| Finarion Holding Oy | Espoo | 2020 |
| Finasse Oy | Helsinki | 2023 |
| Finatte Oy | Riihimäki | 2013 |
| Finatum Oy | Metsäkorpi | 2021 |
| Finbulous Oy | Jyväskylä | 2019 |
| Fincasa Oy | Rauma | 1994 |
| Fincost Oy | Helsinki | 1990 |
| Finda SPV Oy | Helsinki | 2020 |
| Findea Capital Oy | Kokkola | 2021 |
| Findea Rahastot Oy | Kokkola | 2022 |
| Finden Oy | Loimaa | 2026 |
| Findur HT Holding Oy | Pirkkala | 2017 |
| Fine-Tuning Group Oy | Helsinki | 2025 |
| Fineles Oy | Helsinki | 2020 |
| Finells Holding Ab | Ähtävä | 2020 |
| Finesco Kasvurahasto Ky | Hyvinkää | 2015 |
| Finest Bay Area Investment Management Oy | Helsinki | 2020 |
| Finestia-Sijoitus Oy | Salo | 1989 |
| Finetana Capital Oy | Sarvvik | 2024 |
| Finha Capital Oy | Akaa | 1967 |
| Finhodl Oy | Lahti | 2019 |
| Finiaali Oy | Helsinki | 2023 |
| Finib Oy | Espoo | 2005 |
| Finlandia AIF - Industrial & Commercial Real Estate Fund I Ky | Helsinki | 2025 |
| Finlandia Finance Oy | Helsinki | 2012 |
| Finlandia GP Oy | Helsinki | 2024 |
| Finlandia Group Oyj | Helsinki | 2000 |
| Finlandia Kiinteistö GP Oy | Helsinki | 2025 |
| Finlandia Kiinteistösijoitus II Oy | Helsinki | 2016 |
| Finlandia Life Oy | Helsinki | 2020 |
| Finlandia Pääomarahastot II Oy | Helsinki | 2016 |
| Finlandia Pääomarahastot Oy | Helsinki | 2017 |
| Finlandia Rahastoyhtiö Oy | Helsinki | 2010 |
| Finlandia Real De La Quinta SPV I Oy | Tampere | 2025 |
| Finlandia Real De La Quinta SPV II Oy | Tampere | 2025 |
| Finlandsfastigheter Holding Oy | Helsinki | 2013 |
| Finluotto Oy | Nurmes | 1987 |
| Finmar Oy | Ylistaro As | 2019 |
| Finmatic OÜ sivuliike Suomessa | Heinola | 2009 |
| Finmedia Holdings Oy | Helsinki | 2026 |
| Finn - Mica Invest Oy | Kotka | 2020 |
| Finn Pinoy Services Oy | Parainen | 2018 |
| Finn-Atec Oy | Järvenpää | 1990 |
| Finn-Pentagon Holding Ab | Mariehamn | 2022 |
| Finn-Sijoitus Oy | Sarvvik | 2010 |
| Finn-Stroi Oy | Helsinki | 1987 |
| Finnboys Oy | Espoo | 1971 |
| Finncapital Oy | Helsinki | 1990 |
| Finnfund DAIF SPV 1 Oy | Helsinki | 2026 |
| Finnfund DAIF SPV 2 Oy | Helsinki | 2026 |
| Finnfund Digital Access Impact Fund I Ky | Helsinki | 2025 |
| Finnfund GP Oy | Helsinki | 2025 |
| Finnfund SPV GP Oy | Helsinki | 2025 |
| Finnfund SPV Ky | Helsinki | 2025 |
| Finnholdings Oy | Espoo | 1987 |
| Finninkari Ky | Ii | 2004 |
| Finnish Defence House SPV 1 Oy | Espoo | 2025 |
| Finnish Groceries Holding I Oy | Helsinki | 2019 |
| Finnish Groceries Holding II Oy | Helsinki | 2019 |
| Finnish Groceries Holding III Oy | Helsinki | 2019 |
| Finnish Groceries I GP Oy | Helsinki | 2017 |
| Finnish Groceries I Ky | Helsinki | 2018 |
| Finnish Impact Film Fund Feeder Ky | Helsinki | 2021 |
| Finnish Impact Film Fund Ky | Helsinki | 2021 |
| Finnish Liner Agencies FLA Oy Ab | Helsinki | 1991 |
| Finnish Marine Average Service Ab | Helsinki | 2020 |
| Finnish Minerals Group Oy | Helsinki | 2015 |
| Finnish Renewables Kenkäkangas Oy | Helsinki | 2022 |
| Finnish Renewables Malakakangas Oy | Helsinki | 2022 |
| Finnish Renewables Oy | Helsinki | 2021 |
| Finnish Renewables Vasama 1 Oy | Helsinki | 2022 |
| Finnova Holding Oy | Kerkkoo | 2008 |
| Finnox Oy | Kantvik | 2011 |
| Finnrisk Oy | Helsinki | 2017 |
| Finntakuu Oy | Ylöjärvi | 2004 |
| Finnvera Oyj | Helsinki | 1998 |
| Finop Oy | Tampere | 1993 |
| Finora Sijoitus Oy | Helsinki | 2015 |
| Finreim Oy | Helsinki | 2019 |
| Finrema Oy | Espoo | 1988 |
| Finsilva Oyj | Tampere | 2005 |
| Finsto Oy | Jyväskylä | 2012 |
| Fintaz Oy | Tampere | 2004 |
| Finto Oy | Turku | 2008 |
| Fintoil Holding GP Oy | Helsinki | 2020 |
| Fintoil Holding Ky | Helsinki | 2020 |
| Fintor Oy | Helsinki | 2008 |
| Finvoicer Rahoitus Oy | Turku | 2016 |
| Finzo OÜ, Suomen sivuliike | | 2016 |
| FioFri Partners Oy | Kuopio | 2024 |
| Fiomi Oy | Tampere | 2024 |
| Fiona - Finance and Consulting Oy | Helsinki | 2025 |
| Fiona Treasury Management Oy | Osoite Tuntematon | 2022 |
| Fiorea Oy | Espoo | 1997 |
| Fioro Holding Oy | Espoo | 2014 |
| Fiote Oy | Salo | 2011 |
| Fiotop Oy | Pirkkala | 2011 |
| Fire Flower Capital Oy | Espoo | 2021 |
| Fire Mane Invest Ab Oy | Helsinki | 2024 |
| FirehandFive Oy | Espoo | 2002 |