It currently plays in Serie D Group E. The club was founded in 1925 as Unione Sportiva Poggibonsi.

[2] After that season, the team was excluded from playing Serie C2 by the federation because of financial problems and admitted to Eccellenza instead.

[3] At the beginning of the 2004–05 season, the club was refounded under his original name US Poggibonsi and promptly won the league in its first attempt.

The club ended its 2006–07 Serie C2 campaign in thirteenth place, one point above the relegation playoff spots, and therefore remained in the Lega Pro Seconda Divisione (the rebranded Serie C2) in the 2007–08 season.

Poggibonsi were relegated back to Serie D on 2013–14, after completing their season in 16th place.