Customer relationship management (CRM) systems are an essential part of businesses of all sizes. According to the Stair textbook, Principles of Information Systems, “CRM software automates and integrates sales, marketing, and service functions in an organization.” (p. 376) (Stair) The research identifies key features of CRM, compares two current software solutions that provide CRM, and recommends the best CRM for the case at hand, Houston Area Consulting Services (HACS) and their proposed access system remote and telecommunications (RATS) ). The two CRM systems examined and compared are Microsoft Dynamics CRM and Sugar CRM. Most customer relationship management (CRM) systems provide several key features:a. Electronic database to manage potential and existing customers through contacts, sales and advertising. Customer service tools for sales and support. Web-based option for communicating and accessing information. Multiple languages ​​for international business. Analyze customer information to increase sales and customer loyalty with rewards for loyal customers (Wikipedia.org) Microsoft (MS) Dynamics CRM offers office integration, collaboration, multilingual, web-accessible and mobile express. The application works only on Windows operating system platforms. MS Dynamics CRM integrates with MS Enterprise Resource Planning (ERP) Dynamics AX, GP, NAV or SL applications. The following features are promoted on the Microsoft Dynamics website:a. Sales Force Automation (Tracking & Logging) “Take advantage of a highly intuitive interface and built-in Microsoft Office features to increase time with customers, shorten sales cycles, increase close rates, and gain real-time insights. " (crm.dynamics.com, Sales...... middle of document...... MS Windows Operating System (Platform). MS Dynamics CRM offers all the features at an affordable price for a small business. Therefore, it is preferred to Sugar.Works similar CRM Citedcrm.dynamics.com Microsoft Dynamics CRM 2011.—. http://crm.dynamics.com/en-us/sales, 2011.Stair, Ralph and George Reynolds. “Principles of Information Systems ". Boston Ninth Edition: Course Technology, 2010. Guide 376-379.sugarcrm.com: SugarCRM Product Information and Resources. resources.Wikipedia.org. Customer Relationship Management. http://en.wikipedia.org /wiki/customer_relationship_management, February 24, 2011.wikipedia.org http://en.wikipedia.org/wiki/Microsoft_Dynamics_CRM#. Features, February 24, 2011.—. SugarCRM http://en.wikipedia.org/wiki/SugarCRM, February 23 2011.