It previously represented boy group The Legend, Eun Ji-won and Gilme.

In June 2015, the company was merged with JKSpace Entertainment, under which K-pop boy band The Legend was signed.

Following the merge, Eun Ji-won, Gilme and The Legend continued to promote under the new company, SS Entertainment.

[3] As of May 2016, Eun Ji-won and Gilme are back to being officially managed by GYM Entertainment.

Their legal representative stated that their contracts are excessively long and its scope too broad that it affects their freedom regarding economic activity.