What is the Y-tunnus number of Mainiemi Oy?

Mainiemi Oy is registered with PRH / YTJ under Y-tunnus 0150726-8.

Where is Mainiemi Oy headquartered?

Mainiemi Oy's registered address is Tampereentie 68.

KOYActive

Y-tunnus 0150726-8Tampereentie 6-8, 37500 LempääläRental and operating of own or leased real estate· NACE 6820Est. 1960 · 65 years old— employeeswww.mainiemi.fi

Actively employed in the business

Name	Role	Member since
Current (1)
RS Riitta Susanna Järvenpää Liquidator	Liquidator	2022

Former (9)


HT Henri Tapani Timonen Audit	Audit	2021 – 2023
NK Nina Katariina Lehtinen Deputy Member	Deputy Member	2017 – 2022
TS Timo Sameli Nevala Deputy Member	Deputy Member	2021 – 2022
KK Karita Kristiina Hovilainen Deputy Member	Deputy Member	2021 – 2022
JM Johanna Marika Heikkilä Chief Executive Officer	Chief Executive Officer	2017 – 2021
NK Nina Kristiina Nieminen Audit	Audit	2018 – 2023
TA Timo Antero Kujanpää Deputy Member	Deputy Member	2017 – 2021
KJ Kari Juhani Auvinen Deputy Member	Deputy Member	2017 – 2021
HK Hanna-Leena Keskinen Audit	Audit	2018 – 2021

Non-executive oversight

Name	Role	Member since

Former (6)


HA Harri Antero Järvenpää Board of Directors	Board of Directors	2021 – 2022
LJ Lari Johannes Laakso Chairperson	Chairperson	2021 – 2022
JM Johanna Marika Heikkilä Board of Directors	Board of Directors	2017 – 2021
TS Tiia Susanna Levonmaa Board of Directors	Board of Directors	2017 – 2021
HH Heidi Henrietta Rämö Chairperson	Chairperson	2017 – 2021
KJ Kari Juhani Auvinen Board of Directors	Board of Directors	2021 – 2022

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. Learn more.