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Assembly Organizing Oy
OY
Active
Y-tunnus 2245136-3
Haapaniemenkatu 3B, 00530
Helsinki
Organisation of conventions and trade shows
·
NACE 8230
Est. 2009 · 17 years old
4 employees
www.assembly.org
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Organisation of conventions and trade shows
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Assembly Organizing Oy
Overview
Financials
People & ownership
Related companies
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
LJ
Lassi Juhani Nummi
Chief Executive Officer
Chief Executive Officer
2020
Former (3)
PJ
Pekka Juhani Aakko
Chief Executive Officer
Chief Executive Officer
2018 – 2020
TJ
Tomi Juhani Oksanen
Audit
Audit
2020 – 2023
MH
Marianne Helena Miekka
Audit
Audit
2018 – 2020
Board of directors
Non-executive oversight
Name
Role
Member since
Current (2)
PJ
Petri Juhani Hämälä
Chairperson
Chairperson
2023
MJ
Matti Juhani Antila
Board of Directors
Board of Directors
2023
Former (9)
VE
Ville Esko Lahti
Board of Directors
Board of Directors
2018 – 2020
HA
Heli Anneli Partanen
Chairperson
Chairperson
2018 – 2020
PH
Piia Hannele Hannula
Board of Directors
Board of Directors
2018 – 2022
OT
Olli-Pekka Takanen
Board of Directors
Board of Directors
2020 – 2021
KN
Krista Nadia Korelin
Board of Directors
Board of Directors
2021 – 2022
JL
Johannes Leppänen
Board of Directors
Board of Directors
2020 – 2022
LP
Lotta Pauliina Ahonen
Board of Directors
Board of Directors
2022 – 2023
HJ
Heidi Johanna Kunnari
Board of Directors
Board of Directors
2018 – 2023
TM
Tuula Maria Heikkinen
Board of Directors
Board of Directors
2022 – 2023
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