MAINMAST AS

Signals

1 flags

• ▼ Driftsunderskudd 2025 Siste driftsresultat er negativt (−4,4 mill kr).

MAINMAST AS is registered as a limited company in Oslo, Oslo with organisation number 928349217. The business is classified under other technical consultancy (NACE 71.129). The company was incorporated in 2021. Registered share capital is NOK 1.5m, divided into 1500000 shares. The company's stated purpose is: “Hel- eller deleierskap av annen virksomhet innen ulike bransjer som for eksempel energi, aquakultur, bygg og anlegg, regnskap, samt annet som faller sammen med overstående, herunder å delta i andre selskaper med lignende virksomhet, kjøp og salg av aksjer, eller på annen måte gjøre seg interessert i andre foretagender.”.

Key figures · 2025

Operating profit

NOK −4.4m

▼ −1340 %

Equity

NOK 5.3m

▼ −48 %

Est. value

NOK 8.6m

Financial health · 2025

Liquidity

1.44

Satisfactory

Current assets ÷ current liabilities

Profitability

-45.6%

Not satisfactory

Return on total assets

Solidity

66.9%

Very good

Equity as a share of total capital

Who owns MAINMAST AS?

HAVIS AS Org. no. 928795799

25.0%

TIGHT HOLDING AS Org. no. 990587256

25.0%

PES: AS Org. no. 921789602

25.0%

RADIX AS Org. no. 928962679

25.0%

MAINMAST AS

· NOK −4.4m profit

MAINMAST AS has 4 registered shareholders:

• HAVIS AS 25.0%
• TIGHT HOLDING AS 25.0%
• PES: AS 25.0%
• RADIX AS 25.0%

All shareholders and roles →

Which companies does MAINMAST AS own?

MAINMAST AS holds stakes in 3 companies:

• HAVKONSULT AS 100.0%
• OCEANS5 GROUP AS 51.0%
• FISHENCY INNOVATION AS 0.4%

See the full ownership structure →

Frequently asked questions about MAINMAST AS

Who owns MAINMAST AS?

HAVIS AS is the largest registered owner, with 25.0%.

Where is MAINMAST AS based?

MAINMAST AS has its business address in Oslo.

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.