HALFDAN AS
HALFDAN AS is registered as a limited company in Oslo, Oslo with organisation number 933714217. The business is classified under rental and operating of own or leased real estate (NACE 68.200). The company was incorporated in 1973. Registered share capital is NOK 900,000, divided into 18000 shares. The company's stated purpose is: “Å interessere seg som aksjonær eller på andre måter i selskaper, herunder deltakelse i shippingvirksomhet, samt agenturvirksomhet og handel, herunder kjøp og salg av fast eiendom og malerier og andre kunstgjenstander.”. The most recent filed accounts, for the 2025 financial year, show NOK 514,000 in revenue and NOK 204,000 in operating profit.
Former names: AS NAUTILUS
Key figures · 2025
Financial health · 2025
Who owns HALFDAN AS?
HALFDAN AS has 4 registered shareholders:
- HALFDAN INVEST II AS 27.8%
- SOPHIE MUSTAD AS 27.8%
- HALFDAN INVEST III AS 27.8%
- HALFDAN MUSTAD 16.7%
Which companies does HALFDAN AS own?
HALFDAN AS holds stakes in 9 companies:
- EIENDOMSSELSKAPET VEST-SVERIGE AS 3.0%
- FRIDA AUERBACH AS 2.3%
- OAK BULK AS 1.8%
- FREYA AUERBACH AS 1.5%
- ATLANTICA TRADER AS 1.5%
- ATLANTICA SERVER AS 1.4%
- NJORD BAY AS 1.0%
- PRE CHINA PRIVATE EQUITY II AS 0.2%
- FO PRIVATE EQUITY 2011 AS 0.1%
Frequently asked questions about HALFDAN AS
Who owns HALFDAN AS?
HALFDAN INVEST II AS is the largest registered owner, with 27.8%.
What is the revenue of HALFDAN AS?
HALFDAN AS had revenue of NOK 514,000 in 2025.
Where is HALFDAN AS based?
HALFDAN AS has its business address in Oslo.
Property
4 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.