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Rakennus J.Tiainen Oy
OY
Active
Y-tunnus 0874468-8
Oilaantie 664, 09810
Nummi
Construction of residential and non-residential buildings
· NACE 4100
Est. 1991
— employees
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Construction of residential and non-residential buildings
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Rakennus J.Tiainen Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
JT
Juha Tapio Tiainen
Chief Executive Officer
Chief Executive Officer
2021
Former (3)
TS
Touko Silfverberg
Deputy Member
Deputy Member
1991 – 2021
JT
Juha Tapio Tiainen
Chief Executive Officer
Chief Executive Officer
1991 – 2021
TH
Touko Heikki Silfverberg
Deputy Member
Deputy Member
2021 – 2024
Board of directors
Non-executive oversight
Name
Role
Member since
Current (1)
RO
Ritva Orvokki Tiainen
Board of Directors
2021
Former (2)
JT
Juha Tapio Tiainen
Chairperson
1991 – 2021
RO
Ritva Orvokki Tiainen
Board of Directors
1991 – 2021
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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