The article presents structural changes in liner shipping sector, as many global Container shipping lines are opening their own agencies and many independent shipping agents are consecutively closing down their activities, either via takeovers or by going out of business completely. The process of horizontal and vertical integration in shipping industry is re-shaping the entire logistics industry. Such changes put pressure on shipping agents to redefine their market role and develop services with added quality, and relationships with actual and new principals. They are forced to seek for new ways to make income therefore they are forced to perform additional roles, in order to satisfy carriers on one hand, and usually just a few clients, on the other. A market analysis in Slovenia has been performed among companies offering ship-port services, with focus on comparison between independent agents and Container Line offices. It has been ascertained that independent shipping agents must implement the new strategy which is closer to a forwarder’s mentality and market role.