| Zander & Ingeström Aktiebolag CVR 5560203472 | BoardBoard of Directors | Since 2022 | — | Active |
| Berner Industrier AB CVR 5560263666 | ManagementChief Executive Officer | Since 2020 | — | Active |
| Christian Berner Aktiebolag CVR 5560495235 | BoardBoard of Directors | Since 2020 | — | Active |
| Aktiebolaget G.F. Swedenborg Ingenjörsfirma CVR 5560935479 | BoardBoard of Directors | Since 2022 | — | Active |
| Bullerbekämparen Svenska Aktiebolag CVR 5561614123 | BoardBoard of Directors | Since 2022 | — | Active |
| Fillflex AB CVR 5562814102 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Christian Berner Business Services AB CVR 5564731783 | BoardDeputy Board Member | Since 2022 | — | Active |
| Autofric AB CVR 5565839379 | BoardBoard of Directors | Since 2025 | — | Active |
| Bufab AB (publ) CVR 5566856240 | BoardBoard of Directors | Since 2025 | — | Active |
| Alfa Tec Sweden AB CVR 5569398901 | BoardDeputy Board Member | Since 2022 | — | Dissolved |
| Power To Heat Scandinavia AB CVR 5590909981 | BoardDeputy Board Member | Since 2023 | — | Active |
| Råda 1:279 AB CVR 5593947657 | BoardDeputy Board Member | Since 2025 | — | Active |
| Sirius Tower AB CVR 5595452649 | BoardDeputy Board Member | Since 2026 | — | Active |