Аннотация:Currently there is a lot of research that stresses the importance of customerrelationship management based on the development of e-commerce platforms.However, when we make the transition to the b2b market we are facedwith problems of customer adoption of such systems. Even though we live in adigital era with the recent pandemic forcing the shift to online processes, manycompanies still prefer to deal with real people and company representatives. Theaim of the present research is to reveal and analyze factors that contribute toadoption of e-commerce systems in b2b markets and give recommendations onhow to engage partners in it without losing revenues and clients. The methodologyincludes an analysis of answers of 329 respondents who have used the ecommerceb2b platform in the last 6 months. Data analysis was done with structuralmodeling that helped to understand the main drivers of e-commerce systemadoption.