| Ahoksi Oy CVR 0153763-5 | OtherAudit | 2004 – 2025 | — | Active |
| HL-TK Invest Oy CVR 0154052-7 | BoardBoard of Directors | 2005 – 2025 | — | Active |
| Tampereen Särkänniemi Oy CVR 0155085-6 | BoardBoard of Directors | 2018 – 2023 | — | Active |
| Tampereen Aluetaksi Oy CVR 0829622-1 | BoardBoard of Directors | 2018 – 2025 | — | Active |
| Deep Lead Oy CVR 1753521-2 | BoardBoard of Directors | 2016 – 2025 | — | Active |
| Connection House Oy CVR 2016455-5 | BoardBoard of Directors | 2013 – 2022 | — | Active |
| DEN Group Oy CVR 2385352-4 | BoardBoard of Directors | 2018 – 2026 | — | Active |
| KnowUrBiz Oy CVR 2448996-3 | BoardBoard of Directors | 2019 – 2024 | — | Active |
| Kiinteistötarina Oy CVR 2619693-7 | BoardChairperson | 2018 – 2026 | — | Active |
| Keiturin Sote Oy CVR 2677385-3 | BoardBoard of Directors | 2018 – 2019 | — | Active |
| Gronlund Palvelut Oy CVR 2703798-9 | BoardBoard of Directors | 2018 – 2024 | — | Active |
| Tampereen Raitiotie Oy CVR 2802791-8 | BoardBoard of Directors | 2017 – 2024 | — | Active |
| Pinja Lean Oy CVR 2827361-7 | BoardBoard of Directors | 2017 – 2019 | — | Dissolved |
| Business Kangasala Oy CVR 2912961-7 | BoardBoard of Directors | 2018 – 2025 | — | Active |
| Potenter Professionals Oy CVR 2991636-2 | BoardChairperson | 2021 – 2022 | — | Active |
| Eatshares Oy CVR 3109432-9 | BoardBoard of Directors | 2022 – 2023 | — | Active |