The main purpose of this study was to investigating effects of corporate social responsibility on sales performance in Arki natural mineral water bottling factory. Based on literature five CSR dimensions; community oriented responsibility, environment oriented responsibility, customer oriented responsibility and donation was selected as predictors of sales performance in Arki natural mineral water bottling factory and in order to achieve the objective of this study and answer the research questions, the researcher used descriptive and explanatory research designs. The researcher used data from primary and secondary source. Theprimary data was gathered through questioner from 162 employees of Arki natural mineral water bottling factory, Census technique was used for data collection. The secondary data was collected from web, books and published journals. The data was gathered through 5-point Likert scale and analyzed with the help of Statistical Package for Social Science (SPSS) version 20.The study adopted descriptive statistics. Further multiple regression analysis was conducted to test the relationship between dependent variable (sales performance) and independent variable (community oriented responsibility, environment oriented responsibility, customer oriented responsibility and donation).The finding of the study reveals all the stated CSR dimensions have a positive significant effect on sales performance and donation is the dominant CSR dimension which affects sales performance of Arki natural mineral water bottling factory. Thus, in order to sustain sales performance of Arki natural mineral water bottling factory management should work and adopt a different approach to CSR implementation through establishing CSR department and combining CSR activities with other strategies such as advertisement, sales promotion and public relations. Thus coordinated marketing will be important for successful outcomes in business operations, to attainment of goal and objective of company and for society at large.