| Mässfastigheter i Stockholm Aktiebolag CVR 5560945627 | BoardBoard of Directors | 2020 – 2021 | — | Active |
| Stockholms Handelskammares Serviceaktiebolag CVR 5560957952 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Stockholmsmässan Aktiebolag CVR 5562724491 | BoardBoard of Directors | 2020 – 2021 | — | Active |
| Niam AB CVR 5563390789 | BoardBoard of Directors | 2020 – 2026 | — | Active |
| DATSCHA AB CVR 5565787503 | BoardBoard of Directors | 2020 – 2020 | — | Active |
| Newsec AB CVR 5566442348 | BoardBoard of Directors | 2020 – 2025 | — | Active |
| Nirou AB CVR 5566527148 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| Newsec Technical Services AB CVR 5566704358 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| Newsec Advisory Sweden AB CVR 5566957592 | BoardBoard of Directors | 2020 – 2020 | — | Active |
| Niam V Holding AB CVR 5568333446 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| Newsec Property Asset Management AB CVR 5568997489 | BoardBoard of Directors | 2020 – 2021 | — | Active |
| Niam Core-Plus Holding AB CVR 5569090987 | BoardBoard of Directors | 2020 – 2022 | — | Dissolved |
| Niam VI Holding AB CVR 5569936031 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| Niam Core-Plus II Holding AB CVR 5590734165 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| Mopar Media Group AB CVR 5590739222 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| Niam VII Holding EUR AB CVR 5591602080 | BoardBoard of Directors | 2020 – 2022 | — | Dissolved |
| Niam VII Holding AB CVR 5591631022 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Niam V Holding II AB CVR 5591899538 | BoardBoard of Directors | 2020 – 2022 | — | Dissolved |
| Mopar Media Group Holding AB CVR 5591930721 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| Niam V SEK Holding AB CVR 5592313844 | BoardBoard of Directors | 2020 – 2022 | — | Dissolved |
| Niam Core-Plus SEK Holding AB CVR 5592313851 | BoardBoard of Directors | 2020 – 2022 | — | Dissolved |
| Heimstaden DK Holding 4 AB CVR 5592847239 | BoardBoard of Directors | 2021 – 2021 | — | Dissolved |
| Niam Holding AB CVR 5593054777 | BoardBoard of Directors | 2022 – 2026 | — | Active |
| Pejoni Ventures I AB CVR 5593874935 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| Pejoni Ventures II AB CVR 5593874943 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| JE Capital AB CVR 5593874950 | BoardBoard of Directors | 2022 – 2023 | — | Active |