The sports society ceased to exist in 1949, with its football section becoming independent on 5 March 1949 and renaming itself to Sportclub Rheindorf Altach.

After two wins against Portuguese club Vitória de Guimarães with 6–2 aggregate score, Altach advanced to the play-off round.

Red Bull Salzburg's cup win over Rapid Wien, however, ensured that Rheindorf Altach once again made the Europa League qualifiers the following season.

[8] In the first qualifying round of the 2017–18 UEFA Europa League, Altach beat Georgian club Chikhura Sachkhere by 2–1 on aggregate.

[10][11] In the play-off round, they narrowly failed to beat Israeli club Maccabi Tel Aviv with an overall score of 3–2.

[14] After two weeks with Wolfgang Luisser as interim coach, former Rheindorf Altach player Alex Pastoor took over at the end of the month.

[15] Under the Dutchman, the Vorarlberg side stabilised again and finally managed to stay in the league at the end of the season, eight points ahead of relegated Wacker Innsbruck.

[20] In addition it came forward in December 2021 that key players Atdhe Nuhiu and Jan Zwischenbrugger had rallied against manager Canadi, initially without his knowledge, and had tried to change the team tactics internally.

At the end of the season, Magnin activated a release clause in his contract and left the club to join Lausanne-Sport.

[25] Schmidt secured the team's top-flight status on the penultimate matchday, but he left the club voluntarily at the end of the season.

As a result of promotion to the Austrian Bundesliga, the stadium was further expanded, and in winter 2007 a new west stand was built and the capacity increased to 8,500 spectators with 3,000 seats, with the name being changed to Cashpoint Arena for sponsorship reasons.

The following clubs are currently affiliated with Rheindorf Altach: Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.