| Pumafitness AS | Arts & recreation | 2024 |
| Pure Food Norway AS | Wholesale & retail | 2014 |
| Quantera Group AS | Information & communication | 2025 |
| Quantoshi AS | Information & communication | 2011 |
| Queentoshi AS | | 2025 |
| R. Solberg Holding AS | Manufacturing | 2011 |
| R.B Transport AS | Transport & logistics | 2023 |
| Ra Renhold AS | Administrative & support | 1995 |
| Raabiten AS | Hospitality | 2018 |
| Raknem Helse AS | Health & social care | 2026 |
| Rallarkonsult AS | Professional & scientific | 2024 |
| Rambla Invest AS | | 2017 |
| Rasch Konsult AS | Information & communication | 2019 |
| Rask Utvikling AS | Wholesale & retail | 2014 |
| Raw Entreprenørservice AS | Real estate | 2025 |
| Rbo Engineering & Project Management AS | Professional & scientific | 2009 |
| Real Utvikling AS | Real estate | 2006 |
| Realisator AS | Real estate | 2013 |
| Reco Data AS | Information & communication | 2025 |
| Reco Eiendom AS | Real estate | 2022 |
| Reco Invest AS | Real estate | 2004 |
| Reese Holding AS | Financial services | 2005 |
| Refleksprofil AS | Wholesale & retail | 2006 |
| Reform Projects AS | Professional & scientific | 2019 |
| Rehab Invest Kompani AS | Wholesale & retail | 1989 |
| Rehan Group AS | Information & communication | 2025 |
| Rei 10 AS | Real estate | 2018 |
| Reidun AS | Wholesale & retail | 2016 |
| Reiknirit AS | | 2022 |
| Reinvesting AS | | 2020 |
| Relove Second Hand AS | Wholesale & retail | 2023 |
| Remaad AS | Professional & scientific | 2016 |
| Remrap Holding AS | | 2025 |
| Remtech Holding AS | Wholesale & retail | 2005 |
| Remtech Nordic AS | Wholesale & retail | 2007 |
| Ren-Vakt Holding AS | Real estate | 2004 |
| Rent Fokus AS | Administrative & support | 2025 |
| Restaurantdeals AS | Professional & scientific | 2025 |
| Result & Management AS | Real estate | 2000 |
| Ret 1 AS | Real estate | 1993 |
| Retail Management AS | Wholesale & retail | 1992 |
| Retinue AS | Information & communication | 2023 |
| Rett Trafikkskole AS | Education | 2019 |
| Retyre AS | Professional & scientific | 2015 |
| Revolin AS | Construction | 2016 |
| Ridabu Eiendom AS | Real estate | 2017 |
| Rim Holding AS | Professional & scientific | 2020 |
| Rina Management AS | Administrative & support | 1990 |
| Ringvoll Eiendom AS | Real estate | 2022 |
| Ristiinná AS | Manufacturing | 2025 |
| Risøe AS | Real estate | 1988 |
| Rittal AS | Wholesale & retail | 1985 |
| Rivelsrud Venture Capital AS | Professional & scientific | 2000 |
| Robert Jansson Holding AS | | 2023 |
| Robert Johansen Eiendom AS | Real estate | 2012 |
| Robotech AS | Wholesale & retail | 1987 |
| Rodi Invest AS | Financial services | 2005 |
| Rodtwitt Invest AS | | 2025 |
| Rolf Skonnord AS | Wholesale & retail | 1966 |
| Rolf Tveter Consulting AS | | 2022 |
| Rosenlund Barnehage SA | Education | 1990 |
| Rosju AS | | 2022 |
| Rototech AS | Professional & scientific | 2024 |
| Royal Bil AS | Wholesale & retail | 2025 |
| Royal Spice AS | Hospitality | 2025 |
| RS Bilsalg AS | Wholesale & retail | 2011 |
| Rune Romsdal AS | Construction | 2019 |
| Rutheim AS | Real estate | 1982 |
| Ryga Invest AS | | 2005 |
| Rådgivning Og Regnskap AS | Professional & scientific | 2011 |
| Rådhussvingen 7 AS | Real estate | 2000 |
| Røise Transport AS | Transport & logistics | 1998 |
| S a P Holding AS | | 2025 |
| S8R Butikksystemer AS | Wholesale & retail | 2018 |
| Sabrura Ski AS | Hospitality | 2022 |
| Safari Aram Holding AS | | 2025 |
| Safari Arman Holding AS | | 2025 |
| Safari Media AS | Information & communication | 2024 |
| Saigon Kaffe AS | Hospitality | 2025 |
| Saliem AS | Real estate | 2020 |
| Salong Chic AS | Other services | 2013 |
| Saltverket AS | Financial services | 2007 |
| Sandergo Invest AS | Financial services | 2005 |
| Sandra Gerecke AS | Professional & scientific | 2022 |
| Sapori E Sogni AS | Hospitality | 2026 |
| Saragon AS | | 2006 |
| Saturnv AS | | 2018 |
| Savalta AS | Professional & scientific | 2026 |
| SBG Invest AS | Construction | 1919 |
| Scala Rekruttering & Bemanning AS | Administrative & support | 2013 |
| Scandi Dreams AS | Hospitality | 2026 |
| Scandi Host AS | Hospitality | 2025 |
| Scandia Food AS | Manufacturing | 2003 |
| Scanmine AS | Information & communication | 2003 |
| Schippert Consulting AS | Professional & scientific | 2022 |
| Scholar AS | Information & communication | 2026 |
| Schwifty Holdings AS | | 2026 |
| SD Daniel Holding AS | | 2024 |
| Se-Bra Huset AS | Real estate | 2005 |
| Sea Marin AS | Professional & scientific | 1980 |