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ØYSTOR HOLDING AS
AS
Active
Org 937386621
Sømveien 25C, 0493
Oslo
Economic activity was not specified by tax authority
· NACE 0000
Est. 2026
— employees
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ØYSTOR HOLDING AS
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
OD
Oliver Dalen Tønnesen
Chief Executive Officer
Chief Executive Officer
2026
Board of directors
Non-executive oversight
Name
Role
Member since
Current (3)
GT
Georg Torstveit
Chairman
2026
SN
Simon Nikolaj Eklund
Chairman
2026
SØ
Siv Øystese
Board of Directors
2026
Shareholders
As of last annual report
No shareholder data available.
Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive.
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More on ØYSTOR HOLDING AS
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Headline figures, risk assessment and company summary
Financials & key figures →
Revenue, EBITDA, balance sheet and 5-year trend
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Corporate hierarchy, parent and subsidiary network