SEA1 OFFSHORE REDERI AS
SEA1 OFFSHORE REDERI AS is registered as a limited company in Kristiansand, Agder with organisation number 931402900. The business is classified under other support activities for petroleum and natural gas extraction (NACE 09.109). The company was incorporated in 1854. Registered share capital is NOK 35.9m, divided into 8986422 shares. The company's stated purpose is: “Drift av og eierskap av offshore fartøyer, shippingvirksomhet, entreprenørvirksomhet, samt hva står i forbindelse med de nevnte aktivitets- områder, herunder deltakelse i andre selskaper gjennom eierskap, lån eller lignende engasjement.”. The most recent filed accounts, for the 2025 financial year, show USD 147.8m in revenue and USD 93.9m in operating profit.
Former names: Det Søndenfjelds-Norske Dampskibsselskab ASA, DSND SUBSEA ASA, DSND SUBSEA AS, SIEM OFFSHORE AS, SIEM OFFSHORE REDERI AS
This company reports in USD. The figures below are as filed, not converted to kroner. The top lists convert them to NOK at Norges Bank's rate for the end of the accounting year.
Key figures · 2025
Financial health · 2025
Who owns SEA1 OFFSHORE REDERI AS?
SEA1 OFFSHORE REDERI AS has 1 registered shareholder:
- SEA1 OFFSHORE INC. 100.0%
Group structure
SEA1 OFFSHORE REDERI AS er morselskap for 1 datterselskap:
Frequently asked questions about SEA1 OFFSHORE REDERI AS
Who owns SEA1 OFFSHORE REDERI AS?
SEA1 OFFSHORE INC. is the largest registered owner, with 100.0%.
What is the revenue of SEA1 OFFSHORE REDERI AS?
SEA1 OFFSHORE REDERI AS had revenue of USD 147.8m in 2025.
Who is the general manager of SEA1 OFFSHORE REDERI AS?
Bernt Magne Omdal is registered as general manager of SEA1 OFFSHORE REDERI AS.
Where is SEA1 OFFSHORE REDERI AS based?
SEA1 OFFSHORE REDERI AS has its business address in Kristiansand S.
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.