Currently, business organisations face a problem how to cooperate on a case to case basis. Participating in temporary flexible business networks can provide a competitive advantage in the global market. The aim of the FP7 ICT EU project SPIKE is to design and implement a system that enables to support (in a technical way) a collaboration of business partners in a temporary business alliance involving the technical set-up of the alliance, running, and final closing-down of the alliance. The focus of the presented paper is on a designed architecture enabling different types of collaborations among business partners.