| Ila Fastighetsservice AB CVR 5563583755 | BoardBoard of Directors | Since 2026 | — | Active |
| Erik Marsch AB CVR 5569887192 | BoardBoard of Directors | Since 2020 | — | Active |
| Köpmanberget 2:30 AB CVR 5593088692 | BoardBoard of Directors | Since 2025 | — | Active |
| Erik Marsch Fastigheter i Näsviken AB CVR 5593614935 | BoardBoard of Directors | Since 2022 | — | Active |
| Erik Marsch Fastigheter Holding AB CVR 5593989923 | BoardBoard of Directors | Since 2022 | — | Active |
| Hudiksvall Forsa-Hamre 8:4 AB CVR 5594064155 | BoardBoard of Directors | Since 2022 | — | Active |
| Erik Marsch Entreprenad Holding AB CVR 5594974825 | BoardBoard of Directors | Since 2024 | — | Active |
| Erik Marsch Gruppen AB CVR 5594974833 | BoardBoard of Directors | Since 2024 | — | Active |
| Erik Marsch Markexploatering i Näsviken AB CVR 5595359125 | BoardBoard of Directors | Since 2025 | — | Active |
| Hudiksvall Norränget 5:12 AB CVR 5595389098 | BoardBoard of Directors | Since 2025 | — | Active |
| Erik Marsch Fastigheter i Hudiksvall AB CVR 5595482968 | BoardBoard of Directors | Since 2025 | — | Active |
| HKB 2:30 AB CVR 5595484881 | BoardBoard of Directors | Since 2025 | — | Active |
| Hudiksvall Forsa-Hamre 2:12 AB CVR 5595508143 | BoardBoard of Directors | Since 2025 | — | Active |
| Erik Marsch ILAF Holding AB CVR 5595659581 | BoardBoard of Directors | Since 2026 | — | Active |
| EMG Rental AB CVR 5595760850 | BoardBoard of Directors | Since 2026 | — | Active |
| Vi 2:33 AB CVR 5595833814 | BoardBoard of Directors | Since 2026 | — | Active |