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Mainframe Industries Oy
OY
Active
Y-tunnus 2997728-8
Lapinlahdenkatu 16, 00180
Helsinki
Computer programming activities
·
NACE 6210
Est. 2019 · 7 years old
60 employees
Share
Finland
/
Companies
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Computer programming activities
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Mainframe Industries Oy
Overview
Financials
People & ownership
Related companies
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (3)
TH
Thorsteinn Hogni Gunnarsson
Chief Executive Officer
Chief Executive Officer
2019
JT
Jussi Taneli Sulka Haro
Person with significant control
Person with significant control
2026
AL
Annariikka Lönnberg
Person with significant control
Person with significant control
2019
Former (2)
AH
Arja Helena Syvähuoko
Person with significant control
Person with significant control
2024 – 2026
VM
Valtteri Matti Eemeli Helenius
Audit
Audit
2019 – 2023
Board of directors
Non-executive oversight
Name
Role
Member since
Current (5)
KP
Kjartan Pierre Emilsson
Board of Directors
Board of Directors
2025
JY
Jonathan Ye-Kong Lai
Board of Directors
Board of Directors
2021
EG
Erik Gloersen
Chairperson
Chairperson
2025
TH
Thorsteinn Hogni Gunnarsson
Board of Directors
Board of Directors
2020
AL
Annariikka Lönnberg
Board of Directors
Board of Directors
2019
Former (4)
HA
Hekla Arnardóttir
Board of Directors
Board of Directors
2019 – 2020
SS
Samuli Syvähuoko
Chairperson
Chairperson
2019 – 2020
IJ
Ilkka Juhani Kivimäki
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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More on Mainframe Industries Oy
Overview →
Headline figures, risk assessment and company summary
Financials & key figures →
Revenue, EBITDA, balance sheet and 5-year trend
Related companies →
Corporate hierarchy, parent and subsidiary network
Chairperson
Chairperson
2020 – 2025
HE
Harri Esko Johannes Manninen
Board of Directors
Board of Directors
2019 – 2021