The team immediately entered the LNB Pro B, the national second-tier league, as the club bought the licence of HTV Basket.

[2] The club would play its home games in the Halle Georges Carpentier, waiting for the construction of the Paris Arena II.

The team began in the Pro B under head coach Jean-Cristophe "JC" Prat, who developed an effective style of play, which showcased young players such as Ismaël Kamagate, Juhann Begarin and Dustin Sleva.

[6] In June 2023, Paris signed Finnish head coach Tuomas Iisalo, who had led Bonn to a maiden Basketball Champions League title in the previous year.

[9] In the Pro A, they set a French basketball record with 25 consecutive wins,[10] and finished second after losing to Monaco in the league finals.

[12] After their most EuroCup-winning season, coach Iisalo left the team to sign for the Memphis Grizzlies of the National Basketball Association (NBA).