| Castellum Stockholm AB CVR 5560028952 | BoardBoard of Directors | 2021 – 2021 | — | Active |
| Castellum Designvägen 1 AB CVR 5560073149 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sun Swedish Argongatan 32 AB CVR 5560153024 | BoardDeputy Board Member | 2021 – 2021 | — | Dissolved |
| Castellum Väst Alingsås AB CVR 5560220013 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Väst Fastighets AB CVR 5560392952 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Väst Borås AB CVR 5560510561 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Väst Hisingen AB CVR 5560520693 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Mitt AB CVR 5561219089 | BoardBoard of Directors | 2021 – 2021 | — | Active |
| Castellum Väst AB CVR 5561223768 | BoardBoard of Directors | 2021 – 2021 | — | Active |
| Castellum Lindholmskajen AB CVR 5561264176 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Säve Flygplatsdrift AB CVR 5561955823 | OtherExternal Signatory | 2020 – 2022 | — | Active |
| Castellum Högsbo 36:6 AB CVR 5563787919 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sun Swedish Kärra 80:6 AB CVR 5563992386 | BoardDeputy Board Member | 2021 – 2021 | — | Dissolved |
| Castellum Ålandsgatan 6 AB CVR 5564127206 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sun Swedish Väst Halmstad AB CVR 5564399201 | BoardDeputy Board Member | 2021 – 2022 | — | Dissolved |
| Castellum Högsbo 20:11 AB CVR 5564530201 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sun Swedish Kärra 78:12 AB CVR 5564606258 | BoardDeputy Board Member | 2021 – 2021 | — | Dissolved |
| Castellum Bäckagård Fastigheter AB CVR 5564616349 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Skårdal Fastighets AB CVR 5564645611 | BoardDeputy Board Member | 2021 – 2022 | — | Active |
| Castellum Sandsjöbacka Fastighets AB CVR 5564652674 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Högsbo Sisjön AB CVR 5564652831 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Aktiebolag CVR 5564755550 | ManagementChief Executive Officer | 2021 – 2021 | — | Active |
| Castellum Öresund AB CVR 5564767688 | BoardBoard of Directors | 2021 – 2021 | — | Active |
| Sun Swedish Kärra 78:8 AB CVR 5565135851 | BoardDeputy Board Member | 2020 – 2021 | — | Dissolved |
| Mileway Sunbeam Hökegården 1 AB CVR 5565505079 | BoardDeputy Board Member | 2020 – 2021 | — | Dissolved |
| WF United Spaces AB CVR 5565714051 | BoardBoard of Directors | 2021 – 2021 | — | Active |
| Castellum Norr AB CVR 5565943999 | BoardBoard of Directors | 2021 – 2021 | — | Dissolved |
| Castellum Lindholmspiren 1 AB CVR 5565946562 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Katrinedal Fastighets AB CVR 5565949814 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Gamlestaden 22:14 AB CVR 5566049150 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Nordstaden 2:16 AB CVR 5566049184 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Eklandia Förvaltnings AB CVR 5566049192 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Olskroken 35:7 AB CVR 5566062625 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Olskroken 35:9 AB CVR 5566062633 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Olskroken 35:14 AB CVR 5566063847 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Arendal 764:394 AB CVR 5566586508 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Hisingen 3 AB CVR 5566586516 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sun Swedish Arendal 764:130 AB CVR 5566605365 | BoardDeputy Board Member | 2021 – 2021 | — | Dissolved |
| Castellum Hisingen 7 AB CVR 5566607544 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| United Spaces Network Offices AB CVR 5566681069 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Helsinki Salmisaarenaukio 1 AB CVR 5566828520 | BoardBoard of Directors | 2021 – 2021 | — | Active |
| Castellum Väst Härryda AB CVR 5566942651 | OtherExternal Signatory | 2021 – 2022 | — | Dissolved |
| Castellum Högsbo 40:2 AB CVR 5566942784 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Högsbo 17:7 AB CVR 5566974985 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Majorna 163:1 AB CVR 5567086490 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Backa 107:4 AB CVR 5567086557 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Harry Sjögren Invest AB CVR 5567087050 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Väst Kungsbacka AB CVR 5567138143 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Backa 43 AB CVR 5567283360 | OtherExternal Signatory | 2021 – 2022 | — | Dissolved |
| Castellum Västra Borås Fastighets AB CVR 5567315097 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Backa 20:5 AB CVR 5567337869 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Lundbyvassen 3:1 AB CVR 5567428825 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Högsbo 9:3 AB CVR 5567452007 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Fastighets AB Fyllinge 20:409 CVR 5567465595 | BoardDeputy Board Member | 2020 – 2021 | — | Active |
