A sub-unit of After School called Orange Caramel was formed in 2010, consisting of members Nana, Lizzy and Raina.

Some of the pre-debut team members Nayoung, Roa, Yuha, Eunwoo, Rena, Kyulkyung and Xiyeon had competed in the survival show Produce 101 and concluded the show with two members, Nayoung and Kyulkyung, debuting in the survival project girl group I.O.I.

Before their debut, Pledis Girlz held concerts which the members performed weekly from May 2016 until January 2017 and also released their pre-debut single titled "WE",[20][21] with the exception of Nayoung and Kyulkyung, who were still promoting with I.O.I at the time.

In January 2017, Pledis Girlz concluded their weekly concerts with the announcement of the official group name Pristin, following Nayoung and Kyulkyung wrapping up their activities with I.O.I in the same months.

In June 2018, it was confirmed that After School member Kaeun and Huh Yunjin, a Korean-American trainee, would participate in the survival show series Produce 48.

[24] Pledis announced that while Kyulkyung, Yehana, and Sungyeon would stay with the company, the remaining seven (Xiyeon, Rena, Roa, Kyla, Nayoung, Yuha, and Eunwoo) would be departing.

[32] On October 18, 2020, Fair Trade Commission officially approved Hybe Corp.’s acquisition of Pledis Entertainment.

[34] On March 31, 2021, the official website of Pledis Entertainment in its Company section changed its physical address to the new building in Yongsan, Seoul.

[39] It was also announced that members Aron, JR and Ren will leave the agency at the conclusion of their contract, while Baekho and Minhyun opted to renew.

[40] With the news of their contract expiring, the NU'EST members confirmed the group's disbandment through handwritten letters to their fans, announcing their decision to go their own separate ways.

[46] Pledis Entertainment CEO and Producer Han Sung-soo spearheaded the production for TWS' debut extended play Sparkling Blue, which was released on January 22, 2024.

[49][50] Aiming to establish "boyhood pop" with Sparkling Blue, the EP was led by the single "Plot Twist", which discussed the "thrill of a first encounter".

[51] On November 29, 2024, Pledis announced that Fromis 9 would be parting ways with the agency following the expiration of the members' contracts on December 31, 2024.