O Negócio (transl. The business) is a Brazilian drama television series created by Luca Paiva Mello and Rodrigo Castilho, and written by Fabio Danesi, Camila Raffanti and Alexandre Soares Silva. It was produced by HBO Latin America in partnership with Mixer.

The series follows the lives of Karin, Luna, Magali and Mia, high-class call girls who stand out in the market. They have put in practice various marketing strategies that they have learned and, with this, not only conquered space in the market but also created the successful company "Oceano Azul".