What is the Y-tunnus number of One and Done Oy?

One and Done Oy is registered with PRH / YTJ under Y-tunnus 3560864-9.

Who is the CEO of One and Done Oy?

Heidi Tuulia Arles is Chief Executive Officer of One and Done Oy, in role since 2025.

One and Done Oy's registered address is Viherlahdentie 18.

OYActive

Y-tunnus 3560864-9Viherlahdentie 18Other education n.e.c. · NACE 8559Est. 2025— employees

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EBITDA — year on yearEUR millions

Key figuresAnnual report

Name	Role	Member since
Current (2)
HT Heidi Tuulia Arles Chief Executive Officer	Chief Executive Officer	2025
JJ Jarkko Juhani Hakonen Deputy Chief Executive Officer	Deputy Chief Executive Officer	2025

Person	Role here	Other companies
Heidi Tuulia Arles	Chief Executive Officer	0 companies
Jarkko Juhani Hakonen	Deputy Chief Executive Officer	0 companies