Terming the economic situation of the country stable, the agency found the Finnish economy as one of the best, considering various indicators.
Good governance, high per capita income, good strength of net foreign investment and immaculate ability of servicing debt are among the indicators used for the grading.
Fitch estimated that the public sector deficit was not too large and that the pension system was also well funded.
The report forecasted the possibility of growth declining by 1% by the end of the year.
Earlier, rating agency Standard & Poor also reaffirmed Finland's position in the best triple A class. The credit rating agency has also given Finland the best possible credit rate.