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Asunto Oy Oskarintöyry
AOY
Active
Y-tunnus 0463741-2
Hämeenkatu 25-27, 11100
Riihimäki
Rental and operating of own or leased real estate
· NACE 6820
Est. 1981
— employees
www.isannointiisotalo.fi
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Asunto Oy Oskarintöyry
Overview
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People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
MH
Maritta Heli Tamminen
Management
Management
2026
Former (4)
PC
Pia Carita Lahti
Management
Management
2024 – 2026
JJ
Jarmo Juhani Koskinen
Management
Management
2022 – 2024
OP
Olli Pertti Mäkinen
Management
Management
2017 – 2020
SJ
Sisko Johanna Sairanen
Management
Management
2020 – 2022
Board of directors
Non-executive oversight
Name
Role
Member since
Current (4)
LS
Lauri Sakari Tamminen
Board of Directors
2026
JM
Jari Matti Juhani Paajanen
Board of Directors
2026
MJ
Marko Juhani Riihimaa
Chairperson
2022
JA
Jarkko Aki Ilari Olkinuora
Board of Directors
2022
Former (3)
MK
Merja Kaarina Järvinen
Board of Directors
2017 – 2022
PK
Päivi Kaarina Yli-Karhula
Board of Directors
2017 – 2022
SJ
Simo Joonas Kemppainen
Board of Directors
2022 – 2026
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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