EUPHONY is the first group created by ACE ENTERTAINMENT. They are the finalists of 'EUPHONY Survival Show' which started in 2021.
P A S T   M E M B E R S
1. Han [left 2022]
2. Roseanne [left 2022]
3. Sasa [left 2022]
VOUGE is the oldest group created by ACE ENTERTAINMENT. They are the passed trainees of ACE ENTERTAINMENT's audition which started in 2021.
P A S T   M E M B E R S
1. Eiryn [left 2023]
BEONE, formerly BE:ONE is the first girl group created by ONE MUSIC. They are the passed trainees of ONENT Audition which started in 2021. BEONE's members transferred to ACE ENTERTAINMENT due to the disband of ONE MUSIC in 2022.
G-LAND is the first girl group created by ACE ENTERTAINMENT. They are the passed trainees of 'G-LAND Survival Show' which started in 2021.
P A S T   M E M B E R S
1. Jina [left 2022]
BYBI is the first (G)I-DLE concept group created by ACE ENTERTAINMENT. They are the passed trainees of CUBIC AUDITION which started in 2021.
P A S T   M E M B E R S
1. Faa [left 2022]
MAVE is the first ATEEZ concept group created by ACE ENTERTAINMENT. They are the passed trainees of CUBIC AUDITION which started in 2021.
P A S T   M E M B E R S
1. Jiyun [left 2022]
2. Emilea [left 2022]
3. Hwaa [left 2022]
4. Glorylove [left 2022]
MOON is the first ONEUS concept group created by ACE ENTERTAINMENT. They are the passed trainees of CUBIC AUDITION which started in 2021.
P A S T   M E M B E R S
1. Jiyun [left 2022]
2. Emilea [left 2022]
3. Hwaa [left 2022]

consisting of six members ELARA, ZATI, ALTAIR, AIYING, ASWIN [left January 2023] and INJI. They are the passed trainees of CUBIC AUDITION which started in November 2021 and finished in July 2022.