The current study investigated the effectiveness of applying the Communicative Language Approach (CLA) to enhance speaking ability of business administration students in Delta University for Science and Technology. A quantitative method was applied by using pre- and post- test to measure improvement of students. The participants were 40 students of freshmen students, who studied "English1" course in the fall semester of the academic year 2017\2018. The participants were divided into two equal groups with twenty students each, Control Group (CG) and Experimental Group (EG). To find out the improvement of students‟ speaking ability the researcher used pre-posttest and t-test. A semi-structured questionnaire also was administered to measure students' attitude towards using CLA in studying English and their difficulties within the business context. The results indicated that t- test was 2.042 (significant at 0.05). This indicated that by applying Communicative Language Approach, the students' achievement has been improved. The results of students' questionnaire showed positive attitude towards using CLA for improving their speaking skills. The pedagogical implications of the study were presented