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Sjaelso Oy
OY
Active
Y-tunnus 2572361-9
Yrjönkatu 9A, 00120
Helsinki
Engineering activities and related technical consultancy
· NACE 7112
Est. 2013
0 employees
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Engineering activities and related technical consultancy
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Sjaelso Oy
Overview
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (2)
JA
Jan Anders Haglund
Deputy Member
Deputy Member
2016
JJ
Jarkko Jeremias Tapio
Chief Executive Officer
Chief Executive Officer
2013
Former (1)
MC
Marcus Carl-Erik Tötterman
Audit
Audit
2014 – 2023
Board of directors
Non-executive oversight
Name
Role
Member since
Current (1)
HI
Harry Ilmari Strömberg
Chairperson
2016
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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