| Arum i Arboga 2 AB CVR 5562457480 | BoardBoard of Directors | Siden 2024 | — | Aktiv |
| Redovisningspunkten AB CVR 5565361051 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| Alholmen förvaltning AB CVR 5565693420 | BoardBoard of Directors | Siden 2025 | — | Aktiv |
| Fyra design AB CVR 5565772661 | BoardDeputy Board Member | Siden 2021 | — | Aktiv |
| Mälardalen Bostäder AB CVR 5568211378 | BoardBoard of Directors | Siden 2025 | — | Aktiv |
| Kopplingsboxen 1 AB CVR 5569671364 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| HellqvistGruppen AB CVR 5569854853 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| Arum Fastigheter AB CVR 5590076930 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| Sve-landet AB CVR 5591098917 | BoardDeputy Board Member | Siden 2019 | — | Opløst |
| Arum i Eskilstuna AB CVR 5592028756 | BoardBoard of Directors | Siden 2025 | — | Aktiv |
| Åsöoljan Holding AB CVR 5592028772 | BoardBoard of Directors | Siden 2025 | — | Aktiv |
| Ösmo Park Förvaltning AB CVR 5593091688 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| Omsö Förvaltning AB CVR 5593315889 | BoardBoard of Directors | Siden 2022 | — | Opløst |
| Arum i Arboga 1 AB CVR 5593449852 | BoardBoard of Directors | Siden 2024 | — | Aktiv |
| Arum i Köping AB CVR 5593491573 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| Fastigheter i Köping AB CVR 5593552630 | BoardBoard of Directors | Siden 2022 | — | Opløst |
| Arum i Kungsör AB CVR 5594365487 | BoardBoard of Directors | Siden 2023 | — | Aktiv |
| Arum i Nyköping AB CVR 5595201822 | BoardBoard of Directors | Siden 2025 | — | Aktiv |
| Bostadsrättsföreningen Dähliehuset Åre Torg CVR 7696148902 | BoardBoard of Directors | Siden 2020 | — | Aktiv |
