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Steel Master Marine Oy
OY
Active
Y-tunnus 2622318-1
Opintie 30, 23100
Mynämäki
Manufacture of metal structures and parts of structures
· NACE 2511
Est. 2014
22 employees
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Steel Master Marine Oy
Overview
Financials
People & ownership
Related companies
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (2)
TT
Tuomas Tapio Tuominen
Chief Executive Officer
Chief Executive Officer
2018
ET
Esa-Tapio Tuominen
Deputy Chief Executive Officer
Deputy Chief Executive Officer
2018
Former (3)
RO
Rauno Olavi Mikael Satopää
Audit
Audit
2014 – 2024
IO
Iiro Oskar Olavi Hollmén
Administrator in restructuring
Administrator in restructuring
2019 – 2020
AS
Antero Sakari Korte
Deputy auditor
Deputy auditor
2014 – 2024
Board of directors
Non-executive oversight
Name
Role
Member since
Current (2)
MT
Matias Tapio Tuominen
Board of Directors
2014
MT
Markus Tapio Tuominen
Board of Directors
2014
Shareholders
As of last annual report
Shareholder
Type
Ownership
Votes
Since
Steel Master Finland Oy
Company
91%
91%
2023
Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive.
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Corporate hierarchy, parent and subsidiary network