The working paper analyses the role of the advisory board as a key tool for professionalising decision-making and advancing towards a model of good governance in family businesses. The publication highlights the importance of evolving from intuitive governance models towards more deliberate systems capable of improving the quality of strategic decisions, anticipating risks and preparing the future of the company. It also addresses aspects such as the differences between an advisory board and a board of directors, the criteria for designing an effective advisory board, and the evolution of governance in family businesses through different practical cases and application examples.