Today, we observe a continuous expansion in the use of Internet technologies, mainly Web services, for electronic B2B transactions. This has triggered an increase in the number of companies' Web services registries. In this context, Web service discovery can be a cumbersome task for a service requester and a costly one for a discovery system. To deal with this issue, one obvious solution is to group Web service registries into communities. Due to the dynamic nature of services oriented environments, such an organization should be managed to maintain its organizational consistency. In this paper, we specify the needed management operations to ensure the communities consistency during a registry/community life-cycle. To test the feasibility of our management approach, we simulate a network of registry communities and develop a community manager.