This chapter focuses on the internal and external communications aspects. Internal communication is viewed as being vital for encouraging employee participation and is seen as being an essential ingredient for high performance project teams. External communication in a project environment has the objective of facilitating collaboration and cooperation with various stakeholders that are outside the formal structure of the organization. An internal communication strategy should not be viewed as being a purely Human Resource (HR) function. Senior management is very busy people and therefore has little time to think about or develop the appropriate internal communication approach that suits their particular project environment. There is a need to assess the project management's communication skills and decide which competencies need to be developed, how and when. The objective of the external communication process at this level is to seek collaboration from the client. The communication process is important because the contractors and suppliers.