| Tass AB CVR 5565135729 | BoardBoard of Directors | Since 2022 | — | Active |
| LB Invest Skåne AB CVR 5567347371 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| LB07 Support AB CVR 5567766968 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Dahlqvist Klimatteknik AB CVR 5568076037 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| LED-Giganten i Malmö AB CVR 5568226137 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Nida Tech Sweden AB CVR 5569013294 | BoardBoard of Directors | Since 2024 | — | Active |
| Wittra Sales AB CVR 5569320970 | BoardDeputy Board Member | Since 2025 | — | Active |
| Wittra Networks AB CVR 5569320988 | BoardBoard of Directors | Since 2020 | — | Active |
| Reklambolaget Rapp AB CVR 5569527673 | BoardBoard of Directors | Since 2022 | — | Active |
| VS Gruppen Syd AB CVR 5590522800 | BoardBoard of Directors | Since 2022 | — | Active |
| PETOSK Investment AB CVR 5590686753 | BoardBoard of Directors | Since 2022 | — | Active |
| WN Intressenter AB CVR 5591294771 | BoardBoard of Directors | Since 2025 | — | Active |
| VSG Service Syd AB CVR 5592622632 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Tass Silver Holding AB CVR 5592632839 | BoardBoard of Directors | Since 2022 | — | Active |
| Tassco Invest AB CVR 5593775041 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Tassco Gruppen AB CVR 5593854820 | BoardBoard of Directors | Since 2022 | — | Active |