Before his contract with Kennis Music expired in 2007, he had already released four albums with them. On leaving Kennis music, he partnered with Baba Dee to start Naija Ninjas. Naija Ninjas is a parent company for a record label, production outfit, and clothing line.

Although Sound Sultan commenced his music career as a rapper, he later diversified into different music genres. He sings R&B, Afrobeat, Soul, and Fuji.

Sound Sultan believes music artists should not be judged based on their music genre, because the message of the song is the most important thing

He worked with Wyclef Jean, 2face Idibia, and Faze on Wyclef’s Welcome to Haiti: Creole 101 album. After this album, Sound Sultan and Wyclef jean has collaborated on two other projects, King of My Country in 2009, and People Bad in 2012.

He became a UN Ambassador for Peace in 2012, owing to his exemplary lifestyle and career.