The article reveals the meaning of the concept of "communication", and shows the effectiveness of professional communication and the communication space of non-language specialists in higher education institutions. The experimental research (ascertainment stage) made it possible to find out the existing level of formation of professional communication of specialists of non-language specialties in institutions of higher education, to single out shortcomings in the formation of professional communication of specialists, to single out the main factors affecting the insufficient development of professional communication of specialists and to develop in institutions of higher education necessary ways to overcome the insufficient development of the formation of professional communication of non-language specialists. Diagnosing the communicative competence of future specialists in non-language majors in institutions of higher education was carried out and the structure of communicative competence was shown. At the formative stage of the experiment, to determine the actual level of formation of individual components of the communicative competence of future specialists, a diagnostic study was conducted using the diagnosis of the levels of formation of the components: cognitive-strategic, motivational-value, and activity-corrective. The rules of pedagogical communication for future specialists of non-language specialties have been developed.