The scientific goal of this article was to confirm the thesis that efficient complaint management

can be one the company’s competitive advantage elements of in the sphere of logistic

customer service. The theoretical part of the article presents basic foundations related to

complaint management process as an important element of post-trade sales process in customer

service. The research part presents an example of the implementation of efficient

assumptions of the complaint management process on the example of a construction industry

manufacturing company. Guidelines for the design and implementation of an effective

and efficient complaint handling process are presented. An example of process analysis is

done using appropriate quality tools.