| Projekt bolaget RK AB CVR 5567950315 | BoardDeputy Board Member | Since 2025 | — | Active |
| Kulhan Investment AB CVR 5569093742 | BoardDeputy Board Member | Since 2025 | — | Active |
| Uttran Psykiatri AB CVR 5569261042 | BoardDeputy Board Member | Since 2025 | — | Active |
| VARVSVÄGEN 1 FASTIGHETSBOLAG AB CVR 5569684458 | BoardDeputy Board Member | Since 2022 | — | Active |
| R. Kulhan Fastigheter AB CVR 5569840019 | BoardBoard of Directors | Since 2022 | — | Active |
| Robert & KU Holding AB CVR 5569867624 | BoardDeputy Board Member | Since 2025 | — | Active |
| Sillen & Varvet AB CVR 5590127477 | BoardDeputy Board Member | Since 2025 | — | Active |
| Projektbolaget KS 2 AB CVR 5591247464 | BoardDeputy Board Member | Since 2025 | — | Active |
| Projektbolaget KS 3 AB CVR 5591247472 | BoardDeputy Board Member | Since 2025 | — | Active |
| Raphael Kulhan Holding AB CVR 5592148497 | BoardBoard of Directors | Since 2022 | — | Active |
| Jimmy Förvaltning Stockholm AB CVR 5592388853 | BoardBoard of Directors | Since 2024 | — | Dissolved |
| Laddboxgruppen Sverige AB CVR 5592654767 | BoardBoard of Directors | Since 2024 | — | Active |
| Ekolsund Projekt AB CVR 5593212292 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Kulhan Ekolsund AB CVR 5593532913 | BoardBoard of Directors | Since 2024 | — | Active |
| RK & SI Fastigheter AB CVR 5593655904 | BoardBoard of Directors | Since 2022 | — | Active |
| Fastighets AB Enstaberga CVR 5593785669 | BoardBoard of Directors | Since 2024 | — | Active |
| RM Foto AB CVR 5595175976 | BoardBoard of Directors | Since 2025 | — | Active |
| R. Kulhan Holding AB CVR 5595246553 | BoardBoard of Directors | Since 2025 | — | Active |
| Bostadsrättsföreningen Ekolsunds slottsäng CVR 7696414791 | OtherExternal Signatory | Since 2024 | — | Active |
| Bostadsrättsföreningen Ekolsunds slottspark CVR 7696415459 | OtherExternal Signatory | Since 2022 | — | Active |
