The main objective of the research is to analyze the contribution that public investment has for business growth and entrepreneurship, taking as evidence the population of Piura that enjoys works already executed, obtaining data co­llected from entrepreneurs who perceived these events as a result of the construction of an Avenue called José Aguilar Santiesteban in the city of Piura. The type of research study was applied as required by the scientific method, which refers to it as a correlational research with a mixed approach. There are about 120 businesses that enjoyed the benefits witnessed, having results that emphasize the determination of the importance of the public sector through investment, for the growth of those studied. They indicated that they agreed with having witnessed important changes regarding the company. The study of different business factors that emphasize growth and entrepreneurship was also included. Proving that, the most important thing that indicates growth and main factor for entrepreneurship is the variation in profits.