The club moved to the professional Scooore League, the first tier in Belgium, for the 2013–14 season.

Excelsior received a C-licence, which allowed them to play with a lower budget in the league.

[8] In march 2023 Brussels announced that head coach Jaumin would be replaced by Serge Crèvecoeur for the 2023-2024 season.

[9] In early 2023, Belgium adopted a new law prohibiting the promotion of gambling.

Owned by the municipality rather than the club, this has historically led to scheduling conflicts, affecting the teams' training sessions.

In the 2020–2021 season, the team made a temporary move to the venue for all games from December 2020 to April 2021.

[14] Due to sponsorships and other reasons, the name of the club has frequently changed: Note: Flags indicate national team eligibility at FIBA-sanctioned events.