The aim of this thesis is to address the role and scope of work of European Maritime Safety Agency (EMSA) since its founding in 2002 until today. Based on the overview of its activities, the way it operates and develops systems and the results of its activities, a conclusion has been reached on the importance and significance of the this agency. EMSA has the task of offering technical expertise and operational assistance in the field of maritime safety, pollution preparedness and remediation measures and security in maritime operations. In this paper, it is indicated out the complexity and comprehensiveness of the system and its operation. Today, without such an organization, it would be difficult to react in a timely manner in the event of marine and coastal pollution, especially without the appropriate technological equipment of the staff and vessels. This thesis is analyzed the organization and activities of EMSA, its role in the maritime safety system, with special reference to the role in maritime accidents In this time of constant progress in maritime transport and constant increase in the number of target markets, the goal of asctivity EMSA is to reduce the impact of the human factor in accidents, and to create a far more reliable network of systems that will enable accurate real-time decisions based on accurate data and thus reduce the significant impact of human error.