The study reviewed the regulatory framework of the necessary permits for investment projects in Chile’s five main economic sectors: mining, energy, real estate, infrastructure, and industry. Through 65 findings, the research warns of two main problems: low efficiency in granting permits, resulting in extensive processing times, far exceeding the norms, and a decreasing perception of legal certainty. It proposes 108 recommendations framed in a regulatory and administrative simplification strategy, along with creating an entity focused on the quality of public policies.