Benchmarking is considered a must for modern management. This book presents an approach to benchmarking that has a solid mathematical basis and is easy to understand and apply. The book focuses on three main topics. It shows how to formalize the representation of benchmarking objects. Furthermore, it presents different methods from decision making and voting and their application to benchmarking. Finally, it discusses suitable features for different benchmarking objects. The objects considered are taken from IT management, but can be easily transferred to other business areas, which makes the book interesting for all practitioners in the management field.