| Korrosionsteknik L.K. Aktiebolag CVR 5561081497 | OtherExternal Signatory | Since 2022 | — | Active |
| Stenungsunds Förvaltnings Aktiebolag CVR 5561194365 | BoardDeputy Board Member | Since 2022 | — | Active |
| KONSTRUKTIONSSVETS L.K. AKTIEBOLAG CVR 5561342154 | BoardBoard of Directors | Since 2022 | — | Active |
| Stens Måleri Aktiebolag CVR 5561415539 | OtherExternal Signatory | Since 2022 | — | Active |
| H-Fönstret i Lysekil Aktiebolag CVR 5561724609 | BoardBoard of Directors | Since 2022 | — | Active |
| Plåtbröderna Aktiebolag CVR 5561935494 | BoardDeputy Board Member | Since 2022 | — | Active |
| L Fönster Fastigheter AB CVR 5561964411 | BoardDeputy Board Member | Since 2022 | — | Active |
| LEIAB Fönster AB CVR 5562190578 | OtherExternal Signatory | Since 2022 | — | Active |
| K-SVETS FÖRVALTNINGS AKTIEBOLAG CVR 5562603869 | BoardDeputy Board Member | Since 2022 | — | Active |
| L.K. Isolerteknik Aktiebolag CVR 5563626091 | OtherExternal Signatory | Since 2020 | — | Active |
| K-Svets Venture AB CVR 5564795697 | OtherExternal Signatory | Since 2022 | — | Active |
| Push & Win AB CVR 5566129945 | BoardBoard of Directors | Since 2022 | — | Active |
| Scandinavian Storage Systems AB CVR 5566343140 | OtherExternal Signatory | Since 2019 | — | Dissolved |
| Food Radar Systems in Sweden AB CVR 5566485149 | BoardBoard of Directors | Since 2020 | — | Active |
| Blue Mobile Systems AB CVR 5566676481 | BoardDeputy Board Member | Since 2022 | — | Active |
| SPS Smart Pipe Systems AB CVR 5590070354 | OtherExternal Signatory | Since 2024 | — | Active |
| K-Teknik Entreprenad AB CVR 5590669460 | BoardBoard of Directors | Since 2022 | — | Active |
| K-Svets Fastigheter AB CVR 5595096867 | OtherExternal Signatory | Since 2025 | — | Active |