| Proton Industries AB CVR 5560721713 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| SYSteam E Aktiebolag CVR 5562111988 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| SYSteam Kalmar Aktiebolag CVR 5563238277 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| Proton AB CVR 5563725760 | BoardBoard of Directors | Siden 2021 | — | Opløst |
| EVRY One Falkenberg AB CVR 5564255999 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| SYSteam Sjuhärad AB CVR 5564273430 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| Proton Group AB CVR 5564558772 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| SYSteam Management Consulting Aktiebolag CVR 5564637881 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| SYSteam MS Solutions Växjö Aktiebolag CVR 5565009262 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| SYSteam Skaraborg Aktiebolag CVR 5565264834 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| SYSteam Öst Aktiebolag CVR 5565559035 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| SYSteam Öresund AB CVR 5565705935 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| SYSteam MS Solutions Öresund AB CVR 5566205976 | BoardBoard of Directors | Siden 2019 | — | Opløst |
| Aperit AB CVR 5569654923 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| Prästgårdens Invest CVR 7401132431 | OtherStakeholder | Siden 2013 | — | Aktiv |
