| Crys-Kiinteistöt Oy CVR 0107334-0 | BoardBoard of Directors | Since 2022 | — | Active |
| Kiinteistö Oy Joensuun Tavaratalo CVR 0586127-2 | BoardBoard of Directors | Since 2018 | — | Active |
| Autotalo Laakkonen Oy CVR 1110116-5 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| L3 Toimitilat Oy CVR 1570024-5 | BoardBoard of Directors | Since 2016 | — | Active |
| Kiinteistö Oy Raision Nikkari CVR 1649236-1 | BoardBoard of Directors | Since 2022 | — | Active |
| Rakennus Laakkonen Oy CVR 2000121-1 | BoardBoard of Directors | Since 2022 | — | Active |
| P-talo Kirkkokatu 26 B Oy CVR 2114661-5 | BoardBoard of Directors | Since 2024 | — | Active |
| Laakkonen Kiinteistöt Oy CVR 2273311-7 | BoardBoard of Directors | Since 2017 | — | Active |
| Kiinteistö Oy Vantaan Airportti CVR 2273765-2 | BoardBoard of Directors | Since 2022 | — | Active |
| Kiinteistö Oy Vantaan Auto-Airportti CVR 2273767-9 | BoardBoard of Directors | Since 2022 | — | Active |
| Asunto Oy Joensuun Torikatu 33 CVR 2456045-9 | BoardBoard of Directors | Since 2023 | — | Active |
| Hannuksen Pysäköinti Oy CVR 2692275-9 | BoardBoard of Directors | Since 2020 | — | Active |
| Kiinteistö Oy Kenkätie 16 CVR 2704561-2 | BoardBoard of Directors | Since 2020 | — | Active |
| Kiinteistö Oy Espoon Hannus CVR 2836003-2 | BoardBoard of Directors | Since 2022 | — | Active |
| L3 Invest Oy CVR 2837935-8 | BoardChairperson | Since 2017 | — | Dissolved |
| Jajola Invest Oy CVR 3421390-1 | OtherDeputy Member | Since 2024 | — | Active |