Johan Jørgen Holst holds 46 active roles in Norwegian companies registered in Brønnøysundregistrene, including Chairman at BYGGMONTASJE AS since 2026 and Chairman at TASTARUSTÅ BYUTVIKLING AS since 2026. 9 earlier roles have ended, the most recent in 2024.
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| VOKSENKOLLVEIEN FORTAU AS CVR 927428180 | BoardChairman | Since 2021 | — | Active |
| BYGGMONTASJE AS CVR 919580607 | BoardChairman | Since 2026 | — | Active |
| MESTERGRUPPEN NÆRINGSEIENDOM AS CVR 918323597 | ManagementChief Executive Officer | Since 2021 | — | Active |
| MESTERGRUPPEN TOMTEUTVIKLING HAFJELL AS CVR 928651606 | BoardChairman | Since 2023 | — | Active |
| JSØ UTVIKLING AS CVR 924953195 | BoardChairman | Since 2023 | — | Active |
| RUSÅNES FABRIKKER AS CVR 928759393 | BoardChairman | Since 2024 | — | Active |
| HAAKON VII'S GATE 15 / 17 AS CVR 872410732 | BoardChairman | Since 2021 | — | Active |
| MG NÆRING ØST AS CVR 921493185 | BoardChairman | Since 2021 | — | Active |
| TOSTEMMEN UTBYGGING AS CVR 911770873 | BoardBoard of Directors | Since 2025 | — | Active |
| BJØRSTAD UTVIKLING AS CVR 928105164 | BoardChairman | Since 2024 | — | Active |
| MESTERGRUPPEN ENTREPRENØR AS CVR 987345632 | BoardChairman | Since 2024 | — | Active |
| HØGÅSEN TOMTEUTVIKLING AS CVR 911674955 | BoardChairman | Since 2021 | — | Active |
| BRÅTEJORDET TOMTESELSKAP AS CVR 998164915 | BoardBoard of Directors | Since 2021 | — | Active |
| MG NÆRING RUGTVEDT AS CVR 994827189 | BoardChairman | Since 2022 | — | Active |
| HOLST EIENDOM AS CVR 929416430 | BoardChairman | Since 2022 | — | Active |
| MG EIENDOM TOMTEBANK AS CVR 931315153 | BoardChairman | Since 2023 | — | Active |
| MG NÆRING RUSÅNES AS CVR 932581248 | BoardChairman | Since 2023 | — | Active |
| VARDEGRENDA FRITIDSUTLEIE AS CVR 932169819 | BoardChairman | Since 2023 | — | Active |
| HUSJORDET AS CVR 988623091 | BoardChairman | Since 2021 | — | Active |
| SANDBAKKEN AS CVR 931314963 | BoardChairman | Since 2023 | — | Active |
| MGE BP 1 AS CVR 933224953 | BoardChairman | Since 2024 | — | Active |
| BUKKESPRANGET HYTTEFORENING CVR 932017326 | BoardBoard of Directors | Since 2026 | — | Active |
| GAMLE ISEVEI EIENDOM AS CVR 998934117 | BoardChairman | Since 2021 | — | Active |
| ENGELSRUD HAGEBY AS CVR 931314920 | BoardChairman | Since 2023 | — | Active |
| PULS EIENDOM AS CVR 984097077 | BoardChairman | Since 2022 | — | Active |
| MESTERGRUPPEN PRODUKSJON AS CVR 928192024 | BoardChairman | Since 2024 | — | Active |
| MG NÆRING FLORØ AS CVR 990930929 | BoardChairman | Since 2021 | — | Active |
| TASTARUSTÅ BYUTVIKLING AS CVR 989291629 | BoardChairman | Since 2026 | — | Active |
| SPORAFJELL HOLDING AS CVR 999667112 | BoardChairman | Since 2021 | — | Active |
| MG NÆRING FREKHAUG AS CVR 922122350 | BoardChairman | Since 2022 | — | Active |
| FJORD OG FJELLHYTTER AS CVR 897465302 | BoardChairman | Since 2023 | — | Active |
| MESTERGRUPPEN EIENDOM AS CVR 974451204 | ManagementChief Executive Officer | Since 2021 | — | Active |
| MG NÆRING FOSS EIKELAND AS CVR 922600260 | BoardChairman | Since 2023 | — | Active |
| HØYMYRÅSEN AS CVR 919413921 | BoardChairman | Since 2022 | — | Active |
| SIRISKJÆR UTBYGGING AS CVR 889506652 | BoardChairman | Since 2021 | — | Active |
| KOLLTVEIT AS CVR 931315072 | BoardChairman | Since 2023 | — | Active |
| HAFRSBY AS CVR 913261569 | BoardBoard of Directors | Since 2022 | — | Active |
| HAUGLANDSØY FRITID AS CVR 912172538 | BoardChairman | Since 2021 | — | Active |
| PARTNER TRE INVEST AS CVR 990732175 | BoardChairman | Since 2021 | — | Active |
| SALTDALSHYTTA AS CVR 991729321 | BoardChairman | Since 2024 | — | Active |
| MG NÆRING GAUSDAL AS CVR 992746475 | BoardChairman | Since 2021 | — | Active |
| SPORAFJELL UTVIKLINGSSELSKAP AS CVR 999330169 | BoardChairman | Since 2021 | — | Active |
| MESTERGRUPPEN TOMTEUTVIKLING AS CVR 812027972 | BoardChairman | Since 2023 | — | Active |
| VOKSENKOLLEN UTVIKLING AS CVR 814344312 | BoardChairman | Since 2021 | — | Active |
| GARDÅGRENDA FRITIDSUTLEIE AS CVR 932169878 | BoardChairman | Since 2023 | — | Active |
| MADLA BYUTVIKLING AS CVR 992010339 | BoardChairman | Since 2025 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| GARANTI AS CVR 911852314 | BoardBoard of Directors | 2019 – 2021 | — | Active |
| MG NÆRING KRISTIANSAND AS CVR 996253538 | OtherContact Person | 2021 – 2024 | — | Active |
| KRØGENESÅSEN AS CVR 831315032 | OtherContact Person | 2023 – 2023 | — | Active |
| GJETTUM BOLIG AS CVR 999064469 | ManagementChief Executive Officer | 2019 – 2021 | — | Active |
| TRIADEN EIENDOM AS CVR 992097795 | BoardBoard of Directors | 2017 – 2021 | — | Active |
| GJETTUM NÆRSENTER AS CVR 918466665 | ManagementChief Executive Officer | 2019 – 2021 | — | Active |
| LØRENSKOG NÆRINGSBYGG AS CVR 990951632 | ManagementChief Executive Officer | 2008 – 2021 | — | Active |
| MORBERGTOPPEN BOLIGUTVIKLING AS CVR 914386462 | BoardChairman | 2019 – 2021 | — | Active |
| BERGENSGATA UTVIKLING AS CVR 925835641 | BoardBoard of Directors | 2019 – 2021 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 1company | View profile | |
| Trustee | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Chief Executive Officer | 1company | View profile | |
| Board of Directors | 1company | View profile |
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