| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Henningsons Elektriska AB CVR 5560598855 | BoardBoard of Directors | Since 2023 | — | Active |
| Blomquist Ventilation AB CVR 5563224053 | BoardBoard of Directors | Since 2022 | — | Active |
| Alf Näslunds Eltjänst AB CVR 5564256039 | BoardBoard of Directors | Since 2025 | — | Active |
| Kempes El Aktiebolag CVR 5564647237 | BoardBoard of Directors | Since 2023 | — | Active |
| AB Melins Plåtslageri CVR 5564935889 | BoardBoard of Directors | Since 2023 | — | Active |
| Dala Kylmecano Aktiebolag CVR 5565415576 | BoardBoard of Directors | Since 2020 | — | Active |
| Gävle Brunnsborrning AB CVR 5565535795 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| PeMi Ventilation & Montage AB CVR 5565836631 | BoardBoard of Directors | Since 2022 | — | Active |
| Tunabygdens VVS-Installatör AB CVR 5566280623 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| DALAB Sverige AB CVR 5566389929 | BoardBoard of Directors | Since 2023 | — | Active |
| Grubb & Cronvall VVS & Energi Teknik AB CVR 5566393442 | BoardBoard of Directors | Since 2026 | — | Active |
| Energibrunnar Nord AB CVR 5566619036 | BoardBoard of Directors | Since 2023 | — | Active |
| RIKELEKTRO AB CVR 5567012421 | BoardBoard of Directors | Since 2023 | — | Active |
| Inlands Luft AB CVR 5567038202 | BoardBoard of Directors | Since 2023 | — | Active |
| Sprinklerbolaget Stockholm AB CVR 5567317234 | BoardBoard of Directors | Since 2023 | — | Active |
| Blomquist Kylteknik AB CVR 5567442495 | BoardBoard of Directors | Since 2023 | — | Active |
| Blomquist Rör AB CVR 5567449193 | BoardBoard of Directors | Since 2023 | — | Active |
| Miljöventilation i Mellannorrland AB CVR 5567483374 | BoardBoard of Directors | Since 2021 | — | Active |
| TC Kraft AB CVR 5567902258 | BoardBoard of Directors | Since 2021 | — | Active |
| OVAB Optimal Ventilation AB CVR 5568061310 | BoardBoard of Directors | Since 2023 | — | Active |
| Rörprodukter Montage Sverige AB CVR 5568858400 | BoardBoard of Directors | Since 2024 | — | Active |
| Keyvent AB CVR 5569040610 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Milen Ventilation AB CVR 5569637258 | BoardBoard of Directors | Since 2022 | — | Active |
| Norrtech VVS och industri AB CVR 5569894651 | BoardBoard of Directors | Since 2023 | — | Active |
| Elektro Västerbotten AB CVR 5590779731 | BoardBoard of Directors | Since 2022 | — | Active |
| Z-Signaler AB CVR 5592080005 | BoardBoard of Directors | Since 2022 | — | Active |
| Blomquist gruppen AB CVR 5593401432 | BoardBoard of Directors | Since 2023 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Automationsbolaget Sverige AB CVR 5590991245 | BoardBoard of Directors | 2022 – 2025 | — | Dissolved |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Chief Auditor | 3companies | View profile | |
| External Signatory | 2companies | View profile | |
| Board of Directors | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Chairman | 1company | View profile |