This white paper delves into the fundamentals of Agile methodologies and their importance in software development and project management, specifically for small businesses. It covers the history, benefits, core principles, and values of Agile and provides insights into the most popular Agile methodologies used by small businesses. The twelve principles of Agile are explained, along with practical examples of implementing Agile in practice. The paper concludes with a guide on implementing Agile in small businesses and provides additional resources for further reading.