| Gills Konsult Aktiebolag CVR 5563239069 | BoardDeputy Board Member | Since 2023 | — | Dissolved |
| Pukeberg Belysning Aktiebolag CVR 5565333993 | BoardDeputy Board Member | Since 2019 | — | Dissolved |
| Zero AB CVR 5565365540 | BoardBoard of Directors | Since 2022 | — | Active |
| Pergil Aktiebolag CVR 5565472775 | BoardDeputy Board Member | Since 2023 | — | Dissolved |
| Thomasgil Aktiebolag CVR 5565472965 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Thomasgil Holding AB CVR 5566233390 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Pergil Holding AB CVR 5566233408 | BoardDeputy Board Member | Since 2023 | — | Dissolved |
| Zero Interiör AB CVR 5566423579 | BoardBoard of Directors | Since 2022 | — | Active |
| Pergill Invest AB CVR 5566738273 | BoardDeputy Board Member | Since 2019 | — | Dissolved |
| Thomasgill Invest AB CVR 5566738307 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Thomasgil Förvaltning AB CVR 5567164115 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Pergil Förvaltning AB CVR 5567166300 | BoardDeputy Board Member | Since 2019 | — | Dissolved |
| Thomas Gill CVR 6312123018 | OtherStakeholder | Since 2025 | — | Active |
| Bostadsrättsföreningen Koljan i Kalmar CVR 7696171797 | BoardBoard of Directors | Since 2022 | — | Active |
