| Hydria Fastigheter AB CVR 5560206095 | BoardBoard of Directors | Since 2021 | — | Active |
| Bevent Rasch AB CVR 5562868496 | BoardBoard of Directors | Since 2024 | — | Active |
| Hydria Group AB CVR 5563403863 | BoardBoard of Directors | Since 2020 | — | Active |
| Skogspartner Sverige AB CVR 5563915924 | BoardBoard of Directors | Since 2024 | — | Active |
| Hydria Water AB CVR 5564709326 | BoardBoard of Directors | Since 2024 | — | Active |
| Hydria Invest AB CVR 5564836558 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Otago Fastighets AB CVR 5567340962 | BoardBoard of Directors | Since 2021 | — | Active |
| Borås Öfwre Station AB CVR 5567359699 | BoardBoard of Directors | Since 2021 | — | Active |
| Tech Stn AB CVR 5567469977 | BoardBoard of Directors | Since 2024 | — | Active |
| Norra Ryds Fastighets AB CVR 5567480693 | BoardBoard of Directors | Since 2021 | — | Active |
| Vindtyget Viared Fastighets AB CVR 5567994230 | BoardBoard of Directors | Since 2021 | — | Active |
| Rasch Fastighets AB CVR 5568160971 | BoardBoard of Directors | Since 2021 | — | Active |
| Hydria Finans AB CVR 5568909252 | BoardBoard of Directors | Since 2024 | — | Active |