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HH-Järnström Oy
OY
Active
Y-tunnus 2527816-4
Kavolinkatu 1A-111, 37100
Nokia
Plumbing, heat and air-conditioning installation
·
NACE 4322
Est. 2013 · 13 years old
1 employees
Share
Finland
/
Companies
/
Plumbing, heat and air-conditioning installation
/
HH-Järnström Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (2)
JJ
Johan Joakim Artur Järnström
Deputy Member
Deputy Member
2019
SO
Sebastian Ole Rafael Järnström
Chief Executive Officer
Chief Executive Officer
2013
Former (1)
LH
Liisa Hannele Järnström
Deputy Member
Deputy Member
2013 – 2019
Board of directors
Non-executive oversight
Name
Role
Member since
Current (1)
SO
Sebastian Ole Rafael Järnström
Board of Directors
Board of Directors
2013
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 HH-Järnström Oy
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Revenue, EBITDA, balance sheet and 5-year trend
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Corporate hierarchy, parent and subsidiary network