Today, Business Process Management is considered as one of the most important improvements approach in the exalted organizations, because the mission and value-adding organizations to their customers, is done through the processes. Whereas, the major wasted recourses of organizations, such as cost, time and motivation, occurred as a result of business processes failures, therefore, the deployment of effective business processes management can increase the indexes, such as efficiency and effectiveness in the organizations. International Systems Engineering and Automation Company (IRISA), is one of the leading companies in the fields of information technology and communication, which has always special attention to continuous improvement of business processes. In this research, the process of marketing and sales of IRISA company , have been analyzed, designed and measured , based on scientific cycle of processes management as follows: In this research, first, by including the information related to the strategic analysis of the IRISA Company, with regard to the role of marketing and sales processes for achieving the strategies, the process for redesigning was selected. Then, the current status of the process reviewed, and with using a benchmark reference model, the process has been redesigned. The outcomes of this stage are, the ID and the processes map. To ensure the successful deployment of the process, the risk analysis of the process execution will be done, until the necessary measures be considered for effective execution of the process, based on the results of the risk analysis. And finally, using last year's data compilation, selection of process criteria (indexes) were measured and has been compared to the amount targeted, until the processes management cycle for the marketing and sales processes are fully established in IRISA Company. According to the results of the research, marketing and sales process was selected as a key process. The measurement results show the level of process maturity of IRISA Company, the current process maturity is mainly in level two (there are bugs in process documentation and compliance requirements without monitoring and measurement and improvement) is located. By benchmarking processes analysis APQC showed all processes of this model, Except sub-packaging, are applicable to IRISA company. The Output modeling stage shows, marketing and sales process optimization processes for IRISA company includes six processes: 3.1 understand the market and customers and capabilities, 3.2 Codification of marketing strategies,3.3 codification of Strategy and program sales, 3.4 Management and implementation of marketing programs, 3.5 Develop and manage sales programs, 3.6 customer relationship management and the organization chart changes according to new processes, and also providing an information system to support the ongoing processes, are the most important and effective measures to achieved. Keywords: Business Process Management, marketing and sales process, process redesign, monitoring and measuring process indicators.