enterprise information system an enterprise information system eis is any kind of information system which improves the functions of enterprise business processes by integration this means typically offering high quality of service dealing with large volumes of data and capable of supporting some large and possibly complex organization or enterprise an eis must be able to be used by all parts and all levels of an enterprise the word enterprise can have various connotations frequently the term is used only to refer to very large organizations such as multinational companies or publicsector organizations however the term may be used to mean virtually anything by virtue of it having become the latest corporatespeak buzzword purpose enterprise information systems provide a technology platform that enables organizations to integrate and coordinate their business processes on a robust foundation an eis is currently used in conjunction with customer relationship management and supply chain management to automate business processes an enterprise information system provides a single system that is central to the organization that ensures information can be shared across all functional levels and management hierarchies an eis can be used to increase business productivity and reduce service cycles product development cycles and marketing life cycles financial value is not usually a direct outcome from the implementation of an enterprise information system design stage at the design stage the main characteristic of eis efficiency evaluation is the probability of timely delivery of various messages such as command service etc information systems information systems enterprise systems create a standard data structure and are invaluable in eliminating the problem of information fragmentation caused by multiple information systems within an organization an eis differentiates itself from legacy systems in that it is selftransactional selfhelping and adaptable to general and specialist conditions a typical enterprise information system would be housed in one or more data centers would run enterprise software and could include applications that typically cross organizational borders such as content management systems computing portal business portal executive information system management information system enterprise planning systems enterprise software 