| Vaarninki Avoin yhtiö | Professional & scientific | 2012 |
| Vakuuttava myyntipalvelu Antti Kemppainen OY | Financial services | 2018 |
| Vakuutuspalvelu ARKI Oy | Financial services | 2007 |
| Valentin Consulting Oy | Other services | 2019 |
| Veljekset Nousiainen Oy | Construction | 1982 |
| Veljekset Ojasalo Oy | Construction | 1995 |
| Veljekset Pekkonen Kiinteistöt Oy | Real estate | 2020 |
| Veljekset Pekkonen Oy | Wholesale & retail | 2007 |
| Vento & Pernu työllisyys Oy | Professional & scientific | 2022 |
| Veolia Aquaflow Finland Oy | Manufacturing | 1988 |
| Vesirak Oy | Construction | 2010 |
| Veskari Oy | Hospitality | 2007 |
| Videko Oy | Real estate | 2017 |
| Vierasvenesatama H. Westerberg Ky | Transport & logistics | 1989 |
| Viiramikko Oy | Wholesale & retail | 1999 |
| Viiskulman Huolto Oy | Administrative & support | 1992 |
| Villen valo Oy | Construction | 2018 |
| Vinkku21 Holding Oy | Other services | 2020 |
| Viremon Grilli Ky | Hospitality | 1977 |
| Virtual V21 Oy | Information & communication | 2020 |
| VisioTaito Oy | Professional & scientific | 2017 |
| Vision Saimaa Ky | Professional & scientific | 2022 |
| Vitamira Oy | Wholesale & retail | 2017 |
| Vivus Solution Oy | Hospitality | 2025 |
| Vodavest Oy | Professional & scientific | 1995 |
| Vuohimäen Ratsastuskoulu Pertti Rautiainen Oy | Arts & recreation | 1996 |
| Vuohimäki Camping Ravintolat Oy | Hospitality | 2023 |
| Vuorisuites Oy | Hospitality | 2021 |
| Väisänen Services Oy | Construction | 2024 |
| Värilinja Oy | Wholesale & retail | 1981 |
| W Investment Oy | Financial services | 2007 |
| Waahto Brewhouse Oy | Hospitality | 2020 |
| Waahto Holding Oy | Other services | 2020 |
| Waahto Sport Oy | Arts & recreation | 2022 |
| Wang Fu Avoin yhtiö | Hospitality | 2008 |
| Welfare Oy | Wholesale & retail | 1993 |
| WellBeing Center Oy | Arts & recreation | 2024 |
| Wetend Technologies Oy | Manufacturing | 2001 |
| Willman Invest Oy | Professional & scientific | 2011 |
| Willman holding Oy | Financial services | 2019 |
| Wivilla Oy | Hospitality | 2018 |
| WooD Trans Crew Oy | Transport & logistics | 2026 |
| Xyclic Oy | Manufacturing | 2017 |
| Yksilötalot Oy | Professional & scientific | 2004 |
| Yleismainos Laurikainen Ky | Professional & scientific | 1977 |
| Yritysterapia Oy | Professional & scientific | 1989 |
| Yun Xuan oy | Hospitality | 2021 |
| eLive Ecosystem Oy | Professional & scientific | 2016 |
| oy yXOn ab | Construction | 2015 |
| Älysi Oy | Professional & scientific | 2023 |