The club plays in the Tweede Divisie, the highest amateur league of Dutch football.

In both seasons De Treffers failed to win the national amateur championship.

From 1963 to 1974, with the exception of the 1971–1972 season, De Treffers played in the Eerste Klasse (First amateur league).

De Treffers has since qualified for the Tweede Divisie which, since 2016, has succeeded Topklasse as the highest amateur division in the Netherlands.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.