High Quality Content by WIKIPEDIA articles! The Ultimate Fighting Championship (UFC) is the largest mixed martial arts (MMA) promotion company in the world that hosts most of the top-ranked fighters in the sport and produces events worldwide. Based in the United States, the UFC has seven weight-divisions and enforces the Unified Rules of Mixed Martial Arts.Dana White serves as the president of the UFC while Frank and Lorenzo Fertitta control the UFC`s parent company, Zuffa, LLC.