The company is home to artists including Younha, Lee Seok Hoon, CIX, Poetic Narrator, and Epex.

[1] In July 2015, Wealive-Alive merged with indie label Realive and then officially launched their company, C9 Entertainment.

In November 2019, C9 began promoting their upcoming girl group C9 Girlz and announced its first member, Jeewon (formerly Jiwon), originally part of Good Day.

[15] On February 4, 2020, Cignature made their debut with the single "Nun Nu Nan Na".

In March 2021, C9 began introducing the members for their upcoming eight-member boy group C9 Rookies, later renamed as Epex.