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| Qbranch Väst AB CVR 5562450451 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| B3 Init AB CVR 5564921640 | BoardBoard of Directors | Since 2021 | — | Active |
| B3 Consulting Göteborg AB CVR 5565610333 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Qbranch Syd AB CVR 5565887170 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| B3 Upphandling AB CVR 5565935698 | BoardBoard of Directors | Since 2024 | — | Active |
| B3 Complete AB CVR 5565972212 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| B3 Business Transformation AB CVR 5566387063 | BoardBoard of Directors | Since 2021 | — | Active |
| B3 Link AB CVR 5567284848 | BoardBoard of Directors | Since 2024 | — | Active |
| B3 Vibe AB CVR 5567734008 | BoardBoard of Directors | Since 2021 | — | Active |
| B3 Innovation AB CVR 5568156557 | BoardBoard of Directors | Since 2022 | — | Active |
| B3 Healthcare Consulting AB CVR 5568156565 | BoardBoard of Directors | Since 2024 | — | Active |
| B3 Commit AB CVR 5568473283 | BoardBoard of Directors | Since 2020 | — | Active |
| B3 Skilled AB CVR 5568640360 | BoardBoard of Directors | Since 2020 | — | Active |
| Rebel and Bird AB CVR 5568723851 | BoardBoard of Directors | Since 2025 | — | Active |
| B3 Summit AB CVR 5569370850 | BoardBoard of Directors | Since 2022 | — | Active |
| B3 CodeRight AB CVR 5569387458 | BoardBoard of Directors | Since 2023 | — | Active |
| B3 Reach Consulting AB CVR 5569533721 | BoardBoard of Directors | Since 2020 | — | Active |
| B3 Financial Consulting AB CVR 5590449590 | BoardBoard of Directors | Since 2024 | — | Active |
| Exordio AB CVR 5590469325 | BoardBoard of Directors | Since 2022 | — | Active |
| B3IT PV AB CVR 5590676978 | BoardBoard of Directors | Since 2024 | — | Active |
| B3 DBAce AB CVR 5590822598 | BoardBoard of Directors | Since 2021 | — | Active |
| B3 Digital Xperience AB CVR 5590822606 | BoardBoard of Directors | Since 2025 | — | Active |
| B3 Elevate Consulting AB CVR 5590921531 | BoardBoard of Directors | Since 2021 | — | Active |
| B3 Digital Worklife AB CVR 5591194153 | BoardBoard of Directors | Since 2021 | — | Active |
| B3 Cloud Services AB CVR 5591256440 | BoardBoard of Directors | Since 2020 | — | Active |
| B3 Networks AB CVR 5591367577 | BoardBoard of Directors | Since 2022 | — | Active |
| B3 Kodify AB CVR 5592329360 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| B3 Indes AB CVR 5592329386 | BoardBoard of Directors | Since 2021 | — | Active |
| B3 HealthTech AB CVR 5592995384 | BoardBoard of Directors | Since 2024 | — | Active |
| B3 Grit AB CVR 5593861288 | BoardBoard of Directors | Since 2022 | — | Active |
| B3 Elevate Group AB CVR 5594443920 | BoardBoard of Directors | Since 2024 | — | Active |
| B3 Engage AB CVR 5594637711 | BoardBoard of Directors | Since 2024 | — | Active |
| B3 Beyond AB CVR 5594637752 | BoardBoard of Directors | Since 2024 | — | Active |
| B3 Connect AB CVR 5594648114 | BoardBoard of Directors | Since 2024 | — | Active |
| B3 Next AB CVR 5595020677 | BoardBoard of Directors | Since 2024 | — | Active |
| Råda Exordio CVR 6007294892 | OtherStakeholder | Since 2022 | — | Active |