| Rama-Invest AS | | 2022 |
| Ramesses Holding AS | Hospitality | 2021 |
| Ramex AS | Wholesale & retail | 1993 |
| Rammeboden AS | Manufacturing | 2022 |
| Rammehjørnet AS | Manufacturing | 2024 |
| Ramonor Solutions AS | Information & communication | 2026 |
| Ramos AS | Wholesale & retail | 2018 |
| Ramsland Holding AS | | 2022 |
| Rana Consult AS | Professional & scientific | 1997 |
| Rand Invest AS | | 2025 |
| Randabergveien 356 AS | Real estate | 2024 |
| Randåsen AS | Real estate | 2005 |
| Rask Vask AS | Administrative & support | 2022 |
| Raskpåfoten AS | Administrative & support | 2019 |
| Rasmussen Ur AS | Wholesale & retail | 2025 |
| Rat Holding AS | Real estate | 2021 |
| Raugstad Arkitektur AS | Professional & scientific | 2012 |
| Raugstad AS | Professional & scientific | 2007 |
| Raugstadgruppen AS | Real estate | 2023 |
| Raugstadgården AS | Real estate | 2018 |
| Rav Byggeservice AS | Construction | 2012 |
| Ravndal & Moore Projects AS | Professional & scientific | 2001 |
| Ravza AS | Transport & logistics | 2026 |
| Raw Colors Holding AS | | 2025 |
| Raxo AS | Professional & scientific | 2010 |
| RB Consulting AS | Professional & scientific | 2022 |
| RCC Petroplan Ltd | Administrative & support | 1998 |
| Re Invest AS | Real estate | 2005 |
| Re. Service AS | Other services | 2024 |
| Reaktorfilm AS | Information & communication | 2017 |
| Real Escape Game AS | Arts & recreation | 2015 |
| Real Food Norway AS | Hospitality | 2014 |
| Rebel Fitness Sandnes AS | Arts & recreation | 2025 |
| Rebelle AS | Health & social care | 2020 |
| Rebelle Residence AS | Real estate | 2024 |
| Rebil AS | Administrative & support | 2003 |
| Recon AS | Construction | 2019 |
| Red Spider Technology Ltd | Mining & quarrying | 2006 |
| Rede Eiendom AS | Real estate | 2004 |
| Refino AS | Administrative & support | 2025 |
| Reflections AS | Other services | 2017 |
| Refsnes Systemutvikling AS | | 2025 |
| Reggn AS | Wholesale & retail | 2026 |
| Region Media AS | Financial services | 2007 |
| Regnskap Og Kontor Tjenester AS | Professional & scientific | 2024 |
| Regnskapsbyrået Sandnes AS | Professional & scientific | 1998 |
| Regnskapsgruppen AS | Professional & scientific | 2005 |
| Reiestadmarka Utvikling AS | Real estate | 2014 |
| Reigstad AS | Real estate | 2004 |
| Reimers Aero AS | Professional & scientific | 2018 |
| Rein Invest AS | Real estate | 2005 |
| Reinsdyr Holding AS | Professional & scientific | 2023 |
| Reiseliv Sørvest SA | Professional & scientific | 2018 |
| Reitan Tveteraas AS | Real estate | 2000 |
| Relyon Simulation AS | Professional & scientific | 2008 |
| Remedy AS | | 2007 |
| Remigijus Bygg AS | Construction | 2013 |
| Remoquin Holding AS | | 2026 |
| Remotion AS | Mining & quarrying | 2015 |
| Ren Energi Ramsland AS | Energy | 2015 |
| Ren Vask AS | Other services | 2007 |
| Renova Group AS | Construction | 2025 |
| Renseriet Norge AS | | 2025 |
| Renseriet Sør-Vest AS | Other services | 1999 |
| Renseriet Vest AS | Other services | 2025 |
| Rent Bolig AS | Real estate | 2023 |
| Rent-Medico AS | Real estate | 1991 |
| Rescandi Norge AS | Water & waste | 2019 |
| Reservoir Seismic Technology | Administrative & support | 2013 |
| Resmo AS | Professional & scientific | 2016 |
| Respirare Accounting Stavanger AS | Professional & scientific | 2022 |
| Respond Profilering & Firmagaver AS | Wholesale & retail | 1989 |
| RESULTAT24 AS | Professional & scientific | 1999 |
| Retal AS | Hospitality | 2023 |
| Retol Eiendom 1 AS | Real estate | 2016 |
| Retol Invest AS | Real estate | 2008 |
| Rett Holding AS | Manufacturing | 2017 |
| Rettedal Bilkontroll AS | Wholesale & retail | 2000 |
| Rettedal Gruppen AS | Administrative & support | 2024 |
| Rettighetskompasset AS | Other services | 2026 |
| Rettore AS | Information & communication | 1999 |
| Rettore Invest AS | Information & communication | 2005 |
| Reunited Holding AS | | 2026 |
| Revwell AS | Professional & scientific | 2020 |
| Rewired Invent AS | Information & communication | 2021 |
| Reyrr AS | Construction | 2020 |
| Reza Dent AS | Health & social care | 2022 |
| Rfo Eiendom AS | Real estate | 2025 |
| Rga Norway AS | Arts & recreation | 2014 |
| RGB Holding AS | Wholesale & retail | 2017 |
| RGD Operations AS | Professional & scientific | 2004 |
| RH Holding AS | Real estate | 2018 |
| RH Holding I AS | Real estate | 2018 |
| RH Inv. AS | Construction | 2012 |
| Ribcrew AS | Administrative & support | 2024 |
| Richert Bygg AS | Construction | 2023 |
| Ridehallen AS | Real estate | 1973 |
| Riform AS | Construction | 2015 |
| Rigedalen 37 AS | Real estate | 2006 |
| Rigmaas Holding AS | Real estate | 2016 |