What is the Y-tunnus number of Siisam Consulting Oy?

Siisam Consulting Oy is registered with PRH / YTJ under Y-tunnus 3619024-8.

Who is the CEO of Siisam Consulting Oy?

Jani Juhani Mäkelä is Chief Executive Officer of Siisam Consulting Oy, in role since 2026.

Siisam Consulting Oy's registered address is Pohjoinen Makasiinikatu 6-A4.

OYActive

Y-tunnus 3619024-8Pohjoinen Makasiinikatu 6-A4Electrical installation · NACE 4321Est. 2026— employees

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EBITDA — year on yearEUR millions

Key figuresAnnual report

Name	Role	Member since
Current (2)
JJ Jani Juhani Mäkelä Chief Executive Officer	Chief Executive Officer	2026
TK Terhi Kristiina Mäkelä Deputy Member	Deputy Member	2026

Person	Role here	Other companies
Jani Juhani Mäkelä	Chief Executive Officer	0 companies
Terhi Kristiina Mäkelä	Deputy Member	0 companies