| Noir Invest Oy | Turku | 2000 |
| Noita Group Oy | Kirkkonummi | 2018 |
| Noja Rahoitus Oy | Turku | 2014 |
| Nokare Oy | Lieksa | 1987 |
| Nokas ATM Finland Oy | Tampere | 2023 |
| Nokian Muotiliike Oy | Nokia | 1983 |
| Nokian Ässä Oy | Nokia | 2010 |
| Nokiparakki Oy | Jurva | 2019 |
| Nokipää Oy | Kuortane | 2011 |
| Nokkala Capital Management Oy | Turku | 2024 |
| Nokkala Invest Oy | Helsinki | 2024 |
| Nokko Invest Oy | Haarajoki | 2018 |
| Nokkonen Invest Oy | Kellokoski | 2022 |
| Nokratek Group Oy | Oulu | 2023 |
| Nollamies Oy | Espoo | 2025 |
| Nollapeli Oy | Turku | 2026 |
| Nollie Holdings Oy | Helsinki | 2022 |
| Nomad Invest Oy | Helsinki | 2018 |
| Nomad Trading Oy | Helsinki | 2024 |
| Nomakki Invest Oy | Oulu | 2001 |
| Nomel Oy | Valkeala | 2005 |
| Nominent Oy | Hyvinkää | 1994 |
| Nomuda Oy | Helsinki | 2023 |
| Nomura Financial Products Europe GmbH, Suomen sivuliike | Helsinki | 2018 |
| NonCap Oy | Kokkola | 2024 |
| Noname Investments Oy | Helsinki | 2023 |
| Nonvest Oy | Savonlinna | 2018 |
| Noogle Oy | Vantaa | 2020 |
| Noori Sales Oy | Espoo | 2026 |
| Noormarkun Metalli ky | Noormarkku | 1987 |
| Noponkiinteistöt Oy | Espoo | 2004 |
| Nopsamaksu Oy | Turku | 2022 |
| Nor-Maali Family Oy | Lahti | 2018 |
| NorArvo Oy | Röykkä | 2025 |
| Nora Sihvonen Oy | Turku | 2023 |
| Norbik Oy | Tuusula | 2007 |
| Nord Invest Oy | Napapiiri Rovaniemi | 2023 |
| Nord Sales Oy | Tampere | 2019 |
| Nord Trust Oy | Seinäjoki | 2025 |
| NordFi Oy | Turku | 2022 |
| NordHold Oy | Maula | 2025 |
| NordSkala Group Oy | Espoo | 2026 |
| NordWest Consulting Oy | Espoo | 2020 |
| Nordarenas Oy | Helsinki | 2018 |
| Nordavera Oy | Kajaani | 2026 |
| Nordberg Holding Oy | Kauniainen | 2026 |
| Nordbro Capital Oy | Helsinki | 2013 |
| Nordea Bank Abp | Nordea | 2017 |
| Nordea Funds Oy | Helsinki | 2002 |
| Nordea Henkivakuutus Suomi Oy | Helsinki | 1993 |
| Nordea Investment Management AB, Suomen sivuliike | Helsinki | 2005 |
| Nordea Kiinnitysluottopankki Oyj | Nordea | 2016 |
| Nordea Rahoitus Suomi Oy | Helsinki | 1959 |
| Nordea Vakuutus Suomi Oy | Helsinki | 2017 |
| Nordec Group Oy | Helsinki | 2022 |
| Nordentry Oy | Helsinki | 2006 |
| Nordfin Capital II Oy | Turku | 2019 |
| Nordfin Capital III Oy | Turku | 2018 |
| Nordfin Capital Oy | Turku | 2015 |
| Nordfinance Oy | Helsinki | 2018 |
| Nordframe Group Oy | Helsinki | 2026 |
| Nordhaven Holding Oy | Vantaa | 2024 |
| Nordhealth Oy | Helsinki | 2008 |
| Nordia Kasvu Ky | Helsinki | 2021 |
| Nordia Management Kasvu GP Oy | Helsinki | 2021 |
| Nordia Management Oy | Helsinki | 1991 |
| Nordia Management RE GP Oy | Helsinki | 2024 |
| Nordia Rahasto Oy | Helsinki | 1989 |
| Nordic Actuarial Solutions Oy | Savonlinna | 2025 |
| Nordic Angel Fund Ky | Pori | 2019 |
| Nordic Asset Alliance Oy | Kokkola | 2024 |
| Nordic Asset Management Oy | Tampere | 2023 |
| Nordic Bank Oy | Vantaa | 2020 |
| Nordic Bear Oy | Helsinki | 2025 |
| Nordic Broker NB Oy | Helsinki | 1991 |
| Nordic Bull Shareholdings Oy | Helsinki | 2024 |
| Nordic Capital Investment Advisory Oy | Helsinki | 2017 |
| Nordic Classic Films Oy | Helsinki | 2015 |
| Nordic Dairy Holding Oy | Helsinki | 2006 |
| Nordic Defence GP Oy | Vantaa | 2025 |
| Nordic Defence Oy | Vantaa | 2025 |
| Nordic Finance Business Partner AB, filial Finland | | 2019 |
| Nordic Financial Group Oy | Helsinki | 2024 |
| Nordic Food Feeder Oy | Helsinki | 2024 |
| Nordic Food Tech GP I Oy | Helsinki | 2019 |
| Nordic Foodtech GP II Oy | Helsinki | 2024 |
| Nordic Fortress Oy | Helsinki | 2024 |
| Nordic Game Fund Management Oy | Tampere | 2009 |
| Nordic Game Ventures First Fund Ky | Helsinki | 2022 |
| Nordic Golf Invest Oy | Espoo | 2014 |
| Nordic Group Holding Oy | Hyvinkää | 2008 |
| Nordic Growth I Ky | Helsinki | 2012 |
| Nordic Guarantee Försäkringsaktiebolag, Filial Finland | Vantaa | 2006 |
| Nordic Hardware FIN Holding Oy | Helsinki | 2007 |
| Nordic Impact Investing Oy | Helsinki | 2024 |
| Nordic Insurance Partners Oy | Helsinki | 2020 |
| Nordic Insurance Solutions Oy | Hamina | 2020 |
| Nordic Investment & Logistics OY | Vaasa | 2013 |
| Nordic Koivu Group Oy | Tohmajärvi | 2019 |
| Nordic Legal Group Ab | Turku | 2020 |