For the German Federal Ministry for Economic Cooperation and Development (BMZ), there can be no sustainable development without sustainable economic development. Ensuring that those in need have access to high-quality and low-cost medicines is only one part of the solution to the manifold health-related issues that millions of people must deal with on a daily basis, but one of great importance. This guide focuses on the role of pharmaceutical companies in enhancing access to medicines for poor people in developing countries and emerging economies. It showcases several excellent examples of innovative entrepreneurship in the health sector.