| Aktiebolaget Tranås Tandvårdsteam CVR 5562483619 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Tandläkare Claes Östberg Aktiebolag CVR 5564025806 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Dental Kompaniet Skandinavien AB CVR 5565038378 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Garantitandvården i Östersund AB CVR 5565134748 | BoardBoard of Directors | Since 2025 | — | Dissolved |
| Colosseum Smile AB CVR 5566892864 | BoardBoard of Directors | Since 2020 | — | Active |
| Korpkulla Tandläkarmottagning AB CVR 5566940713 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Brommatandläkarna AB CVR 5567043525 | BoardBoard of Directors | Since 2024 | — | Dissolved |
| Curera Tandklinik i Göteborg AB CVR 5567310510 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Tandmakarna Ljunggren AB CVR 5569119455 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Smile Art AB CVR 5569340598 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| SMAJLA Dental AB CVR 5569437006 | BoardBoard of Directors | Since 2020 | — | Active |
| Tandläkare Karin Hjalmarsson AB CVR 5569828444 | BoardBoard of Directors | Since 2025 | — | Dissolved |
| Hässleholms tandläkargrupp AB CVR 5569849804 | BoardBoard of Directors | Since 2025 | — | Dissolved |
| ODIS-SG AB CVR 5590203385 | BoardBoard of Directors | Since 2022 | — | Active |
| Tandläkarna Markgren Tandvård AB CVR 5590204839 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| COLOSSEUM SMILE TILLVÄXT AB CVR 5590466446 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Masbs AB CVR 5591099998 | BoardBoard of Directors | Since 2022 | — | Active |
| J Larsson Handel&Konsult AB CVR 5591133086 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Henningsons Tandkompani AB CVR 5591252001 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Hertig Johans Tandvård AB CVR 5591267751 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Tandläkare Katrin Onno AB CVR 5591320980 | BoardBoard of Directors | Since 2025 | — | Dissolved |
| Anders Wallin Fastighets AB CVR 5591509095 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Tandläkare Mats Höglund Praktik AB CVR 5591516330 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| AB Vasastans Tandläkargrupp CVR 5591933790 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Colosseum Specialisttandvård AB CVR 5592057052 | BoardBoard of Directors | Since 2022 | — | Active |
| Tandläkare Gunnar Jansson Praktik AB CVR 5592239916 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Tandvärnet 2.0 AB CVR 5592331135 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Tandläkare Josefine Hjalmarsson AB CVR 5592438104 | BoardBoard of Directors | Since 2025 | — | Dissolved |
| Colosseum Smile Fastigheter AB CVR 5592614845 | BoardBoard of Directors | Since 2022 | — | Active |
| Block Störner AB CVR 5592696925 | BoardBoard of Directors | Since 2025 | — | Dissolved |
| Tandläkeriet i Mariestad AB CVR 5592783749 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| GL1 Tandläkare AB CVR 5593180705 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Victoria Alexandra Viding AB CVR 5593252710 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Ivonne Dental AB CVR 5593465643 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| TRAM.Dental AB CVR 5593493918 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| P. Malmberg Tandvård AB CVR 5593515785 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Mariakliniken Strängnäs AB CVR 5595377473 | BoardBoard of Directors | Since 2025 | — | Dissolved |
| Colosseum Smile Kommanditbolag CVR 9697902154 | OtherExternal Signatory | Since 2022 | — | Active |
| Colosseum Specialisttandvård Kommanditbolag CVR 9697903079 | OtherExternal Signatory | Since 2022 | — | Active |
