Between 1927 and 1993, the club played a total of 28 seasons in the Swiss top flight.

The public limited company FC Chiasso 2005 SA was declared bankrupt in January 2023.

[1] The youth department was not affected by this as they were organised under the umbralla of the club FC Chiasso.

After appointing a new committee and manager, the club restarted its first team to play in the 4.

[2][3][4] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.