Fat Stack Oy is a Finnish OY based in Oulu, operating in the Other financial service activities, except insurance and pension funding n.e.c. sector. Incorporated in 2020, the company has 1 employee and reported revenue of 3,3 t. € in its latest annual filing.
In its most recent annual report (2025), Fat Stack Oy reported revenue of 3,3 t. €, a decrease of 38% on the year before. The figures on this page draw on 3 annual filings covering 2022 to 2025. The bottom line showed a net loss of 8,0 t. €, and the EBITDA margin stood at -297%.