This article aims to analyze how Brazilian startups are promoting technological solutions for the development of smart cities. The literature review was based on published material obtained through the survey of startups focused on smart cities in the Smart City Report Distrito 2020 digital archive. In addition, searches were conducted in the Scopus, Science Direct, Scielo, and Web of Science databases, using keyword combinations such as "Technology Transfer," "Startup," and "Smart City." The research resulted in 56 papers, but none of them related to startups promoting digital solutions for smart cities in the Brazilian context. From the analysis of Smart City Report data, it was possible to observe that smart cities are becoming an increasingly growing theme worldwide, especially in the context of digital and urban transformation. However, solutions for municipal governance and administration are less frequent, with only 10% of startups directing their solutions to governments, suggesting that the country is still in an early stage of implementing smart cities. Collaboration between companies and municipal governments is essential to achieve more efficient city management. The theoretical contribution of this work helps to reduce the gap in this topic in the academic field, bringing analyses of data from the Brazilian market. Showing socially stimulating business opportunities so that there is digital entrepreneurship in market gaps. Promoting that the city environment is more developed to meet these smart cities.