A big part in the various promotions from regional amateur levels to professional tiers played the successful under-17 team, which won the German championship in 2011.

[1] After promotion to the Bundesliga Neckarsulmer Sport-Union was fighting against relegation for their first three years in Germany's top tier but eventually managed to stay in the league.

With coaches Pascal Morgant and Tanja Logvin at the helm, the team established itself in the following years as a solid force in the Bundesliga with a sixth-place finish in the 2020-21 season, the best result to date.

Sport-Union Neckarsulm play their home matches at the Ballei-Sporthalle, a multi-purpose arena which hosts up to 1,500 spectators (standing and seated).

The Blaue Wand arranges away day travels as well as meet-and-greets with players and staff and is also heavily involved in the organisation of home matches.