| Frentab Återvinning Aktiebolag CVR 5564981487 | BoardBoard of Directors | Since 2022 | — | Active |
| Fastighetsaktiebolaget Ösby 1:92 CVR 5565324554 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Fastighet 2 AB CVR 5565376216 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Entreprenad AB CVR 5567221220 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab AB CVR 5567766133 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Frentab Maskin AB CVR 5567902449 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Fastighetsutveckling AB CVR 5568465875 | BoardBoard of Directors | Since 2022 | — | Active |
| Maskinexport Fastighets Värmdö AB CVR 5590113253 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Ösby 3 AB CVR 5591034151 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Ösby 2 AB CVR 5591034169 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Ösby 1 AB CVR 5591034177 | BoardBoard of Directors | Since 2022 | — | Active |
| Fastighets AB Ösby 1:81 CVR 5591034219 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Ösby 4 AB CVR 5591034227 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab AB CVR 5591353536 | BoardBoard of Directors | Since 2022 | — | Active |
| Kil Företagspark AB CVR 5591615462 | BoardDeputy Board Member | Since 2022 | — | Active |
| Frentab Fastighet 1 AB CVR 5591785950 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Fastighet Holding AB CVR 5592113236 | BoardBoard of Directors | Since 2021 | — | Active |
| Frentab Vallbo AB CVR 5592518566 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Snättringe Holding AB CVR 5592803190 | BoardDeputy Board Member | Since 2022 | — | Active |
| Frentab Odlingsvägen AB CVR 5592809957 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Gustavsberg Holding AB CVR 5592809965 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Uthyrning Holding AB CVR 5593442881 | BoardBoard of Directors | Since 2022 | — | Active |
| Strike Stockholm AB CVR 5593545733 | BoardBoard of Directors | Since 2022 | — | Active |
| Fisksätra Företagspark AB CVR 5593793598 | BoardDeputy Board Member | Since 2022 | — | Active |
| Frentab Fastigheter AB CVR 5594099664 | BoardBoard of Directors | Since 2022 | — | Active |
| Frentab Fastighet Holding JV AB CVR 5595308122 | BoardBoard of Directors | Since 2025 | — | Active |
| Frentab Fastighet Holding JV 1 AB CVR 5595308130 | BoardBoard of Directors | Since 2025 | — | Active |
| Bostadsrättsföreningen Ösby 1 i Gustavsberg CVR 7696339014 | BoardBoard of Directors | Since 2022 | — | Active |
| Bostadsrättsföreningen Ösby 3 i Gustavsberg CVR 7696339139 | BoardBoard of Directors | Since 2022 | — | Active |
| Bostadsrättsföreningen Ösby 2 i Gustavsberg CVR 7696339147 | BoardBoard of Directors | Since 2022 | — | Active |