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Juha Mikael Kostiainen
JM
Juha Mikael Kostiainen
Person with significant control, YIT Oyj
FI
13 active roles
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Co-directors & shared companies
Person
Role
Shared companies
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AJ
Antti Juhani Seppälä
Confidential Clerk
3
companies
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IK
Ilkka Keijo Johannes Tomperi
Person with significant control
2
companies
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JA
Juhani Arvo Henrik Nummi
Person with significant control
2
companies
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KT
Kari Tuomo Olavi Kauniskangas
Chief Executive Officer
2
companies
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MJ
Markku Juhani Katajisto
Audit
2
companies
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Company network
Active roles
Juha Mikael Kostiainen
YIT Oyj
Person with significant control
YIT Housing Oy
Person with significant control
Kiinteistö Oy Triplaparkki
Board of Directors
Kiinteistö Oy Tripla Mall
Board of Directors
Tripla Mall GP Oy
Board of Directors
Regenero Oy
Chairperson
Keilaniemen kiinteistökehitys Oy
Chairperson
Keilaniemen kiinteistökehitys GP Oy
Board of Directors
Keilaniemen Kalliopysäköinti HoldCo Oy
Board of Directors
YIT Rakennus Oy
Person with significant control
YIT Infra Oy
Person with significant control
YIT Road Oy
Person with significant control
Oomi Solar Oy
Board of Directors
Past companies
Projekti GH Oy
Tyrsky-Konsultointi Oy
Kiinteistö Oy Espoon Tietotie 6
Campus Marian Kehitys Oy
Kumppanuuskoulut Oy
