| Fastighets Aktiebolaget Hultsteins CVR 5561061317 | BoardBoard of Directors | Since 2022 | — | Active |
| Hultsteins Kyl Aktiebolag CVR 5564004033 | BoardBoard of Directors | Since 2021 | — | Active |
| Cindra Telecom AB CVR 5566013487 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Holtback Holding AB CVR 5566116223 | ManagementChief Executive Officer | Since 2022 | — | Active |
| Holtback Group AB CVR 5566512942 | ManagementChief Executive Officer | Since 2022 | — | Active |
| Hultsteins Service AB CVR 5566570080 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Holtback Equity AB CVR 5567078174 | BoardBoard of Directors | Since 2022 | — | Active |
| Holtback Industries AB CVR 5567205199 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Holtback Real Estate AB CVR 5567625222 | BoardBoard of Directors | Since 2022 | — | Active |
| Trox AB CVR 5567740989 | BoardBoard of Directors | Since 2021 | — | Active |
| Burenius Holding AB CVR 5567956312 | BoardBoard of Directors | Since 2022 | — | Active |
| UNNAVERSE AB CVR 5568207897 | BoardBoard of Directors | Since 2022 | — | Active |
| RH Property AB CVR 5568572902 | BoardBoard of Directors | Since 2020 | — | Active |
| RH Patent AB CVR 5569062515 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Hultsteins Förvaltning AB CVR 5569631749 | BoardBoard of Directors | Since 2022 | — | Active |
| Sältetången Holding AB CVR 5590408513 | BoardBoard of Directors | Since 2022 | — | Active |
| HCT Holding II AB CVR 5591882054 | BoardBoard of Directors | Since 2020 | — | Active |
| Taku Holding AB CVR 5592000920 | BoardBoard of Directors | Since 2021 | — | Active |
| We Dare AB CVR 5592492697 | BoardBoard of Directors | Since 2022 | — | Active |