |
| Ancom AS | Professional & scientific | 2000 |
| Ancora Imparo AS | | 2024 |
| Ancora Invest AS | Real estate | 2008 |
| Ancoras AS | Professional & scientific | 2024 |
| Ancoris 1060 AS | | 2020 |
| Andalucia AS | Real estate | 2008 |
| Andaluzevent AS | Administrative & support | 2014 |
| Andam AS | Education | 2024 |
| Andambrosia AS | Wholesale & retail | 2022 |
| Andante AS | Wholesale & retail | 2013 |
| Andara AS | Professional & scientific | 2022 |
| Andarø AS | | 2025 |
| Andasol AS | Education | 2012 |
| Andata AS | Professional & scientific | 2007 |
| Andballoons AS | Wholesale & retail | 2020 |
| Andberg-Moum AS | Professional & scientific | 2020 |
| Andebu Sentrumsbygg AS | Real estate | 1989 |
| Andedammen AS | Education | 1997 |
| Andedammen Holding AS | Hospitality | 2025 |
| Andelslaget Snelda Ba | Real estate | 2007 |
| Andelslaget Va-Nordneset | Water & waste | 2004 |
| Andenes Holding AS | Real estate | 2016 |
| Andenes Ventures AS | Financial services | 2018 |
| Andeng Plasseringer AS | | 2022 |
| Andenæs AS | Real estate | 2004 |
| Andenæs VVS AS | Construction | 1991 |
| Andenæsgruppen AS | Real estate | 2008 |
| Anderberg Holding AS | | 2021 |
| Anderich Invest AS | Real estate | 2016 |
| Anders AS | Real estate | 2011 |
| Anders Augestad AS | Wholesale & retail | 1985 |
| Anders Augestad Holding AS | | 2025 |
| Anders Beer AS | Education | 2025 |
| Anders Bilverksted AS | Other services | 2020 |
| Anders H. Schau & Co AS | Mining & quarrying | 2016 |
| Anders Hamstad AS | | 2020 |
| Anders Hauge Holding AS | | 2026 |
| Anders Henriksen AS | Financial services | 2005 |
| Anders Hessevik AS | | 2025 |
| Anders Jahnsen Invest AS | Professional & scientific | 2017 |
| Anders Johnsen AS | Construction | 1980 |
| Anders Johnsen Eiendom AS | Construction | 2006 |
| Anders Johnsen Holding AS | Construction | 2005 |
| Anders Moe Holding AS | Professional & scientific | 2021 |
| Anders Nesse AS | Financial services | 2005 |
| Anders Opsahl Holding AS | Wholesale & retail | 2005 |
| Anders Røberg-Larsen AS | Professional & scientific | 2023 |