The consumer profile has undergone evolutions and transformations over the years due to the evolution of new generations of individuals, such as Generation Y. Social media has revolutionized the way in which consumers can search and find information about products in general, which has impacted how brands relate to their consumers. In this context, this study tries to understand how digital influencers are being used to influence Generation Y in the consumption of banking services from fintechs in Brazil via social media platforms. The specific objectives include profiling these consumers, identifying the most relevant influencers, and measuring the impact of influencer marketing. The results pointed to Generation Y’s preference for mobile applications and personal recommendations when making decisions to purchase financial products. Fintechs stood out for the agility and autonomy they offered, as well as for being on the forefront in leading practices, innovations, and product offerings that drive sustainability forward. The study concluded that digital influencers play a crucial role in the awareness phase, but additional factors influence Millennial consumption decisions, highlighting the complexity of the decision process.