In the personal context, effective financial management is a crucial skill for ensuring economic stability and making well-informed financial decisions throughout life. In the organizational context, financial management is one of the most important factors in maintaining a company's success, regardless of its market or size, as it enables the management of all the business's resources and facilitates the strengthening and growth of the enterprise. Based on this understanding, this book was prepared considering the basic theory of personal and business financial management, taking into account the consumption profile of people from different generations; the new consumption habits acquired with the advance of the internet and social networks; and the financial models of technology companies from Silicon Valley.