This textbook introduces students to the unique aspects of organizing and running a business based on new technological foundations within the online environment. It covers key topics such as electronic commerce within market systems, the role of websites as the foundation of online business, internet advertising, trading platforms in the digital space, security in e-commerce systems, payment solutions, financial and credit systems, and current trends shaping the future of electronic commerce. Additionally, it explores strategies for managing companies in the digital marketplace. Designed for students in vocational colleges specializing in field 100701, as well as higher education institutions studying programs 100700, 080500, and 100800, this guide provides essential knowledge for navigating the evolving world of online business.