| SWE Sprinkler AB CVR 5567236608 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| BST South AB CVR 5568229248 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Compentus AB CVR 5568434129 | BoardBoard of Directors | Since 2022 | — | Active |
| BST Brandskyddsteamet Mitt AB CVR 5569068603 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Orarius AB CVR 5569899882 | BoardBoard of Directors | Since 2022 | — | Active |
| Siphra System AB CVR 5590063698 | BoardBoard of Directors | Since 2026 | — | Active |
| BST Södra AB CVR 5590178090 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| SMIM Stockholm marin- & industrimotor AB CVR 5590642541 | BoardDeputy Board Member | Since 2026 | — | Active |
| BST West AB CVR 5590705132 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| BST Brandskyddsteamet Skåne AB CVR 5591074629 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| BST Infra AB CVR 5591150965 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Sprinkler Service Stockholm Aktiebolag CVR 5591488548 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| BST Sweden Holding AB CVR 5591994990 | BoardDeputy Board Member | Since 2025 | — | Active |
| BST Group AB CVR 5591995005 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Acinus AB CVR 5592004773 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| BST Group AB (publ) CVR 5593400475 | BoardBoard of Directors | Since 2022 | — | Active |
| Siphra AB CVR 5595186197 | BoardBoard of Directors | Since 2025 | — | Active |
| Bostadsrättsföreningen Guldfisken 32 CVR 7696066203 | BoardBoard of Directors | Since 2020 | — | Active |
