| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Assemblin VS AB CVR 5560536194 | ManagementChief Executive Officer | Since 2020 | — | Active |
| Installatörsföretagen Service i Sverige AB CVR 5560908062 | BoardBoard of Directors | Since 2020 | — | Active |
| Samsons rör Aktiebolag CVR 5560909854 | BoardBoard of Directors | Since 2022 | — | Active |
| Bankeryds Rör Aktiebolag CVR 5562765270 | BoardBoard of Directors | Since 2021 | — | Active |
| ROSLAGENS VÄRMEMONTAGE AKTIEBOLAG CVR 5563287753 | BoardBoard of Directors | Since 2022 | — | Active |
| Lindahls Rör i Göteborg Aktiebolag CVR 5563323186 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Botkyrka VVS & Fastighetsservice AB CVR 5564005808 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Johansson o. Gunverth VVS- och El Aktiebolag CVR 5564017894 | BoardBoard of Directors | Since 2024 | — | Active |
| SVENSSONS RÖRINSTALLATION I KINNA Aktiebolag CVR 5564402377 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Essen Rör Aktiebolag CVR 5564593431 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Värmesvets Entreprenad i Eslöv Aktiebolag CVR 5564855806 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| TKI Teknikinstallationer Aktiebolag CVR 5565182176 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| IVARSSONS RÖRLÄGGERI AB CVR 5565418679 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| J. Wretvall Rörservice AB CVR 5565480299 | BoardBoard of Directors | Since 2022 | — | Active |
| Industri och Värmemontage Werme AB CVR 5565486411 | BoardBoard of Directors | Since 2021 | — | Active |
| P L Energi & Bygg i Åmmeberg AB CVR 5565928875 | BoardBoard of Directors | Since 2022 | — | Active |
| Vantec System AB CVR 5566050224 | BoardBoard of Directors | Since 2022 | — | Active |
| Kalmar VVS- & El-Montage AB CVR 5566149166 | BoardBoard of Directors | Since 2021 | — | Active |
| TKI Invest AB CVR 5567242234 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Premea AB CVR 5567936041 | BoardBoard of Directors | Since 2025 | — | Active |
| Grillby & F100 Rör AB CVR 5568223027 | BoardBoard of Directors | Since 2022 | — | Active |
| ENEXERGI AB CVR 5568731979 | BoardBoard of Directors | Since 2021 | — | Active |
| El & Installationsteknik i Stockholm AB CVR 5569278061 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| SDC Stockholm Design & Construction AB CVR 5569806960 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Håll Nollan Serviceaktiebolag CVR 5591166748 | BoardDeputy Board Member | Since 2024 | — | Active |
| Assemblin VS Energioptimering AB CVR 5591377600 | BoardBoard of Directors | Since 2022 | — | Active |
| Nya Sjukhusområdet Malmö VS Handelsbolag CVR 9697815158 | OtherConfidential Clerk | Since 2020 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| K.P. Svets & Smide Aktiebolag CVR 5563453736 | BoardBoard of Directors | 2021 – 2025 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| External Signatory | 2companies | View profile | |
| Board of Directors | 2companies | View profile | |
| External Signatory | 2companies | View profile | |
| Board of Directors | 2companies | View profile | |
| Chief Auditor | 2companies | View profile |