TS Entertainment was founded by Kim Tae-song in October 2008. The company signed Untouchable as their first artist and released their debut single "It's Okay" in the same month. In October 2009, TS Entertainment officially debuted the four-member girl group Secret. They were first introduced to the public through the reality show Secret Story on Mnet. On October 13, 2009, Secret's debut single "I Want You Back" was released. In July 2011, TS Entertainment established themselves outside South Korea through the formation of TS Japan in Tokyo, Japan. In January 2012, TS Entertainment debuted a six-member boy band named B.A.P. The members were introduced in a documentary show, Ta-Dah, It's B.A.P which first aired on SBS MTV Korea on January 8, 2012. On December 29, 2014, TS Entertainment debuted a seven-member girl group named Sonamoo. On October 10, 2017, they debuted boy group TRCNG. On April 28, 2018, TS Entertainment's CEO and founder Kim Tae-song, died.
Legal issues
B.A.P's lawsuit
On November 27, 2014 the six members of B.A.P collectively filed a lawsuit against TS Entertainment in order to nullify their contracts, claiming unfair conditions and profit distribution. The following day, TS Entertainment issued a press release refuting the claims made, stating that "there have been neither such maltreatments to the artists nor unfair clauses in the contract". On August 1, 2015, B.A.P. returned to TS Entertainment as both parties reached a settlement.
Jieun and Hyoseong's lawsuit
On February 28, 2018, It was reported that Jieun and Hyoseong had legal disputes, by on 2017, Jieun submitted the request for the Korean Commercial Arbitration Board, following this, Jieun results announced her departure from Secret and the company, so she took her post from her via Instagram. On March 5, Hyoseong was first to fill a civil lawsuit, in order to terminate from her contract and her company, later she also announced her departure from Secret, and for this the agency had sent to Jun Hyoseong, the contract of the company will be valid to the ends of terms, following to the departures of TS Entertainment, effectively ending Secret.
Sleepy's lawsuit
On September 14, 2019, it was revealed that Sleepy of Untouchable had filed a lawsuit to terminate his contract with TS Entertainment, citing lack of trust after they refused to show him payment documents and a physical copy of his contract. Sleepy also said that he did not receive any payment for his activities until 10 years after his contract was signed.TS later denied these statements, saying all of Sleepy's claims were "false" and that he embezzled funds from the company, which Sleepy denied. The next day, it was announced TS Entertainment was forwarded to prosecution for overdue payments of artists.
Sumin and Nahyun's lawsuits
On September 23, 2019, it was announced that Sumin and Nahyun of Sonamoo were filing a lawsuit against TS Entertainment to terminate their contracts after the company failed to end their contracts following the two sending TS Entertainment certifications of content back in May. TS Entertainment released a statement on the same day, claiming that the two members suddenly "cut contact" with the company and group after the documents were sent. The statement also announced Sonamoo would continue as a five member group.
Wooyeop and Taeseon's lawsuit
On November 4, 2019, TRCNG members Wooyeop and Taeseon sent a certification of contents to terminate their contracts with TS Entertainment while also filing a criminal complaint against the company, accusing company executives and employees of child abuse, criminal battery, and extortion. They alleged that they were forced to practice choreography from 5pm until 5am, only to have to work again at 10am. While under the age of 18, they allegedly were forced to live in a dorm with no proper meals being provided with the dorm also allegedly having problems with electricity often being cut out and broken air conditioners, plumbing and water purifying systems. Wooyeop also alleged that he was once beaten using a metal chair by Yoon, the head of TRCNG's choreography team. Taeseon also alleged that he was regularly beaten from the moment he became a trainee.
