Main objective of this article is to explain the benefits of Access Control System. Access control systems make sure only authorised personnel are permitted to enter the business premises, therefore keeping strangers and undesirables out and about. In the fields of physical safety and information safety, access control would be the selective restriction of access to a place as well as other resource. The particular act of being able to view may mean consuming, entering, or making use of. Permission to access a resource is named authorization. Installing an access control system for a business premises has a great deal of benefits; the main people being security and comfort. It provides both equally staff control and security solutions.