| Tidaholms Fastighetsförvaltning Aktiebolag CVR 5564267812 | ManagementChief Executive Officer | Since 2026 | — | Active |
| PA Steiner Fastigheter AB CVR 5566541073 | ManagementChief Executive Officer | Since 2026 | — | Active |
| Trollhättan Läkaren 5 AB CVR 5566842810 | ManagementChief Executive Officer | Since 2026 | — | Active |
| Kungälv Rotorn 10 AB CVR 5567011183 | BoardDeputy Board Member | Since 2025 | — | Active |
| UL Steiner Fastigheter AB CVR 5567955983 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Mysing 19 Steiner AB CVR 5568960347 | ManagementChief Executive Officer | Since 2026 | — | Active |
| UA Steiner Fastigheter 2 AB CVR 5568977945 | ManagementChief Executive Officer | Since 2026 | — | Active |
| ST Steiner Fastigheter AB CVR 5569801326 | ManagementChief Executive Officer | Since 2025 | — | Active |
| Majnabbe Vision AB CVR 5590325444 | BoardDeputy Board Member | Since 2024 | — | Dissolved |
| Uddevalla Banmästaren 2 AB CVR 5591908008 | ManagementChief Executive Officer | Since 2026 | — | Active |
| Kålgården 46 i Uddevalla AB CVR 5593453821 | BoardDeputy Board Member | Since 2022 | — | Active |
| A Steiner Invest AB CVR 5593543050 | BoardDeputy Board Member | Since 2022 | — | Active |
| TGN Energy AB CVR 5594182411 | BoardDeputy Board Member | Since 2023 | — | Active |
| Labbås Fastigheter AB CVR 5594885500 | ManagementChief Executive Officer | Since 2026 | — | Active |
| TH Steiner Fastigheter AB CVR 5595400960 | ManagementChief Executive Officer | Since 2025 | — | Active |
| THN Steiner Fastigheter AB CVR 5595455683 | ManagementChief Executive Officer | Since 2025 | — | Active |
| SF Steiner Fastigheter AB CVR 5595683698 | ManagementChief Executive Officer | Since 2026 | — | Active |
| UA Steiner Fastigheter AB CVR 5595684324 | ManagementChief Executive Officer | Since 2026 | — | Active |
| PAS Sweden AB CVR 5595703363 | ManagementChief Executive Officer | Since 2026 | — | Active |
