| SWECO Energy AB CVR 5560075573 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| Grontmij Sverige Aktiebolag CVR 5560132341 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| SWECO Systems AB CVR 5560309733 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| Vattenbyggnadsbyrån Export AB CVR 5560791336 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| SWECO Management AB CVR 5561400283 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| SWECO Structures AB CVR 5561409557 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| SWECO Architects AB CVR 5561730606 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| Projektengagemang Sweden AB CVR 5563302602 | ManagementChief Executive Officer | 2025 – 2026 | — | Active |
| SWECO Position AB CVR 5563377364 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| SWECO Industry AB CVR 5563412476 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| SWECO Environment AB CVR 5563460327 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| SWECO Civil AB CVR 5565070868 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| Grontmij AB CVR 5565637237 | BoardBoard of Directors | 2020 – 2022 | — | Dissolved |
| Gärdhagen Akustik AB CVR 5566432414 | BoardBoard of Directors | 2024 – 2025 | — | Dissolved |
| SWECO Sverige AB CVR 5567679849 | BoardBoard of Directors | 2020 – 2020 | — | Active |
| SWECO International AB CVR 5568629918 | BoardBoard of Directors | 2020 – 2020 | — | Active |
| PE Teknik & Arkitektur AB CVR 5568968308 | ManagementChief Executive Officer | 2025 – 2026 | — | Active |
| SWECO Society AB CVR 5569491698 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| Asynjor Global AB CVR 5595163212 | BoardBoard of Directors | 2025 – 2025 | — | Active |
