The paper examines the practical usefulness of information technologies in business reviewing electronic business concepts provided in science literature and also the newest tendencies of electronic business development. The paper offers a review of various authors works on e-strategies and IT influence on companies’ functionality. An analysis of disadvantages in various electronic business development models is provided. On the basis of analyses done on the theory of electronic business development and on disadvantages of e-business models, the main aspects of e-business development as sustainable competitive advantage are identified. A fully – formed model of electronic business development as sustainable competitive advantage is presented. Conclusions are provided.

Article in Lithuanian