International audienceIn order to develop their store network beyond their domestic market, retailers have to choose internationalisation modes not only to enter a market but also to expand in this market. Such decisions seem to be based on few certainties as they had enjoyed little interest in the literature so far. In this perspective, this research focuses on the determinants of store networks' expansion mode choice internationally.Based on an exploratory qualitative study, a conceptual model for determining the choice of an expansion mode in retail internationalisation is developed. Then, this model is tested using the PLS approach for path modelin