Learn how design systems and documentation can revolutionize agency growth and client retention in this 49-minute conference talk from DrupalCon Lille 2023. Explore the shift from monolithic websites to agile, efficient, and resilient business models. Discover the power of investing in pre-development processes and how design systems can create a unified foundation for brand identity. Understand how a shared library of documentation facilitates communication between designers, developers, and other stakeholders. Gain insights into using design systems to expand your agency's business while fostering stronger client relationships. Examine the benefits of comprehensive documentation in meeting stakeholder needs, providing clear style guidelines, and enabling code reusability. Learn strategies for building long-lasting partnerships that can withstand evolving business landscapes.