The CEO of Pledis Entertainment is Han Sung Soo. In 2007, he took Park Kahi and Son Dam Bi to create Pledis. They had no building nor an office, only a practice room.
Pledis Entertainment held auditions in San Francisco and Los Angeles in 2011. Through these auditions, they hoped to meet highly inspired and talented people.
In 2010, Pledis debuted a sub-unit of After School, Orange Caramel. Pledis artists came together for the first time for the Happy Pledis 2010 album. The first Happy Pledis Album was released on 6 December 2010 and consisted of 4 tracks; "Love Love Love" as their album single, "Someone Is You" and 2 instrumentals of the two songs. Pledis had planned a series of "Happy Pledis" albums with their artists After School, Son Dambi, and Orange Caramel as a surprise gift for the fans. A portion of the profits from the "Happy Pledis" albums would be donated to the “Save the Children” organization.
In 2011 after their comeback After School split into two sub units; A.S. Red & A.S. Blue. They both debuted at the same time. Happy Pledis 2011 was released in December. A portion of the Happy Pledis 2011 earnings was donated to UNICEF to help look after those in need, and the album is also a gift to the fans who have shown the artists so much love and interest.
The album included Son Dambi, After School, NU'EST, Pledis Boys, and Yoo Ara of Hello Venus. On March 15, 2012, Pledis debut their first boy band NU’EST. In 2012 Pledis' second girl group Hello Venus debuted on May 9. In June 2012, Kahi graduated from After School but will remain with Pledis as she pursues a solo career.
In 2014, Jooyeon's contract with Pledis Entertainment expired and she announced her graduation from After School that same day.
In 2015, Jooyeon signed with new management agency Better ENT, take her new steps as an actress. Kahi also left the company in the same month. Also a 13-member group Seventeen held their debut showcase and Son Dam Bi left the company after 10 years.
- After School (애프터스쿨) (Official color: Yellow)
- NU'EST (뉴이스트) (Official colors: Dark Teal and Vivid Pink)
- Seventeen (세븐틴) (Official colors: Rose Quartz and Serenity)
- Pristin (프리스틴)