RentSyst - CRM for a car rental business Our mission is to provide maximum value to our customers through the design, development and implementation of the necessary and effective functionality that will be useful for your car rental business. In addition, all this is available and possible even in your smartphone! “Pocket” CRM system allows you to easily log into your account through your smartphone wherever you are. At any time you can monitor the entire fleet, view orders and analytics without getting distracted from other important matters.