| John Mattson Fastighets Aktiebolag CVR 5560566977 | BoardBoard of Directors | 2020 – 2023 | — | Active |
| John Mattson Tomt AB CVR 5560776253 | BoardBoard of Directors | 2020 – 2023 | — | Active |
| Kista Factory AB CVR 5566784129 | BoardBoard of Directors | 2022 – 2022 | — | Dissolved |
| BTCS Fastighetsinvest 4 AB CVR 5567375513 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| Verkhuset AB CVR 5567424626 | BoardBoard of Directors | 2022 – 2022 | — | Dissolved |
| Cod Mid HoldCo AB CVR 5569876807 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| Cod Acquisitions 1 AB CVR 5569876823 | BoardBoard of Directors | 2022 – 2022 | — | Dissolved |
| Cod Holdco 1 AB CVR 5569876831 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| Cod Acquisitions 2 AB CVR 5569876856 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| Cod Holdco 2 AB CVR 5569891392 | BoardBoard of Directors | 2022 – 2022 | — | Dissolved |
| John Mattson Rotebro och Rotsunda AB CVR 5590872478 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| John Mattson Häggvik och Tureberg AB CVR 5590872494 | BoardBoard of Directors | 2021 – 2023 | — | Active |
| NHP Trav AB CVR 5590961123 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| John Mattson Käppala AB CVR 5591617500 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| Fastighetsaktiebolaget H-rup CVR 5591671515 | BoardBoard of Directors | 2020 – 2020 | — | Active |
| Kopparverkstaden Fastighets AB CVR 5591897789 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| John Mattson Hjälpslaktaren 1 AB CVR 5592180086 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| John Mattson Hjälpslaktaren 8 AB CVR 5592180094 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| John Mattson Hjälpslaktaren 2 AB CVR 5592180102 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| John Mattson Sollentuna Holding AB CVR 5592296619 | BoardBoard of Directors | 2020 – 2020 | — | Dissolved |
| John Mattson Stockholm Holding AB CVR 5592513286 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| John Mattson Sicklaön AB CVR 5593054926 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| John Mattson Väsby Holding AB CVR 5593141376 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| John Mattson Sollentuna Holding AB CVR 5593148264 | BoardBoard of Directors | 2021 – 2022 | — | Dissolved |
| John Mattson Gullmarsplan Holding AB CVR 5593449472 | BoardBoard of Directors | 2022 – 2022 | — | Dissolved |
