| STHLM ByggAlliance AB CVR 5568522352 | BoardBoard of Directors | Since 2021 | — | Active |
| SEVER Consulting AB CVR 5569086456 | BoardBoard of Directors | Since 2021 | — | Active |
| Stockholmsplatt Terrazzo AB CVR 5569171324 | BoardDeputy Board Member | Since 2025 | — | Active |
| Stockholms Plattsättning Sverige AB CVR 5569802118 | BoardBoard of Directors | Since 2023 | — | Active |
| BLAGO Holding AB CVR 5592328644 | BoardBoard of Directors | Since 2021 | — | Active |
| ILJAMA Holding AB CVR 5593076804 | BoardBoard of Directors | Since 2021 | — | Active |
| OSINWID Fastigheter AB CVR 5593774515 | BoardBoard of Directors | Since 2022 | — | Active |
| OSINWID Holding AB CVR 5593994881 | BoardBoard of Directors | Since 2022 | — | Active |
| OSINWID Projektering AB CVR 5594010323 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| OSINWID Fastigheter 2 AB CVR 5594032376 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| OSINWID Fastigheter 3 AB CVR 5594033622 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| SBA PEAK AB CVR 5594567504 | BoardBoard of Directors | Since 2024 | — | Active |
| SBA Holding AB CVR 5595819797 | BoardBoard of Directors | Since 2026 | — | Active |