| TT Projekt Holding AB CVR 5562784388 | BoardBoard of Directors | Since 2020 | — | Active |
| TT Invest AB CVR 5564745403 | BoardBoard of Directors | Since 2020 | — | Active |
| Hotel Hus Katrineholm Aktiebolag CVR 5565282042 | BoardBoard of Directors | Since 2020 | — | Active |
| Hotel Hus Sweden Aktiebolag CVR 5565718854 | BoardBoard of Directors | Since 2020 | — | Active |
| Hotel Statt i Katrineholm Aktiebolag CVR 5565729232 | BoardBoard of Directors | Since 2020 | — | Active |
| Stracon Utbildning AB CVR 5566187364 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Företagsforum Skandinavien AB CVR 5567032767 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Plus Katrineholm AB CVR 5567429310 | BoardBoard of Directors | Since 2020 | — | Active |
| Zeo Concept ECE AB CVR 5567790844 | BoardBoard of Directors | Since 2021 | — | Active |
| TT Service Solution AB CVR 5591046726 | BoardBoard of Directors | Since 2020 | — | Active |
| Thor Corporation AB CVR 5592592082 | BoardBoard of Directors | Since 2022 | — | Active |
| Zeowater International AB CVR 5593473696 | BoardBoard of Directors | Since 2022 | — | Active |
| Pin Point Solution AB CVR 5594080508 | BoardDeputy Board Member | Since 2022 | — | Active |
| Bostadsrättsföreningen Pionen, Katrineholm CVR 7696377576 | BoardBoard of Directors | Since 2022 | — | Active |