This article addresses the need to deregulate management consultancy in Brazil, arguing that such a measure would boost innovation and competitiveness in the sector. Current regulations are considered outdated and restrictive, preventing significant progress and negatively impacting the sector's benefits in the Brazilian economy, given the limitations arising from the rules in force. The text highlights the historical evolution of consultancy in the country and the need for laws that keep pace with market changes. Current regulatory rigidity is seen as an obstacle to adapting to modern demands. The proposal for deregulation, in line with international practices and emphasizing self-regulation by professional associations, would make it easier for companies to adapt to market needs and client demands. This would allow the adoption of the best international practices, increasing the global competitiveness of Brazilian companies. Self-regulation, with ethical and quality standards, would promote best practices, recognized by clients and society. The inclusion of international standards would increase innovation and excellence in the sector. The article also emphasizes the importance of diversity of ideas and practices for the global competitiveness of Brazilian management consulting firms, suggesting that deregulation would allow for fairer competition between firms of different sizes and specialties. Deregulation aims to align the sector with global trends, benefiting clients and contributing to a more dynamic and competitive sector. It also highlights the need to review or repeal relevant legislation that currently negatively affects the consulting sector, proposing professional advocacy actions.