| HSB Sörmlandsbostäder AB CVR 5565267852 | ManagementChief Executive Officer | Since 2020 | — | Active |
| Viti Affärsutveckling AB CVR 5568177140 | BoardBoard of Directors | Since 2022 | — | Active |
| Trosalundsberget Holding AB CVR 5590006622 | BoardBoard of Directors | Since 2021 | — | Active |
| Ulvhäll Mark AB CVR 5590691571 | BoardBoard of Directors | Since 2022 | — | Active |
| Mark 1 i Ånneröd AB CVR 5590849948 | BoardBoard of Directors | Since 2020 | — | Active |
| Trumptorp Holding AB CVR 5591203970 | BoardBoard of Directors | Since 2020 | — | Active |
| Ox Höjden 24 Fastighetsbolaget AB CVR 5591469381 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Strängnäs Solpark AB CVR 5592120595 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| HSB Södermanland Entreprenad 1 AB CVR 5592387897 | BoardBoard of Directors | Since 2022 | — | Active |
| Fastighetsbolaget Arnö i Nyköping AB CVR 5592409279 | BoardBoard of Directors | Since 2022 | — | Active |
| Viti Kreativt skapande AB CVR 5593319790 | BoardBoard of Directors | Since 2022 | — | Active |
| Eyja Musik AB CVR 5595213942 | BoardDeputy Board Member | Since 2025 | — | Active |
| HSB Södermanland Holding 2 AB CVR 5595348839 | BoardBoard of Directors | Since 2025 | — | Active |
| HSB Södermanland Holding 2:1 AB CVR 5595362962 | BoardBoard of Directors | Since 2025 | — | Active |
| HSB Södermanland Holding 2:2 AB CVR 5595362970 | BoardBoard of Directors | Since 2025 | — | Active |
| HSB Sörmlandsbostäder Holding AB CVR 5595526210 | BoardBoard of Directors | Since 2025 | — | Active |
| HSB Sörmlandsbostäder 2 AB CVR 5595568840 | BoardBoard of Directors | Since 2025 | — | Active |
| HSB Södermanlands län Ekonomisk förening CVR 7164020567 | ManagementChief Executive Officer | Since 2022 | — | Active |
| HSB Bostadsrättsförening Kaninen i Nyköping CVR 7190002381 | BoardBoard of Directors | Since 2024 | — | Active |
| HSBs Solpark ekonomisk förening CVR 7696389399 | BoardBoard of Directors | Since 2022 | — | Active |
| HSB Produktion i Södermanland Handelsbolag CVR 9697738392 | OtherConfidential Clerk | Since 2021 | — | Active |