Supply and other sea transport offshore services
SIEM OFFSHORE AS
Operating profit
NOK −1.8m
Equity
NOK 285.7m
Incorporated
2024
Share capital
NOK 4.0m
Roles
Revisor
Styrets lederGlenn Pettersen
StyremedlemArne Johannes Andersen
Auditor
Auditor at related companies
None of the 2 related companies use the same auditor.
| Company | Auditor | |
|---|---|---|
| SIEM OFFSHORE OPCO AS | ERNST & YOUNG AS | different |
| SIEM OFFSHORE PSV AS | ERNST & YOUNG AS | different |
Shareholders
| Name | Stake | Shares | Year |
|---|---|---|---|
| MOMENTUM SRL | 100.0% | 1000.000000 | 2025 |
Holdings in other companies
| Company | Status | Stake | Shares |
|---|---|---|---|
| SIEM DAY II AS | Active | 100.0% | 2000.000000 |
| SIEM OFFSHORE AHTS AS | Active | 100.0% | 2000.000000 |
| SIEM OFFSHORE OSCV AS | Active | 100.0% | 1000.000000 |
| SIEM OFFSHORE SUPPLY AS | Active | 100.0% | 1000.000000 |
| SIEM OFFSHORE PSV AS | Active | 100.0% | 1000.000000 |
| SIEM OFFSHORE PILOT AS | Active | 100.0% | 1000.000000 |
| SIEM OFFSHORE OPCO AS | Active | 100.0% | 1000.000000 |
| SIEM DAY AS | Active | 100.0% | 58300.000000 |
| AURORA OFFSHORE AS | Active | 40.0% | 400.000000 |
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.