| FGB Fastighets AB CVR 5567917181 | BoardBoard of Directors | Since 2022 | — | Active |
| Kohagen AB CVR 5568344435 | BoardBoard of Directors | Since 2024 | — | Active |
| Orrekulla Industrigata 38 Fastighets AB CVR 5568379498 | BoardBoard of Directors | Since 2026 | — | Active |
| Ferrum Förvaltnings AB CVR 5568744444 | BoardBoard of Directors | Since 2022 | — | Active |
| Ferrum AB CVR 5590788120 | BoardBoard of Directors | Since 2022 | — | Active |
| Klockarebyn AB CVR 5592068422 | BoardBoard of Directors | Since 2022 | — | Active |
| Monrin Holding AB CVR 5592319833 | BoardBoard of Directors | Since 2022 | — | Active |
| Ferrum Viskastigen AB CVR 5592789670 | BoardBoard of Directors | Since 2022 | — | Active |
| Alkerum Holding 1 AB CVR 5593726747 | BoardBoard of Directors | Since 2022 | — | Active |
| Alkerum Ekorren AB CVR 5593726754 | BoardBoard of Directors | Since 2022 | — | Active |
| Alkerum Utveckling AB CVR 5594755588 | BoardBoard of Directors | Since 2024 | — | Active |
| Qvilldal Consulting AB CVR 5594763582 | BoardBoard of Directors | Since 2024 | — | Active |
| Alkerum Trollängen Holding AB CVR 5595001289 | BoardBoard of Directors | Since 2024 | — | Active |
| Alkerum Trollängen Holding 2 AB CVR 5595030304 | BoardBoard of Directors | Since 2024 | — | Active |
| Byggvägen 4 Stenkullen Fastighets AB CVR 5595046284 | BoardBoard of Directors | Since 2025 | — | Active |
| Optuna Management AB CVR 5595107441 | BoardBoard of Directors | Since 2025 | — | Active |
| Optuna JV AB CVR 5595112292 | BoardBoard of Directors | Since 2025 | — | Active |
| Linden Utveckling AB CVR 5595173666 | BoardBoard of Directors | Since 2025 | — | Active |
| Lerum Berg 1:86 Fastighets AB CVR 5595219576 | BoardBoard of Directors | Since 2025 | — | Dissolved |
| Alma Optuna II AB CVR 5595291120 | BoardBoard of Directors | Since 2025 | — | Active |
| Alma Optuna III AB CVR 5595439497 | BoardBoard of Directors | Since 2025 | — | Active |
| Alma Optuna IV AB CVR 5595475103 | BoardBoard of Directors | Since 2025 | — | Active |
| ASQ Holding AB CVR 5595541805 | BoardBoard of Directors | Since 2025 | — | Active |
| ASQ Varberg AB CVR 5595545228 | BoardBoard of Directors | Since 2025 | — | Active |
| ASQ AM AB CVR 5595595264 | BoardBoard of Directors | Since 2025 | — | Active |
| Alma Optuna Holding AB CVR 5595785352 | BoardBoard of Directors | Since 2026 | — | Active |