| Asunto Oy Atalanangervo CVR 0764723-7 | OtherDeputy Member | 2013 – 2019 | — | Active |
| Aucor Oy CVR 2202642-0 | ManagementChief Executive Officer | 2019 – 2023 | — | Dissolved |
| Roister Marketing Oy CVR 2204527-7 | ManagementChief Executive Officer | 2019 – 2023 | — | Dissolved |
| Roister Global Oy CVR 2272733-1 | ManagementChief Executive Officer | 2019 – 2023 | — | Active |
| Generaxion Oy CVR 2554501-5 | ManagementChief Executive Officer | 2013 – 2020 | — | Active |
| Healthfactory Oy CVR 2619009-2 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| Roister Helsinki Oy CVR 2810513-8 | BoardBoard of Directors | 2019 – 2023 | — | Active |
| Vrom Online Oy CVR 2898746-8 | BoardBoard of Directors | 2019 – 2023 | — | Active |
| Roister East Oy CVR 2900971-1 | BoardBoard of Directors | 2019 – 2023 | — | Active |
| Roister Digital Oy CVR 2975796-3 | ManagementChief Executive Officer | 2019 – 2023 | — | Active |