What distinguishes mediocre companies from high-end ones? Perfect service from A to Z. Top consultant Sabine Hübner demonstrates practically and in relation to the specific situation of companies how optimal service permeates all areas. And indeed, one is never truly perfect! There are always opportunities for improvement: in handling customer requests, in internal and external communication, and so on. The book provides many concrete examples of a lived service culture and demonstrably satisfied customers. It also evaluates the economic viability of the services provided.