| Psykologspesialist Jonas Sharma-Bakkevig AS | Oslo | 2016 |
| Psykologspesialist Kristin Høstmark AS | Asker | 2020 |
| Psykologspesialist Lisa Kristin Nielsen AS | Harstad | 2026 |
| Psykologspesialist Live Almås-Norum AS | Bodø | 2021 |
| Psykologspesialist Ludmila Amundsen AS | Tromsø | 2022 |
| Psykologspesialist Malin Fors AS | Hammerfest | 2021 |
| Psykologspesialist Marianne H. Dahl AS | Bodø | 2022 |
| Psykologspesialist Marianne Vatne AS | Oslo | 2025 |
| Psykologspesialist Marita Barsten AS | Molde | 2025 |
| Psykologspesialist Monica Flock AS | Lillestrøm | 2013 |
| Psykologspesialist Nina Haga AS | Sandnes | 2023 |
| Psykologspesialist Ranie Torsfred AS | Harstad | 2018 |
| Psykologspesialist Richard Hamström Nuf | Grålum | 2023 |
| Psykologspesialist Silje Vagli Østbye AS | Oslo | 2025 |
| Psykologspesialist Silje Vignes Andersen AS | Stavanger | 2022 |
| Psykologspesialist SSB AS | Skien | 2023 |
| Psykologspesialist Tollan AS | Lillehammer | 2010 |
| Psykologspesialist Tomas Rømcke AS | Stavanger | 2013 |
| Psykologspesialist Toril Sollihagen AS | Oslo | 2021 |
| Psykologspesialist Trude Stokkan AS | Trondheim | 2017 |
| Psykologspesialist Vibeke Mathisen AS | Alta | 2016 |
| Psykologspesialistene AS | Florvåg | 2024 |
| Psykologsupport Nuf | Sandnes | 2009 |
| Psykologterapi AS | Oslo | 2023 |
| Psykologtjenesten Da | Grimstad | 2022 |
| Psykologtjenesten Oslo AS | Oslo | 2014 |
| Psykologtjenester AS | Skedsmokorset | 2023 |
| Psykologvirke AS | Oslo | 2016 |
| Psykolyse AS | Oslo | 2022 |
| Psykom Psykologisk Kompetanse Ans | Bodø | 2001 |
| Psykomatikk AS | Fredrikstad | 2021 |
| Psykomotorisk Fysioterapeut Hauge AS | Sogndal | 2021 |
| Psykomotorisk Fysioterapeut Jorunn Lien AS | Oslo | 2023 |
| Psykomotorisk Fysioterapi & Fysio-Pilates AS | Mathopen | 2020 |
| Psykomotorisk Fysioterapi Alta AS | Alta | 2021 |
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| Psykoservice AS | Ottestad | 2016 |
| Psyksenteret AS | Heimdal | 2026 |
| Psynergico AS | Trondheim | 2022 |
| Psypro AS | Oslo | 2022 |
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| Psytab AS | Levanger | 2015 |
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| PT Service AS | Stavanger | 2018 |
| Public Pride AS | Lier | 2016 |
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| Puls Fysio AS | Flisa | 2013 |
| Puls Samfunn AS | Langhus | 2011 |
| Pulsen AS | Tofte | 2012 |
| Pulsklinikken AS | Oslo | 2023 |
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| Punsvik Fysioterapi Og Trening AS | Ålesund | 2025 |
| Puravida Holding AS | Stavanger | 2021 |
| Pure Health AS | Kristiansand S | 2025 |
| Pure Joy AS | Borgenhaugen | 2012 |
| Pure Skin Medical AS | Røyse | 2015 |
| Pust Og Stemme AS | Bø I Telemark | 2023 |
| Pynten 19 AS | Arendal | 2014 |
| Pyramiden Legekontor AS | Larvik | 2000 |
| Pyramiden Tannlegekontor AS | Larvik | 2007 |
| Pytte Helse AS | Oslo | 2022 |
| Pytte Holding AS | Oslo | 2022 |
| På Tå AS | Sømna | 2025 |
| Påekte AS | Helgeroa | 2023 |
| Pål Andresen AS | Søgne | 2013 |
| Pål Arne Jensen Fysioterapi AS | Gjøvik | 2014 |
| Pål Bjerga Øyelege AS | Stavanger | 2014 |
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| Påsan AS | Porsgrunn | 2013 |
| Q 4 3 - Q Fire Tre AS | Lyngdal | 1990 |
| Q Sundhed Aps Nuf | Narvik | 2024 |
| Qanomray AS | Oslo | 2023 |
| Qest Invest AS | Grimstad | 2005 |
| Qiao Chen Myrvoll AS | Tromsø | 2021 |
| Qocept Ltd | Greater London Wc2H 9Jq England | 2021 |
| Quality Lab AS | Stavanger | 2006 |
| Quality Nursing Care AS | Stokmarknes | 2025 |
| Quality Solution AS | Haugesund | 2020 |
| Quantum Clinic AS | Oslo | 2025 |
| Quantum Vitality Senter AS | Nesodden | 2023 |
| Quenzal AS | Holmestrand | 2015 |
| Qumea | Arendal | 2020 |
| QV Invest AS | Asker | 2024 |
| Qvale Holding AS | Stavanger | 2023 |
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| R&S Premolar AS | Bergen | 2021 |
| R. Mansilla-Tinoco AS | Skjetten | 2005 |
| R. Marius Barstad AS | Snarøya | 2007 |
| R. Olsen AS | Alta | 2017 |
| R. Sarna AS | Oslo | 2020 |
| R.R Consult AS | Kvinesdal | 2011 |
| Rabbane Medical AS | Naustdal | 2013 |
| Rabo Fotterapi AS | Drammen | 2024 |
| Radem AS | Auli | 2020 |
| Radiolog AS | Oslo | 2021 |
| Radiologi AS | Oslo | 2011 |
| Radiusklinikken AS | Farsund | 2025 |
| Rae AS | Tananger | 2007 |
| Raeder AS | Bergen | 2014 |