In today’s business world, many global companies located in different countries or even continents aim to use one single SAP system. Many of these projects are not done in “one take” but are spread to a relatively long period, moreover even after finalization of this process mergers and acquisitions create the need to add new companies to the system. Taking aboard each company at a time is commonly known as a Rollout Project. Here is a short summary of how it is usually done: