This book is a response to a need in the market place in the fast-growing field of customer profitability analysis and the profitable management of customer relationships. It combines innovative approaches to calculating the value of customers, with the management strategies necessary to make and keep customers profitable. It includes easy-to-follow instructions on how to calculate customer profitability, including worked examples (non-technical) and discusses strategies and their applications for organizations to manage customers profitably. Based on cases and feedback from the KAM Club and other research, there will be many business-to-business as well as business-to-consumer examples. The book assumes some level of numeracy in its readership. The contents include: Assessing product costs, costs to serve and how these can be estimated, and how to deal with customer-specific overhead costs.