Leadership style is one of the factors that help achieving job satisfaction and organizational goal. The aim of the present study was to investigate the relationship between leadership styles and job satisfaction among customer service employees in an Irish multinational company. For this purpose, a total of 60 employees (M=32, F= 28) in a multinational company in Ireland participated in the research. To data collection, all employees filled in Multifactor Leadership Questionnaire and job satisfaction Questionnaire. A significant positive relationship was found between job satisfaction and inspirational motivation transformational leadership. As well, a significant positive relationship was found between job satisfaction and contingent reward leadership. The results further indicated no significant difference in job satisfaction between Irish and other European or gender.