Development in infrastructure limits the communication gap, speedy travel and low cost tariff barriers as well other drivers of globalization have made overseas markets easier to get small firms and gave more opportunities to SME´s internationalize. The market entry mode choice or selections have strong effect the success or failure of the company. For instance an insufficient or wrong entry mode selection can decrease opportunities and limit important choice for the firm and could lead to high financial loss as well as lose control on overseas market. The purpose of research study is to provide a deep and better understanding of the factors those effecting SME´s selection of market entry mode. Research question how can the influence of internal and external factors on the selection of market entry mode. A frame of reference led to the building of summary which in turn became the basis for data collection. Two qualitative case studies for Pakistani SME´s namely socks knitter Pakistan and RK International were undertaken. The main findings shows the clear link between the theories claim to be internal and external factors influencing market entry mode choice between SME´s.