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Timanttityöt P. Nieminen Oy
OY
Active
Y-tunnus 2420501-9
Haapatie 31, 28800
Pori
Other specialised construction activities n.e.c.
· NACE 4399
Est. 2011
11 employees
www.tpnoy.fi
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Other specialised construction activities n.e.c.
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Timanttityöt P. Nieminen Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (4)
MJ
Mervi Johanna Raitaniemi
Deputy auditor
Deputy auditor
2025
KM
Kaarina Maria Pyydönniemi
Audit
Audit
2021
PJ
Petri Juhani Nieminen
Chief Executive Officer
Chief Executive Officer
2011
KK
Klaus Kalervo Lehtonen
Deputy Chief Executive Officer
Deputy Chief Executive Officer
2011
Former (1)
MR
Martti Reino Tapio Rehula
Audit
Audit
2011 – 2021
Board of directors
Non-executive oversight
Name
Role
Member since
Current (2)
TM
Tanja Maarit Lehtonen
Board of Directors
2011
KM
Katja Marika Lehtonen
Board of Directors
2011
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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