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Space Upstairs Oy
OY
Active
Y-tunnus 2956506-4
Mikonkatu 25C-2556, 00100
Helsinki
Rakennuttaminen ja rakennushankkeiden kehittäminen
· NACE 41100
Est. 2018
— employees
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Space Upstairs Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Former (2)
VS
Visa Sakari Siekkinen
Chief Executive Officer
Chief Executive Officer
2018 – 2023
PK
Pertti Kalevi Siekkinen
Deputy Member
Deputy Member
2018 – 2020
Board of directors
Non-executive oversight
Name
Role
Member since
Former (1)
AJ
Aaku Juhani Asujamaa
Board of Directors
2018 – 2020
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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Corporate hierarchy, parent and subsidiary network