ONSITE TREATMENT SERVICES AS
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ONSITE TREATMENT SERVICES AS is registered as a limited company in Sola, Rogaland with organisation number 982943027. The business is classified under other support activities for petroleum and natural gas extraction (NACE 09.109). The company was incorporated in 2001 and has 34 registered employees. Registered share capital is NOK 2.0m, divided into 2000 shares. The company's stated purpose is: “Salg, utleie og reparasjoner av utstyr samt hva hermed står i forbindelse, herunder delta i andre selskaper med lignende virksomhet. ”. The most recent filed accounts, for the 2025 financial year, show NOK 112.4m in revenue and NOK 10.9m in operating profit.
Former names: OFFSHORE TECHNICAL SERVICES AS
Key figures · 2025
Financial health · 2025
Who owns ONSITE TREATMENT SERVICES AS?
ONSITE TREATMENT SERVICES AS has 7 registered shareholders:
- A R INCORONATO AS 60.2%
- LEIF EGIL SOLEM 11.1%
- TEAM HAGEN INVEST AS 11.1%
- MORTEN REFVEM 5.6%
- KILLINGSTONE AS 5.3%
- OJ INVEST AS 4.4%
- KFA INVEST AS 2.2%
Which companies does ONSITE TREATMENT SERVICES AS own?
ONSITE TREATMENT SERVICES AS holds a stake in 1 company:
See the full ownership structure →Frequently asked questions about ONSITE TREATMENT SERVICES AS
Who owns ONSITE TREATMENT SERVICES AS?
A R INCORONATO AS is the largest registered owner, with 60.2%.
What is the revenue of ONSITE TREATMENT SERVICES AS?
ONSITE TREATMENT SERVICES AS had revenue of NOK 112.4m in 2025.
Who is the general manager of ONSITE TREATMENT SERVICES AS?
Øyvind Jensen is registered as general manager of ONSITE TREATMENT SERVICES AS.
Where is ONSITE TREATMENT SERVICES AS based?
ONSITE TREATMENT SERVICES AS has its business address in Tananger.
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.