| International Invention Trading Company Aktiebolag CVR 5560463498 | BoardBoard of Directors | Since 2022 | — | Active |
| Lennart Ericsson Fastigheter Aktiebolag CVR 5561193086 | BoardBoard of Directors | Since 2022 | — | Active |
| FASTIGHETSAKTIEBOLAGET SKIFTNYCKELN CVR 5562956929 | BoardBoard of Directors | Since 2022 | — | Active |
| Lennart Ericsson Förvaltning i Stockholm AB CVR 5563419000 | BoardBoard of Directors | Since 2022 | — | Active |
| Lennart Ericsson Holding AB CVR 5565379368 | BoardBoard of Directors | Since 2022 | — | Active |
| Erkdu AB CVR 5566557954 | BoardBoard of Directors | Since 2022 | — | Active |
| Erkdu Holding AB CVR 5566599618 | BoardBoard of Directors | Since 2022 | — | Active |
| GUC Fastigheter AB CVR 5566721105 | BoardBoard of Directors | Since 2022 | — | Active |
| Lennart Ericsson Projekt AB CVR 5566803424 | BoardBoard of Directors | Since 2022 | — | Active |
| Erkdu Norra Djurgårdsstaden AB CVR 5567510960 | BoardBoard of Directors | Since 2022 | — | Active |
| Lennart Ericsson Värdepapper AB CVR 5568257645 | BoardBoard of Directors | Since 2022 | — | Active |
| Viggen 1 Fastigheter AB CVR 5569751760 | BoardBoard of Directors | Since 2022 | — | Active |
| Erkdu Eriksdal AB CVR 5569939340 | BoardBoard of Directors | Since 2022 | — | Active |
| Erkdu Fader Bergström AB CVR 5590130133 | BoardBoard of Directors | Since 2022 | — | Active |
| Fastighets AB Stadens Dike 6 CVR 5590647284 | BoardBoard of Directors | Since 2022 | — | Active |
| Axelsberg Tornhuset AB CVR 5595279752 | BoardBoard of Directors | Since 2025 | — | Active |
| Erkdu Södermalm Holding AB CVR 5595689570 | BoardBoard of Directors | Since 2026 | — | Active |
| Erkdu nr 1 AB CVR 5595717223 | BoardBoard of Directors | Since 2026 | — | Active |
| Erkdu nr 2 AB CVR 5595717231 | BoardBoard of Directors | Since 2026 | — | Active |