The literature on organization design has been dominated by descriptive models in its dealing with structure and operations. This paper takes an alternative view advocating the use of a normative model to be used in the design of service organizations. This model sees the extent of customer contact with the service organization as a major variable affecting system performance and advocates reconfiguring the structure of the service organization to reflect this impact. The discussion describes a taxonomy used to classify firms along the contact dimension and develops 13 propositions which convey critical distinctions between high and low contact services. Application of the model for managerial decision making involves the use of decoupling and the paper identifies factors which favor/disfavor decoupling in light of existing and desired service delivery objectives.