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RTN Rakennus Oy
OY
Active
Y-tunnus 1508230-1
Manulankatu 10, 42100
Jämsä
Construction of residential and non-residential buildings
· NACE 4100
Est. 1998
6 employees
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Construction of residential and non-residential buildings
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RTN Rakennus Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (2)
IH
Ilkka Henrik Antero Nieminen
Chief Executive Officer
Chief Executive Officer
1999
TM
Tuula Maritta Nieminen
Deputy Member
Deputy Member
1999
Former (1)
MA
Martti Aarne Olli
Audit
Audit
2014 – 2024
Board of directors
Non-executive oversight
Name
Role
Member since
Current (1)
VM
Veli Markku Edvard Nieminen
Chairperson
1999
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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Corporate hierarchy, parent and subsidiary network