The need for analytical solutions towards various managerial processes in shipping business has been clearly seen in maritime society. To remedy this gap, the execution of relevant processes can be supported via multiple criteria decision-making (MCDM) techniques. This article applied an Integrated Decision Aid (IDEA) to overcome the model selection dilemma for process improvement in shipping business. The illustrative application of the IDEA makes invaluable contributions for the ongoing efforts of relevant executives on adopting modern management style in shipping business. Furthermore, the outcomes of this study encourage the maritime practitioners towards analytical modelling of managerial processes in shipping business cycle.