EJB components differ from Spring beans on the technical background whereas their concept is quite similar. The technical diversity might be an issue when composing dependencies between these two bean types. The purpose of this post it to give an idea to design solutions based on a mutual EJB and Spring beans interoperability. There are taken into account two main concerns: accessing EJB components from Spring beans and accessing Spring beans from EJB components. The post introduces technical aspects referring to a simple enterprise application implementing beans cooperation.