In 1999, entertainment company SidusHQ introduced the future members of boy band G.o.d to Park, as their producer and mentor.

In cooperation with SidusHQ, JYP Entertainment oversaw the formation of g.o.d, which would make their debut appearance on January 13, 1999.

[9] In December 2000, JYP Entertainment signed Rain as a trainee, who made his debut two years later in May 2002.

[14] Other notable artists that debuted under JYP Entertainment, from the years 2000 to 2005 include Park Ji-yoon, Byul, Lim Jeong-hee, Ryanga Rhanga [ko], and Ivy.

[18] In 2008, the competitive reality series Hot Blood Men was created, pitting two teams of male trainees against each other for the chance to debut.

In that same year, the Creative Artists Agency included JYP Entertainment in its roster of high-profile clientele.

[18][26] The subsidiary AQ Entertainment was later formed and introduced the Chinese-Korean girl group Miss A.

[20] In August, JYP Pictures and Dongyang World Culture Communication produced the drama Dream Knight, starring Got7 members.

[41] Season three K-pop Star winner Bernard Park signed a contract with JYP Entertainment to start his solo career, and making his debut on October 6.

[43][44] The subsidiary Studio J was formed on January 9, 2015, in line with JYP Entertainment's goal to "promote free and deep artists that create authentic music rather than appealing to the mainstream demand."

In July 2017, JYP Entertainment acquired a property worth 20.2 billion KRW in Seongnae-dong, Gangdong District, Seoul to be used as its new office.

[63] On March 26, a new boy group Stray Kids debuted, named after the 2017 reality show of the same title.

On January 29, plans of creating a Japanese girl group, under their vision "JYP 2.0: Globalization By Localization" was announced.

JYP Entertainment would distribute both digital and physical releases to key markets in the internationally through The Orchard in order to "expand the label's presence around the world.

Under the agreement, the company would be carrying out various social responsibility activities with its artists, employees and fans in order to support campaigns and initiatives for children with incurable diseases.

[78] On August 4, a collaboration with SM Entertainment to establish Beyond Live Corporation, a joint company for virtual concerts was announced.

[79][80] On November 17, JYP Entertainment invested 5 billion KRW in Naver Z, the developer of the online avatar app Zepeto.

[82] On April 26, JYP Entertainment and P Nation announced to form their new boy group in Loud.

A2K led to the formation of the group Vcha, a joint venture between JYP Entertainment and Republic Records.

[93] In the second season of Nizi Project, it concluded with the line up for the group Nexz – a joint venture with Sony Records Japan.

[95][96] In August 2024, Innit Entertainment was established – the company's management subsidiary for actors and artists.

[101] On April 5, 2017, Ocean Music and JYP Entertainment jointly established the Beijing Xin Sheng Entertainment Co., Ltd. for indoor recreational facilities operation, organization of cultural and artistic exchanges, film and television planning, and other aspects of cooperation.

A few months later, Park Jin-young, Jackson Wang, Fei and a 10-year-old JYP Chinese trainee went to China to record a roadshow-style audition show to recruit more trainees with the goal of creating a hip-hop oriented Chinese boy group.

The name of the show was Guaishushu Is Coming, and the concept was to travel across different cities with large-scale auditions and then have a final round to select the members who will be trained in Korea.

[103] During the COVID-19 pandemic, JYP Entertainment donated US$410 thousand to the Community Chest of South Korea on February 28, 2020.

[115] On March 8, 2022, the company made a donation ₩300 million to the Hope Bridge Disaster Relief Association, to help the victims of the massive wildfire that started in Uljin, Gyeongbuk which had spread to Samcheok, Gangwon.

[116] On February 12, 2023, the company donated 500 million won through World Vision International, to help the aftermath of the 2023 Turkey–Syria earthquakes.