| Helmer Group Sweden AB CVR 5565621223 | BoardDeputy Board Member | Since 2022 | — | Active |
| Destroy Rebuilding Company Aktiebolag CVR 5565677332 | BoardBoard of Directors | Since 2022 | — | Active |
| J. Ahlström Fastighets AB CVR 5566106471 | BoardBoard of Directors | Since 2022 | — | Active |
| Helmer Group Strängnäs AB CVR 5566347786 | BoardDeputy Board Member | Since 2020 | — | Dissolved |
| Mattias Helmer Aktiebolag CVR 5566789276 | BoardDeputy Board Member | Since 2021 | — | Dissolved |
| Destroy Rental AB CVR 5567114433 | BoardBoard of Directors | Since 2022 | — | Active |
| J Ahlström Förvaltnings AB CVR 5567196117 | BoardBoard of Directors | Since 2021 | — | Active |
| Vemdalsterrassen AB CVR 5567602221 | BoardBoard of Directors | Since 2022 | — | Active |
| Fastighets AB Skogås Svarven 26 CVR 5568447410 | BoardBoard of Directors | Since 2022 | — | Active |
| Tykato Projektledning AB CVR 5568611858 | BoardDeputy Board Member | Since 2022 | — | Active |
| Helmer Group Invest AB CVR 5568788482 | BoardDeputy Board Member | Since 2021 | — | Dissolved |
| Makes Time 4U AB CVR 5590630942 | BoardBoard of Directors | Since 2022 | — | Active |
| Bergtomten 25 AB CVR 5590895446 | BoardBoard of Directors | Since 2021 | — | Active |
| Utbildningslandslaget AB CVR 5591026124 | BoardBoard of Directors | Since 2022 | — | Active |
| CMJ invest AB CVR 5591624613 | BoardDeputy Board Member | Since 2020 | — | Active |
| Härjedalen Vemdalens kyrkby 83:3 AB CVR 5594703844 | BoardBoard of Directors | Since 2024 | — | Active |