| Asunto Oy Jääkärinmäki CVR 0221782-8 | OtherDeputy Member | 2019 – 2021 | — | Active |
| Chempolis Oy CVR 0993282-4 | BoardBoard of Directors | 2018 – 2020 | — | Active |
| Q-Katsastus Jyväskylä Oy CVR 1009257-8 | OtherDeputy Member | 2020 – 2025 | — | Active |
| Volter Oy CVR 1106143-1 | BoardBoard of Directors | 2019 – 2020 | — | Active |
| Naps Solar Oy CVR 1651405-7 | BoardChairperson | 2017 – 2020 | — | Active |
| Asunto Oy Syväraumankatu 13 Rauma CVR 1994912-8 | BoardBoard of Directors | 2017 – 2020 | — | Active |
| Q-Katsastus Joensuu Oy CVR 2090443-7 | OtherDeputy Member | 2020 – 2025 | — | Active |
| Q-Katsastus Kuopio Oy CVR 2240108-3 | OtherConfidential Clerk | 2021 – 2025 | — | Active |
| Katsastus Kovalainen Oy CVR 2250160-7 | OtherConfidential Clerk | 2021 – 2025 | — | Active |
| OptiWatti Oy CVR 2537003-2 | BoardBoard of Directors | 2017 – 2020 | — | Active |
| Q-Katsastus Kouvola Oy CVR 2574079-3 | OtherConfidential Clerk | 2021 – 2025 | — | Active |
| Naps Solar Systems Oy CVR 2598140-7 | BoardChairperson | 2017 – 2020 | — | Dissolved |
| Q-Katsastus Lahti Oy CVR 2677438-9 | OtherDeputy Member | 2020 – 2025 | — | Active |
| AALTO Construction Oy CVR 2684058-5 | BoardBoard of Directors | 2016 – 2019 | — | Active |
| Wastewise Group Oy CVR 2763131-2 | BoardChairperson | 2017 – 2020 | — | Active |
| Helix Partners Oy CVR 3102398-5 | BoardChairperson | 2019 – 2025 | — | Active |
| Suomen Katsastusasemat Oy CVR 3160745-4 | OtherConfidential Clerk | 2020 – 2025 | — | Active |
| Q-Katsastus Herttoniemi Oy CVR 3194268-2 | OtherConfidential Clerk | 2021 – 2025 | — | Active |
| Helix Teollisuuskiinteistöt GP Oy CVR 3239945-8 | BoardBoard of Directors | 2024 – 2025 | — | Active |
| Helix Real Estate Oy CVR 3239946-6 | BoardBoard of Directors | 2021 – 2025 | — | Active |
| Q-Katsastus Kirkkonummi Oy CVR 3411566-6 | OtherDeputy Member | 2024 – 2025 | — | Active |
| Koillismaan Autokatsastus Oy CVR 3432372-1 | OtherDeputy Member | 2024 – 2025 | — | Active |
| Katsastus Kovalainen Karhunmäki Oy CVR 3490002-3 | OtherDeputy Member | 2024 – 2025 | — | Active |
