Nowadays,considering of globalization,Institutional communication is changing in Togo.Corporate communication is the composition of several communication initiatives that seeks to promote the image of companies by improving relations between clients and partners.It is about external communication relative to market but also an internal communication that enables a beneficial and favorable social climate for good results.Our work is to show the impact of institutional communication in the construction sector.In carrying out this study,300people were selected in Togo to conduct this investigation in accordance with the new communication technology through both types;the importance of communication contributes to the achievement of common objectives in building public works.In this vision we highlight some key dements of the communication at the enterprise level:global communications through its issues,objectives and related problems,the communication program,methodological solutions and especially the possibilities of communication.By using the analysis,we are making some research about the communication factors which improve the image of construction companies,also explaining the interaction of business logic making general communication practices.