The purpose of this paper is to investigate the implementation of IT project management office within big companies with logistics organizations, describe situations before and after implementation, identify best practices for managers and indicate directions of further research. A case study method was used, with two companies selected and operating in central Poland. The procedure of data gathering included: participative observation, not structured interview and analysis of documents. The first company has implemented IT project management office as a tool necessary to improve existing ERP system and prepare organization for the future migration to the new, more advanced ERP software. Second company started the journey of defining and implementing IT project management office as a way to manage coexistence of two warehouse management software’s solutions. Two warehouse management software’s were to be compared in terms of flexibility and time of response to changes of dynamic retail environment. This paper studied just two companies and it is not intended to be representative of outcomes at all companies implementing IT project management office within the logistics organizations. Further studies are required for a more generalized picture of IT project management office implementations in companies localizes in Poland. This paper strengthens the link between practitioner and academic literature by providing empirical evidence of the presence of IT project management office within companies declaring necessity of development in logistics areas. In the paper best practices concerning management of changes and projects in IT are presented and no-tions that could be used for further research are indicated.