This article is about ongoing efforts to come to grips with the question: Does relationship marketing pay? The question is discussed under the umbrella concept return on relationships. Much of what is being done in relationship marketing and customer relationship management has a bearing on both business‐to‐business and business‐to‐consumer marketing, and on manufacturing as well as services. Although there is a shortage of empirical research and proven practice, the article aims to show current efforts to generate knowledge of return on relationships, with particular emphasis on business‐to‐business environments. The article ends with action strategies to improve return on relationships, and a summary of conclusions.