| Katternö Kraft Oy Ab CVR 0180034-1 | BoardBoard of Directors | Since 2025 | — | Active |
| Karis Telefon Ab CVR 0202975-5 | BoardBoard of Directors | Since 2018 | — | Active |
| Raseborgs Energi Ab CVR 0832434-1 | ManagementChief Executive Officer | Since 2014 | — | Active |
| Raseborgs Stadsnät Ab CVR 1597177-4 | BoardChairperson | Since 2020 | — | Active |
| Kanteleen Voima Oy CVR 2069341-4 | OtherDeputy Member | Since 2025 | — | Active |
| Katternö Kraft Oy Ab CVR 2070530-7 | BoardBoard of Directors | Since 2018 | — | Dissolved |
| Puhuri Oy CVR 2316411-2 | OtherDeputy Member | Since 2025 | — | Active |
| Hailstorm Consulting CVR 2398095-3 | OtherStakeholder | Since 2011 | — | Active |
| C-Fiber Hanko Oy CVR 2797483-3 | BoardBoard of Directors | Since 2017 | — | Active |
| Piipsan Tuulivoima Oy CVR 3156718-1 | OtherDeputy Member | Since 2025 | — | Active |
| Yhteistuuli Oy CVR 3156722-9 | OtherDeputy Member | Since 2025 | — | Active |
| Korttelilataus Oy CVR 3243559-4 | BoardBoard of Directors | Since 2025 | — | Active |
| Raseborg Marina Oy Ab CVR 3494426-1 | BoardBoard of Directors | Since 2024 | — | Active |