Michael Porter's Five Forces (1979) Model of competitive position helps Primark to analyse its competitive position in the industry. Cost leadership strategy helps Primark to create barrier for new entrant to sell same products at lower price. Primark imports from Asian countries where cost of production is very low and buying in bulks help Primark to improve its Bargaining power. On the other hands, bargaining power of the customers is not very strong because no other retailer is selling trendy and fashionable products at such a low price. So all this help and provide a platform to Primark for expansion both gaining market share and entering into new markets.PEST analysis can be used to examine the factors affecting on Primark's external Environment. All four factors have a considerable impact on Primark's environment. Political factors such as labour law, environmental, trade restrictions, tariffs, tax policy restrict Primark to operate within the limits. Economic factors such as interest rate, inflation rate, exchange rate, economic growth and disposal income affect Primark business operation and day-to-day decision-making. Social and cultural factors help Primark to take into account trends, fashion, growth rate in population, age, gender etc. Finally, technological factors helped Primark to reduce cost, improve quality and lead to innovation.