| Frentab Återvinning Aktiebolag CVR 5564981487 | ManagementChief Executive Officer | Since 2022 | — | Active |
| Magasinet nr 12 AB CVR 5566756291 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Frentab Entreprenad AB CVR 5567221220 | ManagementChief Executive Officer | Since 2022 | — | Active |
| Frentab Maskin AB CVR 5567902449 | ManagementChief Executive Officer | Since 2022 | — | Active |
| Betsede Saltarö Fastigheter AB CVR 5590687348 | BoardBoard of Directors | Since 2020 | — | Active |
| PEFAL AB CVR 5591195796 | BoardBoard of Directors | Since 2020 | — | Active |
| Frentab AB CVR 5591353536 | ManagementChief Executive Officer | Since 2022 | — | Active |
| Frentab Utvecklingsfastigheter AB CVR 5592353600 | BoardBoard of Directors | Since 2022 | — | Active |
| Mörtnäs Projekt AB CVR 5592353618 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Utvecklingsfastigheter 1 AB CVR 5592387038 | BoardBoard of Directors | Since 2022 | — | Active |
| Defra Återvinning AB CVR 5592476062 | ManagementChief Executive Officer | Since 2024 | — | Active |
| Frentab Uthyrning AB CVR 5593458242 | BoardBoard of Directors | Since 2022 | — | Active |