What is the Y-tunnus number of TKF Power Quality Oy?

TKF Power Quality Oy is registered with PRH / YTJ under Y-tunnus 0810902-7.

What is the revenue of TKF Power Quality Oy?

TKF Power Quality Oy reported revenue of EUR 1,3M in 2025.

TKF Power Quality Oy employs 31 people as of the latest annual report.

Mikko Pentti Kalervo Eronen is the CEO of TKF Power Quality Oy, in role since 2025.

Toni Petteri Ristamäki chairs the board of TKF Power Quality Oy, in role since 2025.

TKF Power Quality Oy's registered address is Kaapelikatu 3.

OYActive

Y-tunnus 0810902-7Kaapelikatu 3, 33330 TampereElectrical installation· NACE 4321Est. 1990 · 35 years old31 employees

Actively employed in the business

Name	Role	Member since
Current (2)
PJ Pekka Johannes Paldanius Special representative	Special representative	2011
MP Mikko Pentti Kalervo Eronen Chief Executive Officer	Chief Executive Officer	2025
Former (3)
HE Harri Eino Juhani Lamminen Chief Executive Officer	Chief Executive Officer	2013 – 2022
JV Jouni Veli Sakari Mäki Deputy Member	Deputy Member	2023 – 2025
AK Antti Kari Juhana Niemistö Audit	Audit	2018 – 2023

Non-executive oversight

Name	Role	Member since
Current (4)
JA Jouni Antero Mälkönen Board of Directors	Board of Directors	2025
KJ Kari Juhani Lehto Board of Directors	Board of Directors	2025
TP Toni Petteri Ristamäki Chairperson	Chairperson	2025
KM Katja Marketta Vuokkonen Board of Directors	Board of Directors	2023
Former (1)
MS Mika Sakari Pääkkönen Board of Directors	Board of Directors	2022 – 2023

As of last annual report

Shareholder	Type	Ownership	Votes	Since
ARNON OY	Company	100%	100%	2024

Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive. Learn more.