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Siva Herøya AS
AS
Active
Org 961599466
Professor Brochs Gate 14, 7030
Trondheim
Rental and operating of own or leased real estate
·
NACE 6820
Est. 1991 · 35 years old
0 employees
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Rental and operating of own or leased real estate
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Siva Herøya AS
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Former (1)
GK
Geir Køning Reiersen
Chief Executive Officer
Chief Executive Officer
2019 – 2022
Board of directors
Non-executive oversight
Name
Role
Member since
Current (3)
BD
Bernt-Rune Dahle Berntsen
Chairman
Chairman
2022
NR
Ninni Roll Heirung
Board of Directors
Board of Directors
2025
PW
Per Wold
Board of Directors
Board of Directors
2024
Former (4)
IM
Ingunn Marie Mathisen
Chairman
Chairman
2022 – 2022
OH
Ole Henrik Lia
Board of Directors
Board of Directors
2022 – 2024
MU
Maria Ulstad
Board of Directors
Shareholders
As of last annual report
Siva Eiendom Holding As — 88%
Porsgrunn Utvikling As — 12%
100%
Shareholder
Type
Ownership
Votes
Since
Siva Eiendom Holding As
Company
88%
88%
2025
Porsgrunn Utvikling As
Company
12%
12%
2025
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 Siva Herøya 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
Board of Directors
2023 – 2025
OR
Ove Rød Henriksen
Board of Directors
Board of Directors
2019 – 2022