The topic of this paper refers to the possibilities of applying digital business technology in maritime companies. The chapters focus on the concept of digitalization in the maritime industry, and the research section discusses its application to international maritime companies, as well as companies in the city of Split. The second chapter discusses the basic units of digitization. The concepts such as digital transformation are considered, the platforms of digital business technology are reviewed, the challenges of digitalization, digital twins, as well as the very foundations of the concept of the Internet of Things (IoT) are introduced. These digital business technologies are further linked in the third chapter with the maritime industry, where the standards of digitalization in the maritime sector, its advantages, opportunities to improve costs during operational upgrades within the maritime business, and digital twins with examples of their use in the maritime sector. The second part of the paper examines the possibilities of applying digital business technologies in international maritime companies, as well as companies in the city of Split.