| ATDAHL Invest & Fastigheter AB CVR 5590204557 | BoardDeputy Board Member | Since 2022 | — | Active |
| Sandseth Invest AB CVR 5590229927 | BoardBoard of Directors | Since 2022 | — | Active |
| Fastighets AB Rotkärret CVR 5592715063 | BoardDeputy Board Member | Since 2023 | — | Dissolved |
| Sethmark Holding AB CVR 5593595373 | BoardBoard of Directors | Since 2022 | — | Active |
| Sethmark Inter 1 AB CVR 5593637951 | BoardBoard of Directors | Since 2022 | — | Active |
| Koger Invest AB CVR 5593674590 | BoardBoard of Directors | Since 2022 | — | Active |
| Telegramvägen Utveckling 1 AB CVR 5593685778 | BoardBoard of Directors | Since 2022 | — | Active |
| Sethmark Project 6 AB CVR 5593732315 | BoardBoard of Directors | Since 2022 | — | Active |
| Sethmark Project 5 AB CVR 5593732687 | BoardBoard of Directors | Since 2022 | — | Active |
| Sethmark Projekterings AB CVR 5593856973 | BoardBoard of Directors | Since 2022 | — | Active |
| TRM Invest AB CVR 5594294315 | BoardBoard of Directors | Since 2023 | — | Active |
| Sethmark Project 7 AB CVR 5594305988 | BoardBoard of Directors | Since 2023 | — | Active |
| Sethmark Project 8 AB CVR 5594562372 | BoardBoard of Directors | Since 2023 | — | Active |
| Sethmark Inter 2 AB CVR 5594581943 | BoardBoard of Directors | Since 2023 | — | Active |
| Sethmark Project 9 AB CVR 5594780065 | BoardBoard of Directors | Since 2024 | — | Active |
| Sethmark Project X AB CVR 5595339069 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Project Mellan X AB CVR 5595502013 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Project XI AB CVR 5595502112 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Mellan X AB CVR 5595514901 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Inter 3 AB CVR 5595520031 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Project Mellan XI AB CVR 5595620237 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Project XIII AB CVR 5595620245 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Project Mellan XIII AB CVR 5595620252 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Project XII AB CVR 5595620260 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Project XV AB CVR 5595620278 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Project Mellan XV AB CVR 5595620286 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Project XIV Mellan AB CVR 5595620294 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethmark Project XIV AB CVR 5595624460 | BoardBoard of Directors | Since 2025 | — | Active |
| Sethwall Invest AB CVR 5595653741 | BoardBoard of Directors | Since 2026 | — | Active |
| Sethmark Inter 4 AB CVR 5595816207 | BoardBoard of Directors | Since 2026 | — | Active |
| Bostadsrättsföreningen Segelvyn 2 CVR 7696354914 | BoardBoard of Directors | Since 2025 | — | Active |
| Bostadsrättsföreningen Skribenten CVR 7696428940 | BoardBoard of Directors | Since 2025 | — | Active |
| Bostadsrättsföreningen Marina Hills CVR 7696434740 | BoardBoard of Directors | Since 2025 | — | Active |
| Bostadsrättsföreningen Täby Skogsljus CVR 7696434781 | BoardBoard of Directors | Since 2025 | — | Active |
| Bostadsrättsföreningen Semesterviken i Nacka CVR 7696435754 | BoardBoard of Directors | Since 2026 | — | Active |