| Mosvold & Andersen Invest AS | | 2020 |
| Mosvold & Co AS | Real estate | 1982 |
| Mosvold & Pettersen Invest AS | Real estate | 2022 |
| Mosvold Bolig AS | Real estate | 2012 |
| Mosvold Denver Invest AS | | 2022 |
| Mosvold Drift AS | Construction | 1993 |
| Mosvold Eiendom AS | | 2006 |
| Mosvold Eiendomsservice AS | Real estate | 2009 |
| Mosvold Facility Management AS | Real estate | 2010 |
| Mosvold Hogga Invest AS | Financial services | 2005 |
| Mosvold Invest AS | Real estate | 2004 |
| Mosvold Investment Ltd. Cayman | | 2012 |
| Mosvold Kapital AS | Real estate | 2005 |
| Mosvold Lanka Estate AS | Real estate | 2014 |
| Mosvold Næring AS | Real estate | 1995 |
| Mosvold Pedersen Holding AS | | 2020 |
| Mosvold Rige AS | Real estate | 2006 |
| Mosvold Shipping AS | Transport & logistics | 2004 |
| Mosvold Studios AS | Information & communication | 1996 |
| Mosvold Supply Finance Limited | | 2013 |
| Mosvold-Knutsen AS | Real estate | 2004 |
| Mot Strømmen AS | Professional & scientific | 2025 |
| Motion AS | Professional & scientific | 2022 |
| Motkraft AS | Energy | 2021 |
| Moto Næring AS | Real estate | 2022 |
| Moto Sør AS | Administrative & support | 1994 |
| Motor Forum AS | Other services | 1986 |
| Motor Galleriet AS | Wholesale & retail | 2023 |
| Motor Teknikk Eiendom AS | Real estate | 2013 |
| Motor Teknikk Kristiansand AS | Wholesale & retail | 2001 |
| Motorfil AS | Other services | 2012 |
| Motorsykkelvarehuset AS | Wholesale & retail | 2019 |
| MOTORSYKLISTEN AS avd Kristiansand | Wholesale & retail | 1987 |
| Mova Invest AS | | 2021 |
| Movento AS | Professional & scientific | 2026 |
| Moveo Consulting AS | Professional & scientific | 2020 |
| Movig Tjenester AS | Other services | 2023 |
| Moy Kapital AS | | 2023 |
| Moy Pluss AS | Professional & scientific | 2016 |
| Moy Solutions AS | Information & communication | 2020 |
| MR Bilverksted AS | Other services | 2017 |
| MR Smart AS | Wholesale & retail | 2022 |
| MR. H AS | Administrative & support | 2019 |
| Mrktedge AS | Information & communication | 2024 |
| MRL Invest AS | | 2021 |
| MRN AS | Professional & scientific | 2024 |
| MRV Invest AS | | 2025 |
| MS Olsen Holding AS | Professional & scientific | 2023 |
| Msales Norway AS | Wholesale & retail | 2017 |
| Msproject Nuf | Professional & scientific | 2011 |
| Mstr AS | Information & communication | 2022 |
| Mt-Bygg AS | Construction | 2015 |
| MTH Holding AS | Real estate | 2014 |
| Multi Regnskap AS | Professional & scientific | 1988 |
| Multi-Furniture Design AS | Real estate | 2013 |
| Multiroller Norge AS | Wholesale & retail | 2025 |
| Mummidalen Barnehage AS | Education | 2010 |
| Munkegaten 2 AS | Real estate | 2018 |
| Muon AS | Information & communication | 2023 |
| Muon Holding AS | | 2025 |
| Murerfirma Yngvar Knutsen & Sønner AS | Construction | 2017 |
| Murmester Kristian Sollie AS | Construction | 2016 |
| Murmester Lindgren AS | Construction | 1995 |
| Mushom Invest AS | | 2003 |
| Musikkentreprenørene AS | Information & communication | 2014 |
| Musikkspill AS | Information & communication | 2025 |
| Musæus Holding AS | | 2021 |
| Muto Holding AS | | 2025 |
| Muuh AS | Information & communication | 2012 |
| MV Brannrådgivning AS | Professional & scientific | 2026 |
| MV Bygg AS | Construction | 2007 |
| Mvoa Holding AS | | 2025 |
| MVP 1 AS | | 2017 |
| MVP 2 AS | | 2017 |
| MVP 3 AS | | 2017 |
| MVV202S1 AS | Real estate | 2019 |
| MVV202S5 AS | Real estate | 2019 |
| MVV202S6 AS | Real estate | 2019 |
| MVV202S7 AS | Real estate | 2019 |
| MW Invest AS | Real estate | 2022 |
| My Coffee AS | Wholesale & retail | 2020 |
| My Knitting Journal AS | Information & communication | 2022 |
| MY1OFNORWAY AS | Manufacturing | 2017 |
| Mycel AS | Education | 2023 |
| Myco Holding AS | | 2024 |
| Mydland Allsidig Service AS | Construction | 2023 |
| Mydland Holding AS | | 2005 |
| Myhre & Johnsen Advokatfirma Da | Professional & scientific | 2008 |
| Myhre Holding AS | Wholesale & retail | 2012 |
| Mykjåland Invest AS | | 2019 |
| Mykjåland Og Lindal Elektriske AS | Construction | 2008 |
| Mykos AS | Manufacturing | 2022 |
| Mylly Holding AS | | 2026 |
| Myrane Invest AS | Professional & scientific | 2018 |
| Myreneveien Holding AS | Real estate | 2015 |
| Mysa Eiendom AS | Real estate | 2026 |
| Mystes AS | Arts & recreation | 2023 |
| Myvision Consulting and Invest AS | | 2022 |
| Mål Tid AS | Hospitality | 2000 |
| Målekontoret I Agder | Other services | 1965 |