U-commerce (ubicomp) is defined as combination of e-commerce, m- commerce, e-commerce using interactive digital television as communication media, voice commerce and silent commerce. Each u-commerce element uses positive characteristics of other elements and modifies it according to newer and complexed customer needs. This article describes preliminary study conducted to investigate u-commerce understanding and usage among enterprises in Croatia. Questionnaire preparation and construction as well as study pursuit are described. Study results indicate that degree of u-commerce knowledge and usage is relatively low. In order to answer customer’s needs enterprises should familiarize more quickly with new technologies like u-commerce. Consequently, there is need to use all marketing methods to present current and potential customers all advantage of using new technologies.