Abstract. The deployment of agent societies —as complex systems— in dynamic and unpredictable settings brings forth critical issues concerning their design. Organizational models have been advocated to specify open systems in dynamic environments in order to accomplish the need to represent regulating structures explicitly and independently from acting components (or agents). Despite the fact that several frameworks have been proposed for the specification of organizational models, it is still a matter of design choice how to balance between regulative design and component flexibility. We propose a design framework, discussing the advantages of having different degrees of abstraction at organizational level in the development of agent societies. That is, we illustrate how the design properties impact the flexibility of run-time systems to cope with context changes. We adopt the OperA software engineering methodology to deal with the organizational model specification, and the M...