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Kiinteistö Oy Tammelanpuistokatu 21
KKOY
Active
Y-tunnus 0602888-0
Pl 52, 00101
Helsinki
Letting of other real estate
· NACE 68209
Est. 1985 · 40 years old
— employees
www.newsec.fi
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Kiinteistö Oy Tammelanpuistokatu 21
Overview
Financials
People & ownership
Related companies
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
MJ
Mari Johanna Karttunen
Liquidator
Liquidator
2024
Former (7)
MA
Mirjam Arvontytär Kallio
Confidential Clerk
Confidential Clerk
2018 – 2022
EJ
Ella Juliaana Rinne
Confidential Clerk
Confidential Clerk
2023 – 2024
LJ
Lasse Jalmari Alhonen
Management
Management
2020 – 2024
NA
Ninja Amanda Maria Pyy
Confidential Clerk
Confidential Clerk
2022 – 2024
JV
Jonne Veikko Valtteri Ahokas
Audit
Audit
2018 – 2023
AE
Anna-Liisa Elina Asujamaa
Confidential Clerk
Confidential Clerk
2018 – 2023
SJ
Sanna Johanna Männistö
Management
Management
2018 – 2020
Board of directors
Non-executive oversight
Name
Role
Member since
Former (3)
MJ
Markku Juhani Mäkiaho
Chairperson
2013 – 2024
KT
Kari Tapio Kangasmaa
Board of Directors
2013 – 2024
JE
Jarl Eino Juhani Virala
Board of Directors
2013 – 2024
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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