| Ree Holding AS | Real estate | 2021 |
| Ree Utbyggingsselskap AS | Real estate | 2021 |
| Reebakken AS | Real estate | 2017 |
| Reebo AS | Real estate | 2025 |
| Reecon AS | Professional & scientific | 2012 |
| Reetro Holding AS | Real estate | 2008 |
| Reeveien 36 AS | Real estate | 2018 |
| Reeveien 5 AS | Real estate | 1995 |
| Reiestad Invest AS | | 2025 |
| Reime Aircondition Og Spa AS | Wholesale & retail | 2017 |
| Reime Eiendom AS | Real estate | 2018 |
| Reime Landteknikk AS | Wholesale & retail | 2015 |
| Reime Service Og Utleie AS | Manufacturing | 2021 |
| Reinhardt Oma Invest AS | | 2022 |
| Reintstilig AS | Construction | 2015 |
| Reloop AS | | 2017 |
| Rembrain AS | Information & communication | 2021 |
| Renommé Skilt Og Dekor AS | Professional & scientific | 2001 |
| Renovasjonsservice AS | Water & waste | 1980 |
| Renovasjonsservice Holding AS | Water & waste | 2021 |
| Reo AS | | 1978 |
| Res Fornybar Norge AS | Professional & scientific | 2011 |
| RH Automation Nuf | Manufacturing | 2010 |
| RH Utvikling AS | Real estate | 2025 |
| Rigs Holding AS | | 2020 |
| Ril Transport AS | Transport & logistics | 2024 |
| Riomar AS | Real estate | 2005 |
| Riskedal AS | Financial services | 2013 |
| Rita Holding AS | | 2026 |
| Rita Prosjekt Og Utvikling AS | Professional & scientific | 2025 |
| Rmst Holding AS | Construction | 2018 |
| RN - Holding AS | Mining & quarrying | 2020 |
| RN Utleie AS | Administrative & support | 2024 |
| Roald Amundsens Gate 113 AS | Real estate | 1938 |
| Robin Hood Bygg AS | Construction | 2024 |
| Robotic Innovation AS | Information & communication | 2017 |
| Robotic Innovation International AS | Wholesale & retail | 2024 |
| Robotvegen 32 S10 AS | Real estate | 2025 |
| Robotvegen 32 S11 AS | Real estate | 2025 |
| Robotvegen 32 S5+S13 AS | Real estate | 2025 |
| Robotvegen 32 S6 AS | Real estate | 2025 |
| Robotvegen 32 S8 AS | Real estate | 2025 |
| Robotvegen 34 S1 AS | Real estate | 2025 |
| Robotvegen 34 S12 AS | Real estate | 2025 |
| Robotvegen 34 S13 AS | Real estate | 2025 |
| Robotvegen 34 S15 AS | Real estate | 2025 |
| Robotvegen 34 S16 AS | Real estate | 2025 |
| Robotvegen 34 S17 AS | Real estate | 2025 |
| Robotvegen 34 S18 AS | Real estate | 2025 |
| Robotvegen 34 S3 AS | Real estate | 2025 |
| Robotvegen 34 S4 AS | Real estate | 2025 |
| Robotvegen 34 S8 AS | Real estate | 2025 |
| Robotvegen 34 S9 AS | Real estate | 2025 |
| Robotvegen 8 AS | Real estate | 2019 |
| Robust Holdings AS | Health & social care | 2021 |
| Robust Trening Og Fysioterapi AS | Health & social care | 2019 |
| Rogaland Bolig AS | Construction | 2012 |
| Rogaland Import Service AS | Wholesale & retail | 2013 |
| Rogaland Maskinservice AS | Manufacturing | 1998 |
| Rogaland Rør Og Sveis AS | Construction | 2025 |
| Rogaland Sikkerhet AS | Construction | 2013 |
| Rogaland Trading AS | Wholesale & retail | 2018 |
| Rogalandshus Bygg AS | Construction | 2009 |
| Rogalandshus Drift AS | Professional & scientific | 2021 |
| Rogalandshus Gruppen AS | Real estate | 2013 |
| Roger Pearson Interiør AS | Manufacturing | 1983 |
| Rogmas AS | Manufacturing | 2011 |
| Rokia AS | Real estate | 2026 |
| Rosland AS | Real estate | 2010 |
| Rosland Kapital AS | | 2026 |
| Rosseland Invest AS | | 2014 |
| Rsafe AS | Construction | 2022 |
| Rsar Holding AS | Financial services | 2016 |
| Rumag Eiendom AS | Real estate | 1980 |
| RWB Trading AS | Wholesale & retail | 2020 |
| Ryggraden AS | Health & social care | 2009 |
| Råbygg & Montasje AS | Wholesale & retail | 2017 |
| Røken Harvest AS | Financial services | 2017 |
| Rør-Varme AS | Construction | 2010 |
| S&A Invest AS | Real estate | 2024 |
| S&T Holding AS | Wholesale & retail | 2009 |
| S. Omland Invest AS | | 2022 |
| Saer AS | Construction | 2007 |
| Safe Lager AS | Real estate | 2020 |
| Sakte Fart AS | Real estate | 2019 |
| Salte Kapital AS | | 2019 |
| Saltogalten AS | | 2024 |
| Sandcatch Solutions AS | Professional & scientific | 2020 |
| Sandmyr AS | Wholesale & retail | 2020 |
| Sandmyrveien Invest AS | Real estate | 2014 |
| Sandtangen 2 AS | Real estate | 2012 |
| Sandtangen Legesenter Da | Health & social care | 2005 |
| Sapiens AS | Administrative & support | 2017 |
| Sapiens Eiendom AS | Real estate | 2002 |
| Save Capital AS | Financial services | 2022 |
| SB Group AS | Financial services | 2011 |
| Scanrock Da | Transport & logistics | 2017 |
| Schiek-Europa Da | Wholesale & retail | 2004 |
| Seahill AS | | 2022 |
| Secant AS | Professional & scientific | 1988 |