The dependence of the number of the logistics activities received to be performed by the service provider on the
assessment of service quality is researched through quantitative assessment of the values of the third hypothesis
(H3). This hypothesis would confirm that the logistics service, while providing quality services, would achieve
greater customer confidence and concentrate in its hands the performance of all potentially relevant services, thereby
creating a competitive advantage, minimizing competition risk and ensuring client loyalty. The initial data obtained
from the questionnaire after the consumers evaluated the logistics service quality and the distribution of logistics
services’ performance among partners (Fig. 3). The criteria calculations and evaluation performed with the help of
SPSS software allow you to accept this hypothesis as correct. The service provider, concentrating in the internal
environment the growing number of performed operations, may expect economics of scale as well which also
increases the competitive advantage, further reducing potential competition