1.0 IntroductionAccording to Miller (2009), “ROMI (Return on Marketing Investment) refers to the incremental profit achieved over a short-term period from measurable marketing activities such as sampling or campaigns advertising". In an effort to be successful in building their brands, marketers must use marketing metrics that serve as a measure to count their performance, i.e. measure which effective marketing strategies to use. This report includes the importance of marketing metrics and some brief definitions about Return on Marketing Investment (ROMI) of Nestlé Company.2.0 History and Background of Nestlé Nestlé was found in 1860 by Henry Nestlé, an expert pharmacist, who started to experiment with a few mixtures of cow's milk, wheat flour and sugar in order to develop a replacement source of neonatal nutrition for mothers who could not breastfeed (Nestlé Story). Henri Nestlé's aim was to look for a healthy and economical substitute for mothers who could not breastfeed their babies. The company's mission is to improve the well-being of newborns, their health and the resistance of children without breastfeeding. Henri Nestlé is an expert pharmacist who uses combinations of cow's milk, sugar and wheat flour to experiment. As a result he created a new product called Farine Lactee. The new formula saved the life of the first customer, a premature infant who could not accept breast milk or any available substitute. Since then, Farine Lactee Nestlé has been available in much of Europe within a few years (Nestlé History 2013). Apart from this, Nestlé portfolio also covers almost all sections of food and beverages, from baby food, cereals, health nutrition, bottled water, chilled products and frozen foods, chocolates... half of paper...besides that, they could invest more in food and beverages so that their product range is wider. Since Nestlé's mission is to care for the well-being of children, they should exploit the lands of poor countries to overcome hunger, thus maintaining their values ​​of serving society. Nestlé can also continue to research and develop, improve the nutritional quality of its products so that more children can benefit from them. 5.0 Conclusion In conclusion, marketing metrics are a very useful tool for determining performance and any specific area of ​​marketing. Nestlé is a country that has almost completed a decade and has survived several crises, Nestlé should continue to plan more to overcome any obstacles in the future and prepare for the lack of raw materials to increase its strength. The most important thing is to maintain the good qualities and values ​​to serve.