| Plankestredet AS | Real estate | 2008 |
| Plus-Skolen AS | Education | 2013 |
| Plus-Skolen Eiendom AS | Real estate | 2023 |
| PM Jacobsen AS | Real estate | 2012 |
| Polynt Composites Norway AS | Manufacturing | 2017 |
| Powermec AS | Wholesale & retail | 2009 |
| Preg Fredrikstad AS | Professional & scientific | 2022 |
| Profilvarer AS | Manufacturing | 2024 |
| Pronofa ASA | Professional & scientific | 2021 |
| Pronofa Blue Holding AS | Agriculture & fishing | 2022 |
| Pronofa Sales AS | Wholesale & retail | 2023 |
| Prosess Dialog AS | Hospitality | 2013 |
| Prosjekt Bryllup AS | Other services | 2022 |
| Prosjektlys AS | Wholesale & retail | 2020 |
| Psykolog Sunniva Jordheim AS | Health & social care | 2020 |
| Pur Blu Ice Company AS | Manufacturing | 2015 |
| Radix Invest AS | Construction | 2013 |
| Raga AS | Real estate | 2013 |
| Raj Elektro AS | Construction | 2020 |
| Ralto AS | Information & communication | 2026 |
| Ramo Invest & Eiendom AS | Real estate | 1990 |
| Rampestreker Holding AS | | 2014 |
| Rattus AS | Real estate | 2008 |
| Raven Labs AS | Information & communication | 2026 |
| Raylyx AS | Information & communication | 2026 |
| Rbbt Multiservice AS | Transport & logistics | 2024 |
| Refsahl Regnskapskontor AS | Professional & scientific | 2010 |
| Reiseakademiet AS | Administrative & support | 2019 |
| Rep Salg Import AS | Other services | 2017 |
| Restaurant Kong-Frederik AS | Hospitality | 2024 |
| Revisorteam Lundblad Da | Professional & scientific | 2007 |
| Revtangen Båt Og Bad SA | | 2026 |
| Richello Music AS | Arts & recreation | 2020 |
| Ringstadåsen Utvikling AS | Real estate | 2017 |
| Robin Eiendom AS | Real estate | 2014 |
| Rodgers Invest AS | Wholesale & retail | 2022 |
| Roppestad Holding AS | | 2025 |
| Rosenborgveien 4 AS | Administrative & support | 2024 |
| Rosenborgveien 6 AS | Real estate | 2010 |
| Rosenborgveien AS | Real estate | 2007 |
| Rosier AS | Wholesale & retail | 2018 |
| Royal Thai Take Away AS | Hospitality | 2012 |
| RS Andersen AS | Manufacturing | 2025 |
| Rse Entreprenør AS | Construction | 1998 |
| Rse Holding AS | Real estate | 2024 |
| Ruben Dahl Hansen AS | Financial services | 2005 |
| Ryantech AS | Transport & logistics | 2010 |
| Rådhustorget AS | Real estate | 2019 |
| Rødningen Eiendom AS | Real estate | 2024 |
| Rødningen Invest AS | Real estate | 2005 |
| Rømer Invest AS | | 2025 |
| Rørleggermester Sigurdur Hjartarson AS | Construction | 2007 |
| Rørleggermester Thomas Thorvaldsen AS | Construction | 2023 |
| S-H Eiendom AS | Real estate | 2024 |
| S-H Holding AS | Real estate | 2022 |
| S137 Ent AS | Construction | 2024 |
| S137 Holding AS | Financial services | 2024 |
| Saint-Réal Invest AS | | 2024 |
| Salamander Holding AS | Financial services | 2013 |
| Samat Nordic AB | Transport & logistics | 2005 |
| Samat Nordic AS | Transport & logistics | 1984 |
| Samspille AS | Professional & scientific | 2017 |
| Sand Casting AS | Information & communication | 2019 |
| Sandhaug Investment AS | Financial services | 2022 |
| Sandkassa Holding AS | Information & communication | 2022 |
| Saren Energy Bio-El AS | Energy | 2014 |
| Sarpsborgveien 107 AS | Real estate | 2008 |
| Scan Glass AS | Manufacturing | 2016 |
| Scandekk AS | Manufacturing | 2025 |
| Scimmia AS | Financial services | 2017 |
| Seksjon 9 AS | Real estate | 2019 |
| Service Og Samferdsel Opplæringskontor SA | Education | 2013 |
| Sgi Holding AS | Real estate | 2008 |
| Shakira Holding AS | Real estate | 2011 |
| Silhuett Eiendomsutvikling AS | Real estate | 2013 |
| Silvercoin Industries AS | Financial services | 2004 |
| Sinan Invest AS | Health & social care | 2019 |
| Sirkel Materialgjenvinning AS | Water & waste | 1991 |
| Sirnes Tekst&Foto AS | Arts & recreation | 2019 |
| Siving Bing AS | | 2025 |
| Six-Seven AS | Real estate | 2009 |
| SJV Eiendom AS | Real estate | 2022 |
| SJV Holding AS | | 2005 |
| Sjøbua AS | Real estate | 2025 |
| Skantrans AS | Transport & logistics | 2014 |
| Skaug Eiendom AS | Real estate | 2006 |
| Skif AS | Education | 2021 |
| Skjærhalden Park AS | Real estate | 2023 |
| Skjærhalden Senter AS | Real estate | 1995 |
| Skjærhalden Sjøbuer Servicebygget AS | Hospitality | 2012 |
| Skjølås Holding AS | Financial services | 2011 |
| Skofterud Transport Da | Transport & logistics | 2014 |
| Sky Fitness AS | Arts & recreation | 2013 |
| Sky Fitness Bergen AS | Arts & recreation | 2021 |
| Sky Fitness Eiendom AS | Real estate | 2018 |
| Smart Kaffe AS | Wholesale & retail | 2018 |
| Smartpanel AS | Manufacturing | 2018 |
| Smartsol AS | Wholesale & retail | 2023 |
| Smash Holding AS | | 2025 |
| SMI3D AS | Professional & scientific | 2026 |