| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| SIEM SUSTAINABLE ENERGY S.À R.L CVR 833629352 | OtherContact Person | Since 2024 | — | Active |
| SORTINO CAPITAL AS CVR 925598224 | OtherContact Person | Since 2020 | — | Active |
| NRC GROUP ASA CVR 910686909 | OwnerLegal Owner | Since 2023 | 0.0% | Active |
| SIEM DAY AS CVR 920176232 | BoardChairman | Since 2025 | — | Active |
| SIEM OFFSHORE OSCV II AS CVR 926132326 | BoardChairman | Since 2020 | — | Active |
| SIEM SUSTAINABLE ENERGY ASA CVR 825552952 | BoardChairman | Since 2022 | — | Active |
| SIEM SHIPOWNING RORO AS CVR 826132272 | BoardChairman | Since 2020 | — | Active |
| SEVEN YIELD 7500 PCTC 1 AS CVR 917668191 | OtherContact Person | Since 2017 | — | Active |
| SIEM OIL SERVICE INVEST NORWAY AS CVR 918124942 | BoardChairman | Since 2025 | — | Active |
| SEVEN YIELD 7500 PCTC 2 AS CVR 918124993 | OtherContact Person | Since 2017 | — | Active |
| VÅR ENERGI ASA CVR 919160675 | OwnerLegal Owner | Since 2024 | 0.0% | Active |
| SIEM SHIPOWNING RORO INC. NUF CVR 926294997 | OtherContact Person | Since 2021 | — | Active |
| SSI SHIPOWNING I INC. NUF CVR 926295071 | BoardBoard of Directors | Since 2021 | — | Active |
| SIEM BULK INC. NUF CVR 926295128 | OtherContact Person | Since 2021 | — | Active |
| STAR REEFERS POOL INC. NUF CVR 926295144 | OtherContact Person | Since 2021 | — | Active |
| SIEM OFFSHORE AHTS AS CVR 930456497 | BoardChairman | Since 2025 | — | Active |
| SIEM DAY II AS CVR 930456705 | BoardChairman | Since 2025 | — | Active |
| SIEM OFFSHORE OSCV AS CVR 933363589 | BoardChairman | Since 2024 | — | Active |
| SIEM OFFSHORE SUPPLY AS CVR 933363708 | BoardChairman | Since 2024 | — | Active |
| SIEM OFFSHORE AS CVR 933465624 | BoardChairman | Since 2024 | — | Active |
| SIEM OFFSHORE PSV AS CVR 933466078 | BoardChairman | Since 2024 | — | Active |
| SIEM OFFSHORE PILOT AS CVR 933466701 | BoardChairman | Since 2024 | — | Active |
| REEFERS NORWAY AS CVR 933555259 | BoardChairman | Since 2024 | — | Active |
| SIEM OFFSHORE OPCO AS CVR 933590895 | BoardChairman | Since 2024 | — | Active |
| RAMME M AS CVR 934549341 | BoardChairman | Since 2024 | — | Active |
| RAMME L AS CVR 934549392 | BoardChairman | Since 2024 | — | Active |
| RAMME G AS CVR 934549538 | BoardChairman | Since 2024 | — | Active |
| SIEM KAPITAL AS CVR 966682426 | BoardChairman | Since 2019 | — | Active |
| SIEM SHIPPING NORWAY AS CVR 978644384 | BoardChairman | Since 2019 | — | Active |
| ELECTROMAGNETIC GEOSERVICES ASA CVR 984195486 | BoardBoard of Directors | Since 2025 | — | Active |
| SIEM CAR CARRIERS AS CVR 992876387 | BoardChairman | Since 2019 | — | Active |
| SIEM SHIPOWNING I NORWAY AS CVR 997090500 | BoardChairman | Since 2019 | — | Active |
| AURORA OFFSHORE AS CVR 927818795 | BoardBoard of Directors | Since 2025 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| RAMME DRIFT AS CVR 931605526 | BoardBoard of Directors | 2025 – 2025 | — | Active |
| LANGVEIS AS CVR 934549449 | BoardChairman | 2024 – 2025 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Chief Executive Officer | 1company | View profile |