Efficacy of the cloud computing technology in the management of communication and business processes of the companies

Trends of development and application of different classes of information systems in management according to the types of business processes were investigated in this article. A brief overview of current state of the use of cloud technology in the world and Ukraine was represented. Advantages of using model of "SaaS - Software as a service" was explained on the example of innovation international project "Bitrix 24", where the main objectives of CRM systems were realized combining with wide opportunities of coordination of communicative and business processes of modern companies. The project was translated into the majority European languages and uses tools of the social Intranet environment.