| Rosenqvist Entreprenad AB CVR 5563918720 | BoardBoard of Directors | Since 2020 | — | Active |
| Rosenqvist Rail AB CVR 5564761053 | BoardBoard of Directors | Since 2022 | — | Active |
| Rosenqvist Gruppen AB CVR 5565031902 | BoardBoard of Directors | Since 2022 | — | Active |
| letsdeliverit Sweden AB CVR 5565319190 | BoardBoard of Directors | Since 2021 | — | Active |
| Vestum AB (publ) CVR 5565782496 | BoardBoard of Directors | Since 2021 | — | Active |
| XYZ Maskin Aktiebolag CVR 5566451265 | BoardBoard of Directors | Since 2020 | — | Active |
| Vallentuna Vargmötet 2:3 AB CVR 5568231442 | BoardBoard of Directors | Since 2020 | — | Active |
| Sigtuna Rosersberg 11:115 AB CVR 5569084212 | BoardBoard of Directors | Since 2020 | — | Active |
| ABR Mark & Järnväg AB CVR 5569659724 | BoardBoard of Directors | Since 2025 | — | Active |
| Hallstaåsens Fastighet AB CVR 5569775389 | BoardBoard of Directors | Since 2022 | — | Active |
| Diagona AB CVR 5590047626 | BoardBoard of Directors | Since 2022 | — | Active |
| Rosenqvist Fastighetsutveckling och Förvaltning AB CVR 5590176730 | BoardBoard of Directors | Since 2022 | — | Active |
| Rosenqvist Fastigheter Holding AB CVR 5590188966 | BoardBoard of Directors | Since 2021 | — | Active |
| ComWork AB CVR 5590308234 | BoardBoard of Directors | Since 2020 | — | Active |
| Industrihuset i Häggvik AB CVR 5590498811 | BoardBoard of Directors | Since 2021 | — | Active |
| Sigtuna Vallstanäs 2:4 Aktiebolag CVR 5590521141 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Danmarks-Kumla 8:36 AB CVR 5590920236 | BoardBoard of Directors | Since 2020 | — | Active |
| Vallentuna Olhamra 1:63 AB CVR 5591537799 | BoardBoard of Directors | Since 2021 | — | Active |
| Vaksala-Norrby 1:2 AB CVR 5591584130 | BoardBoard of Directors | Since 2021 | — | Active |
| Sigtuna Rosersberg 11:77 AB CVR 5591795850 | BoardBoard of Directors | Since 2022 | — | Active |
| Sigtuna Rosersberg 11:147 AB CVR 5592174485 | BoardBoard of Directors | Since 2022 | — | Active |
| Rosersberg Fastigheter I AB CVR 5592907975 | BoardBoard of Directors | Since 2022 | — | Active |
| Rosersberg Fastigheter III AB CVR 5592914096 | BoardBoard of Directors | Since 2022 | — | Active |
| Märsta 21:36 i Sigtuna AB CVR 5593270704 | BoardBoard of Directors | Since 2022 | — | Active |
| RGAB Invest II AB CVR 5593513517 | BoardBoard of Directors | Since 2022 | — | Active |
| RGAB Invest AB CVR 5593557779 | BoardBoard of Directors | Since 2022 | — | Active |
| XYZ Holding AB CVR 5593650103 | BoardBoard of Directors | Since 2022 | — | Active |
| Servio AB CVR 5594475062 | BoardBoard of Directors | Since 2023 | — | Active |
| Norränget Holding AB CVR 5594676982 | BoardBoard of Directors | Since 2024 | — | Active |
| Norränget Fastighets AB CVR 5594701103 | BoardBoard of Directors | Since 2024 | — | Active |
| Calle Rosenqvist Entreprenad AB CVR 5595006726 | BoardDeputy Board Member | Since 2024 | — | Active |
| Hi-Rail Solutions Nordic AB CVR 5595678201 | BoardBoard of Directors | Since 2026 | — | Active |
| Anders Rosenqvists Lastmaskiner CVR 6808177551 | OtherStakeholder | Since 1986 | — | Active |