| Crys-Kiinteistöt Oy CVR 0107334-0 | BoardBoard of Directors | Since 2017 | — | Active |
| Kiinteistö Oy Kauppaneliö CVR 0167960-9 | BoardBoard of Directors | Since 2023 | — | Active |
| Kiinteistö Oy Ora-Kotila CVR 0207516-1 | BoardBoard of Directors | Since 2023 | — | Active |
| Kiinteistö Oy Joensuun Tavaratalo CVR 0586127-2 | ManagementChief Executive Officer | Since 2023 | — | Active |
| Autotalo Laakkonen Oy CVR 1110116-5 | BoardBoard of Directors | Since 2017 | — | Dissolved |
| L3 Toimitilat Oy CVR 1570024-5 | BoardBoard of Directors | Since 2016 | — | Active |
| Kiinteistö Oy Raision Nikkari CVR 1649236-1 | BoardBoard of Directors | Since 2017 | — | Active |
| Kytäjä Golf Oy CVR 1703807-2 | BoardBoard of Directors | Since 2023 | — | Active |
| Rakennus Laakkonen Oy CVR 2000121-1 | BoardBoard of Directors | Since 2017 | — | Active |
| Kauppakeskus ISO MYY Oy CVR 2084332-0 | BoardBoard of Directors | Since 2023 | — | Active |
| Myyn Parkki Oy CVR 2084347-8 | BoardBoard of Directors | Since 2023 | — | Active |
| P-talo Kirkkokatu 26 B Oy CVR 2114661-5 | ManagementChief Executive Officer | Since 2023 | — | Active |
| Laakkonen Kiinteistöt Oy CVR 2273311-7 | BoardBoard of Directors | Since 2017 | — | Active |
| Kiinteistö Oy Vantaan Airportti CVR 2273765-2 | BoardBoard of Directors | Since 2021 | — | Active |
| Kiinteistö Oy Vantaan Auto-Airportti CVR 2273767-9 | BoardBoard of Directors | Since 2021 | — | Active |
| Kiinteistö Oy Kenkätie 16 CVR 2704561-2 | BoardBoard of Directors | Since 2022 | — | Active |
| Skantti Oy CVR 2724275-5 | BoardBoard of Directors | Since 2015 | — | Active |
| Kiinteistö Oy Espoon Hannus CVR 2836003-2 | BoardBoard of Directors | Since 2017 | — | Active |
| L3 Invest Oy CVR 2837935-8 | BoardBoard of Directors | Since 2017 | — | Dissolved |
| Nordic Plug Oy CVR 3239320-8 | BoardChairperson | Since 2026 | — | Active |