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Kiinteistö Oy Helsingin Unioninkatu 17
KKOY
Active
Y-tunnus 0293117-5
Pl 52, 00101
Helsinki
Rental and operating of own or leased real estate
· NACE 6820
Est. 1977
— employees
www.newsec.fi
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Kiinteistö Oy Helsingin Unioninkatu 17
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
AN
Arto Niku Juhani Antson
Chief Executive Officer
Chief Executive Officer
2021
Former (5)
JT
Jarmo Tapani Mäki-Hoimela
Chief Executive Officer
Chief Executive Officer
2018 – 2019
JS
Juha Sakari Wahlroos
Audit
Audit
2015 – 2021
MK
Markus Kalervo Pihlajoki
Chief Executive Officer
Chief Executive Officer
2019 – 2021
HH
Heini Hillevi Hänninen
Audit
Audit
2022 – 2023
MA
Martin Andreas Grandell
Audit
Audit
2021 – 2022
Board of directors
Non-executive oversight
Name
Role
Member since
Current (3)
PT
Petra Tellervo Särkkä
Board of Directors
2015
OH
Olli Heikki Enqvist
Board of Directors
2023
PS
Pilvi Susanna Kataja
Chairperson
2023
Former (3)
AH
Aku Heikki Ilmari Kajamaa
Board of Directors
2019 – 2021
AL
Artur Leopold Lukander
Board of Directors
2015 – 2019
JH
Janne Henrik Sipilä
Chairperson
2015 – 2023
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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