What is the Y-tunnus number of Sijaista Oy?

Sijaista Oy is registered with PRH / YTJ under Y-tunnus 3429938-9.

Who is the CEO of Sijaista Oy?

Sanni Marja Johanna Vainio-Hynnilä is Chief Executive Officer of Sijaista Oy, in role since 2025.

Mika Juhani Lähteenmäki chairs the board of Sijaista Oy, in role since 2024.

Sijaista Oy's registered address is C/O Sanni Vainio-Hynnilä Lukkarintie 4-C11.

OYActive

Y-tunnus 3429938-9C/O Sanni Vainio-Hynnilä Lukkarintie 4C-411, 60800 IlmajokiComputer programming activities · NACE 6210Est. 2024— employees

Actively employed in the business

Name	Role	Member since
Current (2)
SM Sanni Marja Johanna Vainio-Hynnilä Chief Executive Officer	Chief Executive Officer	2025
IE Inka Emilia Lähteenmäki Deputy Member	Deputy Member	2025

Non-executive oversight

Name	Role	Member since
Current (1)
MK Marjo Katariina Kaartinen	Board of Directors	2024
Former (1)
MJ Mika Juhani Lähteenmäki	Chairperson	2024 – 2025

As of last annual report

No shareholder data available.

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