The COVID-19 pandemic period has seen an increase in the global demand for online retailing which has in turn triggered the growth of parcel delivery services in countries such as South Korea. A new market segment, which among others is constituted from the growing number of foreigners from China, East Asia countries, and the Commonwealth of Independent States (CIS) can be seized by service providers who manage to build and apply a proper strategy taking into consideration customer needs to improve service quality, strengthen corporate reputation, increase customer satisfaction level, gain more loyal clients, boost the rate of repurchase, thus, increasing sale volumes. This paper intends to make an overall assessment of the service quality in the field of parcel delivery services in Korea and also reveal if different consumer groups based on ethnicity and gender demonstrate obvious differences in consumer behavior. Structural equation modeling is employed to reveal cause-effect interactions between constructs while differences between the groups are analyzed via multigroup analysis. Additionally, IPMA methodology is used for proposing strategies to improve the performance of repurchase intention (target construct). Based on the findings, customer satisfaction possesses the highe...