This study sought to present the theme “Digital Marketing: an essential tool for the company's profitability”. With the technological era increasingly present in the lives of the population, the way to publicize the company also had to be updated, thus Digital Marketing was gaining ground. The general objective of this article was to discuss digital marketing and its role in business innovation. The methodology used was a literature review, where different materials already published on the subject portrayed here were searched in reliable databases. Thus, this research concludes that digital marketing allows a greater portion of potential customers to be reached, thus increasing sales, improving communication with customers and, consequently, increasing the company's popularity and profitability.