CTS Eventim is a German company in the leisure-events market, with ticketing and live entertainment, headquartered in Bremen.

CTS Computer Ticket Service GmbH was founded by Munich-based concert promoters Marcel Avram and Matthias Hoffmann on 4 November 1989.

[4] That same year, the company entered into the live entertainment market with the partial acquisitions of several German concert promoters, such as Marek Lieberberg Konzertagentur, Peter Rieger Konzertagentur, Semmel Concerts, Argo Konzerte, FKP Scorpio, and Dirk Becker Entertainment.

[17] In August 2021, the company announced plans to construct Italy's largest multipurpose arena, which is due to be completed in fall 2022.

[needs update][18] CTS Eventim (co-)owns several ticketing companies in 21 countries, using various brands.