Efficient project management in the GMP area is essential for conversions and expansions in existing cleanrooms and in the GMP environment. Companies face numerous challenges, from complying with strict rules and regulations to minimizing business interruptions during the conversion. Guaranteeing continuous production and ensuring cleanroom classes are key areas of responsibility. In this presentation, we will look at how a typical project is structured and what challenges and pitfalls need to be considered to ensure an efficient and successful process.