Center City Opera Theater (CCOT) is an opera company based in Philadelphia, Pennsylvania. Founded in 1999, CCOT is the only professional opera company in the United States whose mission is the creation of new opera works, guiding works from inception to stage through a series of workshops. CCOT performs at numerous intimate-setting venues throughout the Greater Philadelphia area, though its mainstage performance home is the Perelman Theater at the Kimmel Center for the Performing Arts.