Lämpösulku Oy
OYActiveY-tunnus 0564325-9Mutterikatu 3, 48770 KotkaInstallation of insulation· NACE 4323Est. 1984 · 42 years old126 employeeswww.lamposulku.com
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Lämpösulku Oy is a Finnish OY based in Kotka, operating in the Installation of insulation sector. Incorporated in 1984, the company has 126 employees and reported revenue of 15,9 milj. € in its latest annual filing.
In its most recent annual report (2025), Lämpösulku Oy reported revenue of 15,9 milj. €, a decrease of 3% on the year before. The figures on this page draw on 5 annual filings covering 2021 to 2025. The bottom line showed a net profit of 365,7 t. €, and the EBITDA margin stood at 5.5%.
At the end of 2025, equity financed 67.3% of the balance sheet, and current assets covered short-term debt 2.5 times.