EN
Virtual organisation (VO) is an answer to highly turbulent and competitive environment and growing customers' needs. The theory of virtual organisation is still evolving and being systematized, similarly to the practice. Determination of conditions and circumstances fostering success of VO is a priority issue. The outcome of the authors' research shows that trust management plays a key role in VO management. The article presents the results of research on key success factors among virtual organizations based on cases from Swedish and American cultures.