| Bostadsaktiebolaget Brovägen 2 CVR 0671650-1 | BoardBoard of Directors | Since 2026 | — | Active |
| SOL Henkilöstöpalvelut Oy CVR 0673342-4 | BoardChairperson | Since 2012 | — | Active |
| SOLEMO Oy CVR 0790905-7 | ManagementChief Executive Officer | Since 2011 | — | Active |
| Punkaharjun Monihuolto Oy CVR 0926083-7 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| SOL Pesulapalvelut Oy CVR 1538329-4 | BoardChairperson | Since 2012 | — | Active |
| Nordic Henkilöstöpalvelut Oy CVR 1831904-4 | BoardChairperson | Since 2022 | — | Dissolved |
| SOL Palvelut Oy CVR 2160299-1 | BoardBoard of Directors | Since 2012 | — | Active |
| SOL Logistiikkapalvelut Oy CVR 2988363-6 | BoardChairperson | Since 2019 | — | Active |
| SOL Kiinteistöpalvelut Oy CVR 3111175-8 | BoardBoard of Directors | Since 2020 | — | Active |
| Nordic HR Finland Oy CVR 3117053-9 | BoardChairperson | Since 2022 | — | Active |
| Ruka911 Kiinteistöpalvelut Oy CVR 3135798-5 | BoardBoard of Directors | Since 2022 | — | Active |
| Nordic HR Rakentaminen Oy CVR 3149980-1 | BoardChairperson | Since 2022 | — | Active |
| Vistan Pesula Oy CVR 3433758-4 | BoardChairperson | Since 2026 | — | Active |
| Gruppo Perla Oy CVR 3582203-9 | BoardChairperson | Since 2025 | — | Active |
