ISO 9001 is the most significant system standard worldwide. By implementing it, companies demonstrate their capability to provide products or services that meet customer requirements, comply with legal and regulatory demands, and enhance customer satisfaction. This book introduces the new ISO 9001:2015 and explains in detail all the requirements that are important for everyday business operations. The focus of the book is on a thorough explanation and translation of the actual standard text into the language of daily business. The structure of the book is precisely aligned with the layout of ISO 9001:2015. Additionally, a dedicated chapter provides comprehensive guidance for the certification process, including preparation, selection of a certification auditor and a certification body, as well as audit execution.