| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Aktiebolaget Ramson CVR 5560914458 | BoardBoard of Directors | Since 2025 | — | Active |
| IBECO Ingenjörsfirma F. Berglund & Co Aktiebolag CVR 5561203828 | BoardBoard of Directors | Since 2025 | — | Active |
| Svanesunds Rör Aktiebolag CVR 5561258269 | BoardBoard of Directors | Since 2025 | — | Active |
| ABAT AB CVR 5563140820 | BoardBoard of Directors | Since 2025 | — | Active |
| Dala Kommunalteknik Aktiebolag CVR 5563377323 | BoardBoard of Directors | Since 2025 | — | Active |
| 3VA-SÄKRARE Aktiebolag CVR 5563745222 | BoardBoard of Directors | Since 2026 | — | Active |
| Proco Services AB CVR 5565884755 | BoardBoard of Directors | Since 2025 | — | Active |
| Nordiska VA Teknik AB CVR 5566210208 | BoardBoard of Directors | Since 2025 | — | Active |
| ELVA ProcessAutomation AB CVR 5567090617 | BoardBoard of Directors | Since 2025 | — | Active |
| Emendo AB CVR 5567169585 | BoardBoard of Directors | Since 2025 | — | Active |
| Avvatech Vatten & Miljöteknik AB CVR 5567388953 | BoardBoard of Directors | Since 2025 | — | Active |
| ASB VA-automation AB CVR 5567495576 | BoardBoard of Directors | Since 2025 | — | Active |
| Aquasvea AB CVR 5567925887 | BoardBoard of Directors | Since 2025 | — | Active |
| NoFo 4 AB CVR 5568053184 | BoardBoard of Directors | Since 2025 | — | Active |
| Nordiska VA Teknik Holding AB CVR 5568249121 | BoardBoard of Directors | Since 2025 | — | Active |
| Uniwater AB CVR 5569827065 | BoardBoard of Directors | Since 2025 | — | Active |
| Wåge Nordiska AB CVR 5590413067 | BoardBoard of Directors | Since 2025 | — | Active |
| Proco Innovation AB CVR 5591653406 | BoardBoard of Directors | Since 2025 | — | Active |
| Rostfria VA-system Sverige AB CVR 5592711369 | BoardBoard of Directors | Since 2025 | — | Active |
| Industri & Bygginstallationer i Norden AB CVR 5593817967 | BoardBoard of Directors | Since 2025 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Zander & Ingeström Aktiebolag CVR 5560203472 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| Christian Berner Aktiebolag CVR 5560495235 | OtherChief Auditor | 2020 – 2022 | — | Active |
| Aktiebolaget G.F. Swedenborg Ingenjörsfirma CVR 5560935479 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Stockholms Elinvest AB CVR 5564425337 | BoardBoard of Directors | 2020 – 2021 | — | Dissolved |
| Christian Berner Business Services AB CVR 5564731783 | ManagementChief Executive Officer | 2020 – 2022 | — | Active |
| Gapwaves AB CVR 5568402829 | BoardBoard of Directors | 2021 – 2025 | — | Active |
| Alfa Tec Sweden AB CVR 5569398901 | BoardBoard of Directors | 2020 – 2022 | — | Dissolved |
| Power To Heat Scandinavia AB CVR 5590909981 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| Powercell Warrants One AB CVR 5591107437 | BoardBoard of Directors | 2023 – 2024 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 2companies | View profile | |
| Board of Directors | 2companies | View profile | |
| Board of Directors | 2companies | View profile | |
| Chief Auditor | 2companies | View profile | |
| Chairman | 2companies | View profile |