| HögforsGST Oy CVR 1916391-8 | BoardBoard of Directors | Since 2022 | — | Active |
| PriGST Oy CVR 2158939-5 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Cervi Oy CVR 2607385-7 | BoardBoard of Directors | Since 2022 | — | Active |
| MMGB Advisory Oy CVR 2727809-6 | BoardBoard of Directors | Since 2015 | — | Active |
| PTK Midco Oy CVR 3002698-1 | BoardChairperson | Since 2021 | — | Active |
| PTK Hallinto Oy CVR 3002702-8 | BoardChairperson | Since 2021 | — | Active |
| Vastaamon Henkilöstöosakkaat Oy CVR 3111540-9 | BoardChairperson | Since 2021 | — | Active |
| HGST BidCo Oy CVR 3165875-3 | BoardBoard of Directors | Since 2022 | — | Active |
| HGST MidCo Oy CVR 3165884-1 | BoardBoard of Directors | Since 2022 | — | Active |
| HGST Holding Oy CVR 3165887-6 | BoardBoard of Directors | Since 2022 | — | Active |
| Ruutana Holding Oy CVR 3315186-8 | BoardBoard of Directors | Since 2022 | — | Active |
| Cervi Holding Oy CVR 3316118-5 | BoardBoard of Directors | Since 2022 | — | Active |
| Cervi Group Oy CVR 3316119-3 | BoardBoard of Directors | Since 2022 | — | Active |
| Cervi Midco Oy CVR 3316120-6 | BoardBoard of Directors | Since 2022 | — | Active |
| Kaisaniemen Tenniskerho Oy CVR 3550848-8 | OtherDeputy Member | Since 2025 | — | Active |