It was founded in 1960 by the late TV producer Tomio Sagisu (also known as Soji Ushio).

Perhaps their most famous creations are Osamu Tezuka's Ambassador Magma, one of the first tokusatsu series dubbed into English and aired in the United States, and the three series that make up the unique Lion-Maru franchise, featuring anthropomorphic lion samurai battling evil in feudal Japan.

Most of P Productions' film and television projects, like Ambassador Magma for example, features animation sequences created with matte paintings by Yoshio Watanabe with Tomio Sagisu himself, and termed in Japanese as "composited drawings" (合成作画, Gōsei Sakuga) or "drawing synthesis" (作画合成, Sakuga Gōsei).

[1][2] On August 21, 2024, after almost 18 years after Lion-Maru G the company ceased producing tokusatsu series.

P-Pro subsequently announced that they had successfully sold the intellectual property of all their tokusatsu works to Khara, Inc..[3]