| Härberget i Säve AB CVR 5567544548 | OtherExternal Signatory | 2020 – 2022 | — | Active |
| Eklandagatan Fastighets AB CVR 5567607048 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Sun Swedish Kärra 73:3 AB CVR 5567633366 | BoardDeputy Board Member | 2021 – 2021 | — | Dissolved |
| Castellum Kobbegården 152:1 AB CVR 5567737241 | OtherExternal Signatory | 2021 – 2022 | — | Dissolved |
| Säve Depå AB CVR 5567773022 | OtherExternal Signatory | 2020 – 2022 | — | Active |
| Building Green in Sweden AB CVR 5567977789 | BoardBoard of Directors | 2020 – 2020 | — | Active |
| Castellum Kärra 28:19 AB CVR 5568015134 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Lindholmen 28:3 AB CVR 5568015142 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Lindholmen 28:4 AB CVR 5568015167 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Trucken 5 AB CVR 5568134729 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Högsbo 13:3 AB CVR 5568134745 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Hinden 2 AB CVR 5568134752 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sun Swedish Kärra 72:36 AB CVR 5568207574 | BoardDeputy Board Member | 2021 – 2021 | — | Dissolved |
| Castellum Tingstadsvassen 14:7 AB CVR 5568207632 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Heden 16:5 AB CVR 5568207657 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| R6 Kärra 80:7 F AB CVR 5568225501 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sun Swedish Backa 27:43 AB CVR 5568259617 | BoardDeputy Board Member | 2021 – 2021 | — | Dissolved |
| Castellum Solsten 1:173 AB CVR 5568365372 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Solsten 1:172 AB CVR 5568403801 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Högsbo 7:16 AB CVR 5568457898 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Varla 3:34 AB CVR 5568457906 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Sannegården 52:1 AB CVR 5568493174 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Inom Vallgraven 19:17 AB CVR 5568493281 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Högsbo 38:9 AB CVR 5568556723 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Kobbegården 6:7 AB CVR 5568796980 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Intea Fanborgen AB CVR 5568796998 | BoardDeputy Board Member | 2021 – 2021 | — | Active |
| Sun Swedish Fanan Halmstad AB CVR 5568797004 | BoardDeputy Board Member | 2021 – 2022 | — | Dissolved |
| Castellum Inom Vallgraven 4:1 AB CVR 5568797020 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sun Swedish Backa 97:11 AB CVR 5568797038 | BoardDeputy Board Member | 2021 – 2021 | — | Dissolved |
| Sun Swedish Kärra 28:10 AB CVR 5568797046 | BoardDeputy Board Member | 2021 – 2021 | — | Dissolved |
| Castellum Lundbyvassen 8:3 AB CVR 5568948425 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Säve Entreprenad AB CVR 5569174518 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Sun Swedish Balltorp 1:223 AB CVR 5569257800 | BoardDeputy Board Member | 2021 – 2021 | — | Dissolved |
| Castellum Trucken 6 AB CVR 5569463911 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Sörred 7:23 AB CVR 5569794083 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Säve Flygplats Fastighet AB CVR 5590592316 | OtherExternal Signatory | 2020 – 2022 | — | Active |
| Nolvik Hotell & Konferens AB CVR 5590991989 | OtherExternal Signatory | 2020 – 2022 | — | Active |
| Castellum Innovation AB CVR 5591106538 | BoardBoard of Directors | 2021 – 2021 | — | Dissolved |
| Castellum Väst Projektutveckling AB CVR 5591120752 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Stenen 6 AB CVR 5591120778 | OtherExternal Signatory | 2021 – 2022 | — | Dissolved |
| Castellum Hisingen 42 AB CVR 5591184162 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Hisingen 41 AB CVR 5591184196 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Kålsered 1:108 AB CVR 5591184204 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Stenen 3 AB CVR 5591221592 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Beambox AB CVR 5591480636 | BoardBoard of Directors | 2021 – 2022 | — | Dissolved |
| Castellum Finland AB CVR 5591549828 | BoardBoard of Directors | 2021 – 2021 | — | Active |
| Säve Utveckling AB CVR 5591819189 | OtherExternal Signatory | 2020 – 2022 | — | Active |
| Castellum Säve Projektutveckling AB CVR 5592493430 | OtherExternal Signatory | 2021 – 2022 | — | Active |
| Castellum Projektutveckling AB CVR 5592528193 | BoardBoard of Directors | 2021 – 2021 | — | Active |
| Intea Fanan 65 AB CVR 5592828619 | BoardDeputy Board Member | 2021 – 2021 | — | Active |
| Castellum Fanan 49-51 AB CVR 5592828635 | OtherExternal Signatory | 2021 – 2022 | — | Dissolved |
| Intea Fanan 66 AB CVR 5592828643 | BoardDeputy Board Member | 2021 – 2021 | — | Active |