What is the Y-tunnus number of HeySun Oy?

HeySun Oy is registered with PRH / YTJ under Y-tunnus 2668175-6.

What is the revenue of HeySun Oy?

HeySun Oy reported revenue of EUR 174K in 2025.

Emma Anna-Kaisa Heiskanen is Deputy Member of HeySun Oy, in role since 2015.

HeySun Oy's registered address is Aallonhalkoja 3-F54.

OYActive

Y-tunnus 2668175-6Aallonhalkoja 3F-354, 00540 HelsinkiBusiness and other management consultancy activities · NACE 7020Est. 2015— employeesheysun.fi

Actively employed in the business

Name	Role	Member since
Current (3)
EA Emma Anna-Kaisa Heiskanen Deputy Member	Deputy Member	2015
SM Sanna Maria Wikström Deputy Chief Executive Officer	Deputy Chief Executive Officer	2021
VH Valtteri Heiskanen Chief Executive Officer	Chief Executive Officer	2021
Former (1)
HT Harri Tapio Rekilä Audit	Audit	2017 – 2023

Non-executive oversight

No data on file.

As of last annual report

No shareholder data available.

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