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Talotekniikka Ykkönen Oy
OY
Active
Y-tunnus 2486047-8
Haikanvuori 4C-453, 33960
Pirkkala
Plumbing, heat and air-conditioning installation
· NACE 4322
Est. 2012
— employees
www.talotekniikkaykkonen.fi
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Talotekniikka Ykkönen Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Former (3)
MK
Marja Kristiina Kaarte
Administrator in restructuring
Administrator in restructuring
2021 – 2022
NM
Nina Marjatta Rantapaju
Deputy Member
Deputy Member
2012 – 2019
JK
Jouko Kalevi Rantapaju
Chief Executive Officer
Chief Executive Officer
2012 – 2019
Board of directors
Non-executive oversight
Name
Role
Member since
Current (1)
RM
Roosa Matleena Laakso
Board of Directors
2021
Former (2)
KM
Katja Maria Säilä
Board of Directors
2019 – 2020
SH
Susan Hillenbrand
Board of Directors
2020 – 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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