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Mainostoimisto C.Diem Oy
OY
In liquidation
Y-tunnus 0995419-3
Purjetie 3B-3285, 00960
Helsinki
Activities of advertising agencies
· NACE 7311
Est. 1994 · 31 years old
— employees
www.cdiem.fi
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Activities of advertising agencies
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Mainostoimisto C.Diem Oy
Overview
Financials
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
SA
Sari Annikki Aaltonen
Liquidator
Liquidator
2025
Former (3)
JA
Jari Antti Rajajärvi
Deputy Member
Deputy Member
2024 – 2025
HJ
Hannu Jouko Tapani Aaltonen
Chief Executive Officer
Chief Executive Officer
1994 – 2025
AJ
Ari Juhani Niemi
Deputy Member
Deputy Member
2012 – 2024
Board of directors
Non-executive oversight
Name
Role
Member since
Former (1)
AH
Aino Helena Ritola
Board of Directors
2012 – 2024
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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Corporate hierarchy, parent and subsidiary network