Mika Juhani Castrén

Board of Directors, Porin Konttorikone Oy

FI18 active roles

Active roles

directorships & management

Past roles

historical positions

Dissolved companies

in directorship history

Career timeline

2026 – now
Chief Executive Officer, Kiinteistö Oy Koptiikka
2026 – now
Chief Executive Officer, Kiinteistö Oy Harjavallan City-Kulma
2025 – now
Board of Directors, Asunto Oy Tapionkatu 25
2025 – now
Chief Executive Officer, Lännen Talopalvelu Oy
2024 – 2025
Management, Asunto Oy Siltapuistokatu 32
2023 – now
Management, Asunto-Oy Porin Tiilimäki N:o 9
2023 – now
Chief Executive Officer, Kiinteistö Oy Porin Eteläväylä 3
2022 – now
Chairperson, Kiinteistö Oy Yyterin Villat
2021 – now
Chairperson, Majakas Holding Oy
2021 – 2022
Board of Directors, EcoPorts Finland Oy
2020 – now
Board of Directors, Kiinteistö Oy Porin Pienteollisuustalo
2020 – now
Board of Directors, PK-LASKENTA OY
2020 – now
Board of Directors, Rauman Konttoripalvelu Oy
2020 – 2022
Board of Directors, Heating Oy Y-Kuljetus
2019 – now
Board of Directors, Euro Toimistotukut Oy
2019 – 2021
Chairperson, Fyysinki Oy
2018 – now
Board of Directors, Porin Konttorikone Oy
2018 – now
Management, Asunto-Oy Porin Tiilimäki N:o 11
2018 – now
Management, Asunto Oy Nakkilan Hohtari
2018 – now
Management, As. Oy Ulvilan Amiskoti
2018 – now
Management, Asunto Oy Saarenhovi
2018 – 2025
Management, Asunto Oy Nakkilan Villiruusu
2018 – 2023
Management, Asunto-Oy Kiertokatu 17
2018 – 2023
Management, Asunto Oy Porin Tiilimäki no 2
2018 – 2023
Management, Asunto Oy Porin Tiilimäki no 4
2018 – 2023
Management, Asunto Oy Porin Tiilimäki no 6
2018 – 2021
Management, Asunto Oy Herralahdenkatu 8
2018 – 2020
Management, Asunto Oy Porin Metsämiehenkatu 17
2016 – now
Stakeholder, Tmi Castrén Mika

Personal details

Nationality

Company	Role	Period	Ownership	Status
Porin Konttorikone Oy CVR 0136774-4	BoardBoard of Directors	Since 2018	—	Active
Asunto-Oy Porin Tiilimäki N:o 9 CVR 0137834-7	ManagementManagement	Since 2023	—	Active
Asunto-Oy Porin Tiilimäki N:o 11 CVR 0137835-5	ManagementManagement	Since 2018	—	Active
Asunto Oy Tapionkatu 25 CVR 0137915-5	BoardBoard of Directors	Since 2025	—	Active
Asunto Oy Nakkilan Hohtari CVR 0229649-0	ManagementManagement	Since 2018	—	Active
Kiinteistö Oy Porin Pienteollisuustalo CVR 0554127-9	BoardBoard of Directors	Since 2020	—	Active
Kiinteistö Oy Koptiikka CVR 0554373-3	ManagementChief Executive Officer	Since 2026	—	Active
As. Oy Ulvilan Amiskoti CVR 0716869-0	ManagementManagement	Since 2018	—	Active
Kiinteistö Oy Harjavallan City-Kulma CVR 0735616-5	ManagementChief Executive Officer	Since 2026	—	Active
Asunto Oy Saarenhovi CVR 0798438-0	ManagementManagement	Since 2018	—	Active
PK-LASKENTA OY CVR 0819459-1	BoardBoard of Directors	Since 2020	—	Active
Euro Toimistotukut Oy CVR 0853610-9	BoardBoard of Directors	Since 2019	—	Active
Rauman Konttoripalvelu Oy CVR 1084331-9	BoardBoard of Directors	Since 2020	—	Active
Kiinteistö Oy Yyterin Villat CVR 2138350-6	BoardChairperson	Since 2022	—	Active
Lännen Talopalvelu Oy CVR 2519093-9	ManagementChief Executive Officer	Since 2025	—	Active
Kiinteistö Oy Porin Eteläväylä 3 CVR 2745883-9	ManagementChief Executive Officer	Since 2023	—	Active
Tmi Castrén Mika CVR 2750346-8	OtherStakeholder	Since 2016	—	Active
Majakas Holding Oy CVR 3218903-9	BoardChairperson	Since 2021	—	Active

