| ATC Consulting OY | Wholesale & retail | 2009 |
| Ahti Music Oy | Arts & recreation | 2022 |
| Alanne & Halme Oy | Wholesale & retail | 2019 |
| Alappus Group Oy | Real estate | 2019 |
| Ani's Café Oy | Hospitality | 2019 |
| Bro Corporation OY | Professional & scientific | 2012 |
| Bear Rock Oy | Construction | 2018 |
| Bella et Henni Oy | Education | 2024 |
| Bluebry Oy | Information & communication | 2025 |
| Btor Oy | Information & communication | 2026 |
| Candy team Oy | Wholesale & retail | 2012 |
| Cardboard Capital Ab | Financial services | 2020 |
| Cheminent Oy | Professional & scientific | 2003 |
| Dasys Networks Oy | Wholesale & retail | 2005 |
| ERi Holding Oy | Financial services | 2026 |
| Flexo - Laiturit Oy | Construction | 2008 |
| Förgätmigej Oy | Health & social care | 2019 |
| Gliffa Oy | Professional & scientific | 2008 |
| Gnext Pro Oy | Water & waste | 2021 |
| H. Sauso Trading Oy | Wholesale & retail | 1996 |
| Hamari Holding Oy | Financial services | 2026 |
| Hamarin Lasituspalvelu Oy | Construction | 2013 |
| Hamarin konsultit Oy | Professional & scientific | 2022 |
| Hamarin telakka Lönnfors & Lönnfors avoin yhtiö | Manufacturing | 2014 |
| Hammaslääkäri Iiro Linko Oy | Health & social care | 2013 |
| Helsingin Hevosurheilukeskus Oy - Helsinki Equestrian Centre Ltd | Education | 2022 |
| Hokkiplast Oy | Manufacturing | 1956 |
| Högström Holdings Oy | Financial services | 2025 |
| Idea-Linna Oy | Professional & scientific | 1995 |
| Insinööritoimisto Mitec Oy | Construction | 2018 |
| J.T Laine OY | Construction | 2022 |
| Johanna Lampila Oy | Education | 2015 |
| KaRe Hair Oy | Wholesale & retail | 2020 |
| Kampelavalssi Oy | Professional & scientific | 2026 |
| Kanlot Oy | Construction | 2025 |
| Kiinteistötoimisto Sirkka Tiira Ky | Real estate | 1984 |
| KolmenTalot Oy | Construction | 2020 |
| Kotkan Hitsauspalvelu kommandiittiyhtiö | Manufacturing | 1978 |
| Kuljetus Soraääni Oy | Transport & logistics | 2019 |
| Kymen Autopesula Oy | Other services | 2011 |
| M&J Fixing Oy | Administrative & support | 2013 |
| MKKM Holding Oy | Real estate | 2013 |
| MONADIKOS Oy | Construction | 2004 |
| Matin Pesumesta Ky | Other services | 2015 |
| Mediapojat Oy | Information & communication | 2024 |
| Mimosa Group Oy | Professional & scientific | 2022 |
| Oy Baltic Instruments Ab | Manufacturing | 2010 |
| Oy Jelca-tec. Ab | Construction | 2006 |
| Oy Miki Invest Ab | Financial services | 2013 |
| Oy Varppi Ab | Hospitality | 1989 |
| Petite Holding Oy | Financial services | 2009 |
| Pine Company Oy | Real estate | 2017 |
| Porvoon Hamarinranta Oy | Hospitality | 2019 |
| Porvoon Musiikki Ky - Borgå Musik Kb Bengt Gustafsson | Wholesale & retail | 1988 |
| Porvoon Rakentajat Oy | Construction | 2020 |
| Porvoon savityö oy | Construction | 2026 |
| Risten Oy | Professional & scientific | 2024 |
| Sananhelinä Oy | Professional & scientific | 1994 |
| Sannäs Service Oy | Manufacturing | 2006 |
| Skapital Oy | Real estate | 2019 |
| Sosdox Oy Ab | Information & communication | 2015 |
| Squirrel Nestments Oy | Financial services | 2020 |
| Sulkavan Hiekkarannat Oy | Administrative & support | 1991 |
| TAS-rakennus Oy | Construction | 1989 |
| TT Apu OY | Construction | 2022 |
| Timokon Oy | Professional & scientific | 2006 |
| Träskelin Tommy Transport Oy | Construction | 2003 |
| Uudenmaan Tilintarkastus Oy | Professional & scientific | 2014 |
| Valkka Security Oy | Information & communication | 2016 |
| VengaVenga Oy | Administrative & support | 2020 |