OSV SIVERTSEN AS
OSV SIVERTSEN AS is registered as a limited company in Stavanger, Rogaland with organisation number 937298056. The business is classified under plumbing installation (NACE 43.221). The company was incorporated in 1985 and has 35 registered employees. Registered share capital is NOK 402,000, divided into 1340 shares. The company's stated purpose is: “Rørlegger/handelsvirksomhet og hva dermed står i forbindelse, herunder å delta i andre selskaper med lignende virksomhet.”. The most recent filed accounts, for the 2025 financial year, show NOK 71.9m in revenue and NOK 8.6m in operating profit.
Key figures · 2025
Financial health · 2025
Who owns OSV SIVERTSEN AS?
OSV SIVERTSEN AS has 4 registered shareholders:
- ARNE SIVERTSEN INVEST AS 40.0%
- SVEIN SIVERTSEN INVESTERING AS 40.0%
- MELAND INVESTERING AS 10.0%
- FERNBLAD INVESTERING AS 10.0%
Which companies does OSV SIVERTSEN AS own?
OSV SIVERTSEN AS holds stakes in 2 companies:
See the full ownership structure →Frequently asked questions about OSV SIVERTSEN AS
Who owns OSV SIVERTSEN AS?
ARNE SIVERTSEN INVEST AS is the largest registered owner, with 40.0%.
What is the revenue of OSV SIVERTSEN AS?
OSV SIVERTSEN AS had revenue of NOK 71.9m in 2025.
Who is the general manager of OSV SIVERTSEN AS?
Mats Hatling Fernblad is registered as general manager of OSV SIVERTSEN AS.
Where is OSV SIVERTSEN AS based?
OSV SIVERTSEN AS has its business address in Stavanger.
Property
7 companies are registered at this address.
The address this company is registered at, from the company register and matched against the cadastre. It does not say who owns the property — a company may be a tenant, and the address is often its accountant's. Source: Brønnøysundregistrene and © Kartverket.
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.