Many people are surprised to learn the full extent of the costs of poor quality in all aspects of business. This article explores how the cost of quality in management work affects the relationships with key stakeholders, managers and customers. In doing so, it overviews how fit-for-purpose project communications provide each stakeholder with the information he or she needs. It lists four consequences of failing to provide quality information. It then identifies two sources of cost associated with quality in communication and stakeholder management: losses experienced because of poor quality or failure costs and investments made to improve quality or prevention costs.