| Part Visuals AS | Arts & recreation | 2018 |
| Parterapi Og Psykologi AS | Health & social care | 2023 |
| Partners Group Swan Holding Investment AS | Financial services | 2019 |
| Partners Group Swan Transportation AS | Transport & logistics | 2020 |
| Partnor AS | | 2024 |
| Pasadena Da | Professional & scientific | 2004 |
| Pasali Matgleder AS | Hospitality | 2004 |
| Patel Capital AS | | 2021 |
| Patentes Talgo S.L.U. | Manufacturing | 2015 |
| Pathways Holding AS | Professional & scientific | 2024 |
| Patisseriet AS | Manufacturing | 2013 |
| Patron AS | | 2020 |
| Paulina Molina Olive Oils AS | Wholesale & retail | 2016 |
| Paulsen Akupunktur AS | Health & social care | 2014 |
| Pause AS | Wholesale & retail | 2018 |
| PAUSE1 AS | Health & social care | 2019 |
| Pava Bygg AS | Real estate | 2016 |
| Pavelsvei Boliglag AS | Households | 1947 |
| Pax AS | Real estate | 2005 |
| Pbe Holding AS | Real estate | 2007 |
| Pbe Property AS | Real estate | 2017 |
| Pbe Property Holding AS | Real estate | 2023 |
| PC Holding AS | Professional & scientific | 2021 |
| Pe Eiendomsinvest AS | Real estate | 2017 |
| Peachy Skin & Cosmetics AS | Other services | 2023 |
| Peak Financial Services AS | Professional & scientific | 2019 |
| Peak Point AS | Education | 2024 |
| Pedagogisk Vikarsentral AS | Administrative & support | 2004 |
| Pedal Holding AS | | 2016 |
| Pegas AS | Real estate | 1987 |
| Pegasos Forsikring AS | Professional & scientific | 1998 |
| Pegg AS | Administrative & support | 2021 |
| Peka Kapital AS | Information & communication | 2024 |
| Peka Software AS | Information & communication | 2023 |
| Pelagia AS | Manufacturing | 2005 |
| Pelagia Holding AS | Manufacturing | 2013 |
| Pelagia Innovation AS | Professional & scientific | 2017 |
| Pelagia Sjø AS | Transport & logistics | 2021 |
| Pelagia Technologies AS | Professional & scientific | 2017 |
| Pelagisk Servicekontor AS | Other services | 2011 |
| Pelly Workwear Bergen AS | Wholesale & retail | 2015 |
| Pemasol Bergen AS | Construction | 2025 |
| Pen Underwriting Europe AS | Financial services | 2005 |
| Pendragon AS | Real estate | 2014 |
| Pentamid Strandgaten AS | Real estate | 1999 |
| Peo Consult AS | | 2022 |
| Pep AS | Professional & scientific | 2019 |
| Pepperkakebyen AS | Arts & recreation | 2024 |
| Per Hovden Lynghaug Murmester & Entreprenør AS | Construction | 1997 |
| Per L. Eide AS | Professional & scientific | 1981 |
| Per Müller Holding AS | Transport & logistics | 2005 |
| Per O Moe Maskinforretning AS | Wholesale & retail | 1974 |
| Per Rune Og Dag Haugen Frisør Da | Other services | 1998 |
| Peraco Holding AS | Financial services | 2010 |
| Perecon AS | Professional & scientific | 2008 |
| Perfect Sounds Forever Da | Arts & recreation | 2010 |
| Perfekt Eiendom AS | Real estate | 2006 |
| Pergola Mat & Vinbar AS | Hospitality | 2006 |
| Periquita AS | Financial services | 1995 |
| Perspektivapp AS | Information & communication | 2017 |
| Persson Eiendomselskap AS | Real estate | 2026 |
| Peter Invest Holding AS | | 2022 |
| Peter M. Kolderup AS | Professional & scientific | 1981 |
| Peter M. Kolderup Invest AS | Real estate | 2000 |
| Peter Mcleod AS | Professional & scientific | 2020 |
| Peter Nygård Holding AS | | 2021 |
| Peter Rolfsen Holding AS | | 2026 |
| Peter Skagen Invest AS | Professional & scientific | 2005 |
| Petimeter Typo AS | Professional & scientific | 2017 |
| Petro Invest AS | Financial services | 2018 |
| Petroleum Invest AS | Real estate | 2003 |
| Petros Invest AS | Financial services | 2005 |
| Petsand AS | | 2019 |
| Petter Dahl AS | Transport & logistics | 1997 |
| Petter Dahl Eiendom AS | Real estate | 2018 |
| Petter Knudsen Design AS | Professional & scientific | 2009 |
| Petter Tellefsen AS | Wholesale & retail | 1967 |
| PFC Elektro AS | Construction | 2018 |
| PGW Holding AS | Financial services | 2010 |
| PH Consultance AS | Professional & scientific | 2014 |
| Pham Cong Holding Ans | | 1998 |
| Phantom Holding AS | | 2026 |
| Pharmacy Store AS | Wholesale & retail | 2017 |
| Pharmaq Analytiq AS | Professional & scientific | 2000 |
| PHH Capital AS | Financial services | 2017 |
| Phoenix Baloo Capital AS | | 2025 |
| Phoenix Consult & Invest Ltd Nuf | | 2024 |
| Phoenix Investments AS | Professional & scientific | 2010 |
| Phoniq AS | Information & communication | 2026 |
| Phottel Invest AS | Health & social care | 2023 |
| Phyma Holdings AS | | 2024 |
| Piam AS | Hospitality | 2017 |
| Piano Holding AS | Wholesale & retail | 2005 |
| Pianohuset AS | Other services | 2021 |
| Pianoskole.No AS | Education | 2018 |
| Piatto Invest AS | Hospitality | 2017 |
| Picasso Salong AS | Other services | 1996 |
| Pik Investor AS | Real estate | 2008 |
| Piksel Produksjoner Ltd Nuf | Arts & recreation | 2008 |
| Pilestredet 12 AS | Real estate | 2019 |