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Castellum Helsinki Yrittäjätalo Oy
OY
Dissolved
Y-tunnus 2387446-4
Verkkosaarenkatu 5, 00580
Helsinki
Buying and selling of own real estate
· NACE 6811
Est. 2011 · 15 years old
— employees
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Buying and selling of own real estate
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Castellum Helsinki Yrittäjätalo Oy
Overview
Financials
People & ownership
Related companies
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (2)
JH
Johan Henrik Stadigh
Chief Executive Officer
Chief Executive Officer
2020
HM
Hans Martin Christoffer Strömbäck
Deputy Member
Deputy Member
2025
Former (5)
MT
Marja-Leena Turunen
Audit
Audit
2012 – 2019
OT
Olli-Pekka Tapio Tynjälä
Deputy Member
Deputy Member
2012 – 2020
JV
Juha Veikko Aulis Hilmola
Audit
Audit
2019 – 2021
MK
Märta Kristina Elisabet Sawjani
Deputy Member
Deputy Member
2021 – 2025
AA
Aarne Aleksi Martamo
Audit
Audit
2021 – 2023
Board of directors
Non-executive oversight
Name
Role
Member since
Former (4)
JT
Jarmo Tapani Poussa
Board of Directors
2020 – 2020
AU
Anna Ulrika Danielsson
Board of Directors
2020 – 2021
JH
John Henrik Saxborn
Chairperson
2020 – 2021
JA
Jouni Antero Puhakka
Board of Directors
2012 – 2020
Shareholders
As of last annual report
Shareholder
Type
Ownership
Votes
Since
Castellum Kalasatama Oy
Company
100%
100%
2023
Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive.
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