The company was founded as Editorial Planeta in 1949. José Lara Hernandez is the founder of the company.
Planeta owns over 70 publishing houses worldwide. It publishes the newspaper La Razón. Besides publishing, the group operates in the areas of collectibles, training, direct marketing, distance learning, and audiovisual media. With its purchase of Editis in 2008, it became one of the largest publishers in the world, with over 1 billion dollars of revenue that year.