| United Technologies International Operations Inc, USA, filial Sweden CVR 5164026063 | ManagementDeputy Chief Executive Officer | Since 2022 | — | Active |
| Fläkt Teknik i Umeå AB CVR 5561223909 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Åkes Hisservice Aktiebolag CVR 5561262642 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| YIT Vatten & Miljöteknik AB CVR 5562102375 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Calu Hiss Service i Norrköping Aktiebolag CVR 5562168525 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Calu Hisservice i Linköping Aktiebolag CVR 5562494244 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| G:sson Teleteknik Aktiebolag CVR 5562589860 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Calor Fastigheter Aktiebolag CVR 5562620897 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Calor AB CVR 5564601168 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| CELLPIPE Aktiebolag CVR 5564682424 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Imtech Örebro AB CVR 5567013007 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Eltjänst Bröderna Björk Installation Aktiebolag CVR 5567623789 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Sederholm M. AB CVR 5569943458 | BoardDeputy Board Member | Since 2022 | — | Active |
| Sederholm Konsult AB CVR 5592633688 | BoardBoard of Directors | Since 2022 | — | Active |
| Promexa El AB CVR 5593239519 | BoardBoard of Directors | Since 2025 | — | Active |
| Zyllyp HoldCo AB CVR 5593781171 | BoardBoard of Directors | Since 2022 | — | Active |
| Promexa AB CVR 5594575572 | BoardBoard of Directors | Since 2025 | — | Active |
| Promexa Ventilation AB CVR 5595133025 | BoardBoard of Directors | Since 2025 | — | Active |
| Promexa VS AB CVR 5595242966 | BoardBoard of Directors | Since 2025 | — | Active |
| Bostadsrättsföreningen Gjutaren 28 CVR 7696061592 | BoardBoard of Directors | Since 2020 | — | Active |
