| Nurse Finder OY | Kausala | 2020 |
| NW Aviation Oy | Nummela | 2023 |
| Naaralainen Oy | Turku | 2022 |
| Nada Hämeenlinna Oy | Hämeenlinna | 2025 |
| Naikou Oy | Kyröskoski | 2025 |
| Naiset osingoilla Oy | Julkujärvi | 2023 |
| Nalle Musiikkikoulu ky | Espoo | 2002 |
| Namnam-Tuotanto Oy | Helsinki | 1990 |
| Namo Media Oy | Helsinki | 2025 |
| Nanotori Oy | Espoo | 2019 |
| Nansport Oy | Espoo | 2018 |
| Napra Education Oy | Kyrö | 2019 |
| Narwhal Ab | Vaasa | 2021 |
| Narwian Oy | Vesilahti | 2017 |
| Nasta-Valmennus Oy | Tampere | 2013 |
| Natural Dao Finland Health and Healing Center Oy | Espoo | 2025 |
| Natural Emotions Oy | Turku | 2022 |
| Natural well Oy | Jyväskylä | 2020 |
| Nature Education Oy | Helsinki | 2025 |
| Nature Solutions Oy | Ihamaniemi | 2017 |
| Naturest Oy | Mankila | 2020 |
| Naturested Oy | Kyröskoski | 2021 |
| Natureum Solutions Oy | Yrityslokero | 2026 |
| Naumasket Oy | Paltamo | 2023 |
| Navicenter Oy | Helsinki | 2023 |
| Navigen Oy | Savonlinna | 1999 |
| Navirec Oy | Helsinki | 2008 |
| NeRo Yhtiöt Oy | Tampere | 2018 |
| Nedu Group Oy | Tampere | 2013 |
| Neebla osk. | Turku | 2016 |
| Nelavi Oy | Porvoo | 2025 |
| Nelli Kraufvelin Wellness Oy | Turku | 2024 |
| Nelp Oy | Helsinki | 2016 |
| Nepsedu Oy | Vantaa | 2025 |
| Nepsy-Osaaja Oy | Jyväskylä | 2023 |
| Nervous system solutions Oy | Jyväskylä | 2024 |
| NetMove Oy | Joensuu | 2017 |
| NettiRatti Oy | Rovaniemi | 2023 |
| Nettitehostin oy | Turku | 2013 |
| NeurOpas Oy | Joensuu | 2023 |
| Neuro Latino Oy | Järvenpää | 2017 |
| Neuro Opisto Oy | Espoo | 2025 |
| Neuropolku Oy | Salo | 2022 |
| Neuvotteluakatemia Oy | Oulu | 2018 |
| New Generation Kids Osk | Helsinki | 2013 |
| New Nordic School Oy | Espoo | 2018 |
| New Nordic School Suomi Oy | Helsinki | 2018 |
| NewPsy Institute & Society Oy | Helsinki | 2020 |
| NexFit Oy | Tampere | 2024 |
| Nexora Edge Oy | Helsinki | 2026 |
| Next Generation Physique Oy | Säkylä | 2020 |
| Next Level Goaltending avoin yhtiö | Espoo | 2017 |
| Next Step Sports Oy | Helsinki | 2025 |
| NextGen Explorers Academy Oy | Tampere | 2024 |
| Nexus Angle Oy | Espoo | 2024 |
| Nice Group Consulting Oy | Rovaniemi | 2022 |
| Niemen Pallo OY | Masala | 2025 |
| Niemi ja tytöt Ky | Launonen | 2012 |
| Niihama Riding Oy | Tampere | 2015 |
| Niinaelliina Oy | Söderkulla | 2025 |
| Niinaopena Oy | Lahela | 2023 |
| Niiwester Oy | Espoo | 2003 |
| Nilsiän Autokoulu Ky | Siilinjärvi | 2012 |
| Nimmmik Oy | Halli | 2025 |
| Nina Väistö Oy | Hämeenlinna | 2022 |
| Niore Oy | Kuopio | 2026 |
| Niskalenkki Oy | Paimio | 2024 |
| Nitor Delta Oy | Helsinki | 2007 |
| No Fear Yes Love Oy | Helsinki | 2021 |
| No-Hei Oy | Akaa | 2024 |
| No-jaa Oy | Helsinki | 2024 |
| NoMind Oy | Helsinki | 2023 |
| NoVoi Oy | Kangasala | 2023 |
| Noeme Nordic Oy | Tampere | 2025 |
| Nogravity Oy | Lappeenranta | 2025 |
| Nokian Autokoulu I Drive Oy | Nokia | 2011 |
| Nokian Autokoulu-Center Oy | Osoite Tuntematon | 1996 |
| Nomichan Oy | Helsinki | 2012 |
| Nomme Oy | Tampere | 2009 |
| Nonstoppi Oy | Vesilahti | 2021 |
| Nookia Oy | Helsinki | 2011 |
| Norbu Oy | Vantaa | 2004 |
| NordOrigin Oy | Helsinki | 2026 |
| Nordatum Oy | Porvoo | 2018 |
| Nordcad Oy | Helsinki | 2020 |
| Nordic Agri Oy | Heikinkylä | 2004 |
| Nordic Competence Group Oy | Helsinki | 2009 |
| Nordic Crest Wisdom Oy | Helsinki | 2024 |
| Nordic Diversity Trainers Oy | Espoo | 2018 |
| Nordic Fire protection Avoin yhtiö | Turku | 2008 |
| Nordic Health Institute Oy Ltd | Turku | 2020 |
| Nordic Innovation Edu. Institute Oy | Vantaa | 2024 |
| Nordic Institute of Digital Innovations Ab | Vaasa | 2018 |
| Nordic Medicine and Wellness Oy | Orimattila | 2016 |
| Nordic Mystery Shopping Suomi Oy Ab | Mariehamn | 2017 |
| Nordic Pilot Institute Oy | Jyväskylä | 2025 |
| Nordic Sports Pro Oy | Vantaa | 2020 |
| Nordic Stamina Oy | Helsinki | 2021 |
| Nordic Studies Institute Oy | Oulu | 2023 |
| Nordic Vire Oy | Kuusankoski | 2025 |