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Kiinteistö Oy Castellum Helsinki Viitta
KKOY
Dissolved
Y-tunnus 3166105-5
Verkkosaarenkatu 5, 00580
Helsinki
Rental and operating of own or leased real estate
· NACE 6820
Est. 2020
— employees
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Kiinteistö Oy Castellum Helsinki Viitta
Overview
Financials
People & ownership
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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)
JV
Juha Veikko Aulis Hilmola
Audit
Audit
2020 – 2021
LJ
Lauri Juho Eerikki Maila
Deputy Member
Deputy Member
2020 – 2020
MK
Märta Kristina Elisabet Sawjani
Deputy Member
Deputy Member
2021 – 2025
JT
Jarmo Tapani Poussa
Chief Executive Officer
Chief Executive Officer
2020 – 2020
AA
Aarne Aleksi Martamo
Audit
Audit
2021 – 2023
Board of directors
Non-executive oversight
Name
Role
Member since
Former (2)
AU
Anna Ulrika Danielsson
Board of Directors
2020 – 2021
JH
John Henrik Saxborn
Chairperson
2020 – 2021
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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