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Øystein Steiro
Øystein Steiro is a private shareholder with an estimated portfolio value of NOK 4.8m. Øystein Steiro holds stakes in 3 companies, and roles in several others.
Estimated portfolio value
NOK 4.8m
The sum of estimated values across all known holdings in Norwegian AS/ASA companies
Companies Øystein Steiro owns
| Company | Stake | Value (est.) |
|---|---|---|
| STEIRO HOLDING AS | 100.0% | NOK 4.4m |
| CASANOVA AS | 100.0% | NOK 372,000 |
| GREENAQUACARE AS | 3.0% | – |
Roles
Styrets leder
2 selskaper
STEIRO HOLDING AS
921095112
CASANOVA AS
925690112
Styremedlem
1 selskap
THE MARITIME FINANCE CLUB
922614946
Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register
Former roles
AMARANTOS AS
Forretningsfører resigned
ORIETS INVEST AS
Styrets leder resigned
Roles the person has resigned from, or that have been deregistered
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.