The aim of this study is to investigate the relationship between the demographic characteristics, seniority and profession at workplace. Emotional Intelligence is an important factor in people’s lives in modern society. This type of intelligence, which is a means of achieving success in workplaces, was applied to employees of Telecommunication Company with an emotional intelligence test prepared according to five criteria determined by Goleman in 1998. Data was collected between February-May 2019 in Nicosia. The sample consists of 150 Turkish speaking adults. Statistical analysis of the data was conducted by T-test and correlation analysis in order to determine the effect of the 5 subscales of emotional Intelligence and demographic variables. The findings show that there is a statistically significant correlation between relationship management and in-service programs, between marital status and emotional control, between the participants’ motivation and emotional control attitudes and between the participants’ empathy and emotional control attitudes. As Emotional Intelligence becomes a wider concept, it will be understood and applied more and more in the works to be done.