What is the Y-tunnus number of Arnon Oy?

Arnon Oy is registered with PRH / YTJ under Y-tunnus 1589454-5.

What is the revenue of Arnon Oy?

Arnon Oy reported revenue of 71,7 milj. € in 2025.

Arnon Oy employs 15 people as of the latest annual report.

Toni Petteri Ristamäki is the CEO of Arnon Oy, in role since 2024.

Sami Petteri Tulus chairs the board of Arnon Oy, in role since 2022.

Arnon Oy's registered address is Kaapelikatu 3.

OYActive

Y-tunnus 1589454-5Kaapelikatu 3, 33330 TampereManufacture of electricity distribution and control apparatus· NACE 2712Est. 2000 · 26 years old15 employeeswww.arnon.fi

Actively employed in the business

Name	Role	Member since
Current (6)
JS Janne Samuli Martin Confidential Clerk	Confidential Clerk	2021
TT Tarmo Tapani Rautiainen Confidential Clerk	Confidential Clerk	2024
JV Jouni Veli Sakari Mäki Confidential Clerk	Confidential Clerk	2021
KJ Kari Juhani Lehto Confidential Clerk	Confidential Clerk	2021
TP Toni Petteri Ristamäki Chief Executive Officer	Chief Executive Officer	2024
KM Katja Marketta Vuokkonen Confidential Clerk	Confidential Clerk	2024

Former (5)


HE Harri Eino Juhani Lamminen Chief Executive Officer	Chief Executive Officer	2018 – 2022
VS Ville Sakari Koskinen Confidential Clerk	Confidential Clerk	2021 – 2021
MS Mika Sakari Pääkkönen

Non-executive oversight

Name	Role	Member since
Current (5)
HE Harri Eino Juhani Lamminen Board of Directors	Board of Directors	2021
AH Antti Heikki Rauhala Board of Directors	Board of Directors	2018
AP Antti Pentti Valtteri Kaunonen Board of Directors	Board of Directors	2022
PT Pekka Tapio Tiitinen Board of Directors	Board of Directors	2026
SP Sami Petteri Tulus Chairperson	Chairperson	2022

Former (2)


JK Jarmo Kalervo Puputti Chairperson	Chairperson	2018 – 2022
CE Christer Eino Olavi Härkönen Board of Directors	Board of Directors	2018 – 2026

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Auroora Yhtiöt Oyj	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.