The document discusses the commercial management of a company's sales department, including managing a team of sellers, assistants, estimators, and project engineers to implement goals and measure monthly, quarterly, and annual results aligned with shareholders and presidency. It also covers prospecting for new business, searching for new activity niches to expand billing, making strategic decisions for new investments based on national and South American market opportunities, setting the company image in media like websites and magazines to best project the name and work, and constantly searching to broaden partnerships and relationships to facilitate business closure and implementation of recycling with paradigms to break development and growth of revenue.