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Grontek Oy
OY
Active
Y-tunnus 3603914-2
Isonnevantie 26B-2626, 00320
Helsinki
Other construction installation
·
NACE 4324
Est. 2026 · <1 year old
— employees
Share
Finland
/
Companies
/
Other construction installation
/
Grontek Oy
Overview
Financials
People & ownership
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Overview →
Headline figures, risk assessment and company summary
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Revenue, EBITDA, balance sheet and 5-year trend
People & ownership →
Management, board and shareholder breakdown
Company hierarchy
No registered parent or subsidiaries
Board network connections
Board members of Grontek Oy also hold positions in
2
other companies.
Person
Role here
Other companies
George Romanov
Chief Executive Officer
2 companies
