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Siren & Tuomala Taloushallintopalvelut Oy
OY
Active
Y-tunnus 3243684-5
Lh. 1, 00220
Helsinki
Accounting, bookkeeping and auditing activities; tax consultancy
· NACE 6920
Est. 2021
— employees
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Accounting, bookkeeping and auditing activities; tax consultancy
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Siren & Tuomala Taloushallintopalvelut Oy
Overview
Financials
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
KJ
Kasimir Johan Nikolaus Tuomala
Chief Executive Officer
Chief Executive Officer
2025
Former (1)
JE
Johanna Eeva-Maria Guillou
Audit
Audit
2025 – 2026
Board of directors
Non-executive oversight
Name
Role
Member since
Current (1)
NJ
Nils-Emil Johan Sirén
Board of Directors
2021
Former (1)
SR
Stefan Runar Hörhammer
Chairperson
2021 – 2022
Shareholders
As of last annual report
No shareholder data available.
Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive.
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