Company	Role	Period	Ownership	Status
Asunto Oy Herralahdenkatu 8 CVR 0137515-4	ManagementManagement	2018 – 2021	—	Active
Asunto-Oy Kiertokatu 17 CVR 0137589-1	ManagementManagement	2018 – 2023	—	Active
Asunto Oy Porin Tiilimäki no 2 CVR 0137831-2	ManagementManagement	2018 – 2023	—	Active
Asunto Oy Porin Tiilimäki no 4 CVR 0137832-0	ManagementManagement	2018 – 2023	—	Active
Asunto Oy Porin Tiilimäki no 6 CVR 0137833-9	ManagementManagement	2018 – 2023	—	Active
Asunto Oy Siltapuistokatu 32 CVR 0137905-9	ManagementManagement	2024 – 2025	—	Active
Asunto Oy Porin Metsämiehenkatu 17 CVR 0204330-3	ManagementManagement	2018 – 2020	—	Active
Heating Oy Y-Kuljetus CVR 0300338-9	BoardBoard of Directors	2020 – 2022	—	Active
Asunto Oy Nakkilan Villiruusu CVR 0477280-9	ManagementManagement	2018 – 2025	—	Active
EcoPorts Finland Oy CVR 0968370-9	BoardBoard of Directors	2021 – 2022	—	Active
Fyysinki Oy CVR 3021434-1	BoardChairperson	2019 – 2021	—	Active

Person	Role	Shared companies	Profile
KK Kaisa Kristiina Gröndahl	Confidential Clerk	2companies	View profile
KM Kaarina Maria Pyydönniemi	Audit	2companies	View profile
JA Julia Alexsandra Castrén	Deputy Member	1company	View profile
OP Outi Päivikki Mykrä	Confidential Clerk	1company	View profile
HJ Heikki Juhani Santavuo	Deputy auditor	1company	View profile

Company	Role	Period	Ownership	Status
Porin Konttorikone Oy CVR 0136774-4	BoardBoard of Directors	Since 2018	—	Active
Asunto-Oy Porin Tiilimäki N:o 9 CVR 0137834-7	ManagementManagement	Since 2023	—	Active
Asunto-Oy Porin Tiilimäki N:o 11 CVR 0137835-5	ManagementManagement	Since 2018	—	Active
Asunto Oy Tapionkatu 25 CVR 0137915-5	BoardBoard of Directors	Since 2025	—	Active
Asunto Oy Nakkilan Hohtari CVR 0229649-0	ManagementManagement	Since 2018	—	Active
Kiinteistö Oy Porin Pienteollisuustalo CVR 0554127-9	BoardBoard of Directors	Since 2020	—	Active
Kiinteistö Oy Koptiikka CVR 0554373-3	ManagementChief Executive Officer	Since 2026	—	Active
As. Oy Ulvilan Amiskoti CVR 0716869-0	ManagementManagement	Since 2018	—	Active
Kiinteistö Oy Harjavallan City-Kulma CVR 0735616-5	ManagementChief Executive Officer	Since 2026	—	Active
Asunto Oy Saarenhovi CVR 0798438-0	ManagementManagement	Since 2018	—	Active
PK-LASKENTA OY CVR 0819459-1	BoardBoard of Directors	Since 2020	—	Active
Euro Toimistotukut Oy CVR 0853610-9	BoardBoard of Directors	Since 2019	—	Active
Rauman Konttoripalvelu Oy CVR 1084331-9	BoardBoard of Directors	Since 2020	—	Active
Kiinteistö Oy Yyterin Villat CVR 2138350-6	BoardChairperson	Since 2022	—	Active
Lännen Talopalvelu Oy CVR 2519093-9	ManagementChief Executive Officer	Since 2025	—	Active
Kiinteistö Oy Porin Eteläväylä 3 CVR 2745883-9	ManagementChief Executive Officer	Since 2023	—	Active
Tmi Castrén Mika CVR 2750346-8	OtherStakeholder	Since 2016	—	Active
Majakas Holding Oy CVR 3218903-9	BoardChairperson	Since 2021	—	Active

Company	Role	Period	Ownership	Status
Asunto Oy Herralahdenkatu 8 CVR 0137515-4	ManagementManagement	2018 – 2021	—	Active
Asunto-Oy Kiertokatu 17 CVR 0137589-1	ManagementManagement	2018 – 2023	—	Active
Asunto Oy Porin Tiilimäki no 2 CVR 0137831-2	ManagementManagement	2018 – 2023	—	Active
Asunto Oy Porin Tiilimäki no 4 CVR 0137832-0	ManagementManagement	2018 – 2023	—	Active
Asunto Oy Porin Tiilimäki no 6 CVR 0137833-9	ManagementManagement	2018 – 2023	—	Active
Asunto Oy Siltapuistokatu 32 CVR 0137905-9	ManagementManagement	2024 – 2025	—	Active
Asunto Oy Porin Metsämiehenkatu 17 CVR 0204330-3	ManagementManagement	2018 – 2020	—	Active
Heating Oy Y-Kuljetus CVR 0300338-9	BoardBoard of Directors	2020 – 2022	—	Active
Asunto Oy Nakkilan Villiruusu CVR 0477280-9	ManagementManagement	2018 – 2025	—	Active
EcoPorts Finland Oy CVR 0968370-9	BoardBoard of Directors	2021 – 2022	—	Active
Fyysinki Oy CVR 3021434-1	BoardChairperson	2019 – 2021	—	Active